{"id":1929,"date":"2023-10-03T04:56:22","date_gmt":"2023-10-03T04:56:22","guid":{"rendered":"https:\/\/appdigi.net\/?p=1929"},"modified":"2026-10-22T20:13:50","modified_gmt":"2026-10-22T20:13:50","slug":"7-nejlepsich-serveru-dns-k-pouziti-v-brazilii-v-roce-2023","status":"publish","type":"post","link":"https:\/\/appdigi.net\/cs\/7-melhores-servidores-dns-para-usar-no-brasil-em-2023\/","title":{"rendered":"DNS servery v Braz\u00edlii: Kter\u00e9 pou\u017e\u00edvat, jak je zm\u011bnit v mobiln\u00edm telefonu a kdy se to nevyplat\u00ed"},"content":{"rendered":"<p class=\"wp-block-paragraph\">P\u0159em\u00fd\u0161leli jste n\u011bkdy, jak je mo\u017en\u00e9 se dostat na webovou str\u00e1nku zad\u00e1n\u00edm snadno zapamatovateln\u00e9ho n\u00e1zvu m\u00edsto posloupnosti \u010d\u00edsel? Osoba, kter\u00e1 tento p\u0159eklad prov\u00e1d\u00ed, je... <strong>DNS<\/strong> \u2014 syst\u00e9m dom\u00e9nov\u00fdch jmen. Je to jedna z nejm\u00e9n\u011b viditeln\u00fdch \u010d\u00e1st\u00ed internetu a z\u00e1rove\u0148 jedna z m\u00e1la, kterou m\u016f\u017eete zm\u011bnit b\u011bhem dvou minut, zdarma a poc\u00edtit rozd\u00edl.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tato p\u0159\u00edru\u010dka vysv\u011btluje, k \u010demu slou\u017e\u00ed DNS, co se m\u011bn\u00ed p\u0159i zm\u011bn\u011b server\u016f a \u2013 co\u017e je stejn\u011b d\u016fle\u017eit\u00e9 \u2013 <strong>co se nem\u011bn\u00ed<\/strong>, Proto\u017ee koluje spousta dezinformac\u00ed. Pak p\u0159ich\u00e1zej\u00ed nejzn\u00e1m\u011bj\u0161\u00ed poskytovatel\u00e9 ve\u0159ejn\u00fdch slu\u017eeb s jejich adresami, co ka\u017ed\u00fd z nich slibuje z hlediska ochrany soukrom\u00ed, podrobn\u00fd postup p\u0159echodu na Android a iPhone, brazilsk\u00fd pohled na tuto problematiku a p\u0159\u00edpady, kdy je nejlep\u0161\u00edm rozhodnut\u00edm pr\u00e1v\u011b... <strong>\u017e\u00e1dn\u00fd<\/strong> nahradit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je DNS v praxi?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u010d\u00edta\u010de nekomunikuj\u00ed jm\u00e9ny, ale \u010d\u00edseln\u00fdmi adresami. Kdy\u017e zad\u00e1te webovou adresu, va\u0161e za\u0159\u00edzen\u00ed se zept\u00e1... <strong>rekurzivn\u00ed DNS server<\/strong> Jak\u00e9 \u010d\u00edslo odpov\u00edd\u00e1 tomuto jm\u00e9nu? Tento server vyhled\u00e1 odpov\u011b\u010f, vr\u00e1t\u00ed ji a teprve pot\u00e9 se spojen\u00ed zah\u00e1j\u00ed. Je to tak rychl\u00fd krok, \u017ee si ho nikdo nev\u0161imne \u2013 ale na ka\u017ed\u00e9 str\u00e1nce se to d\u011bje des\u00edtkykr\u00e1t, proto\u017ee modern\u00ed str\u00e1nka na\u010d\u00edt\u00e1 obsah z mnoha r\u016fzn\u00fdch dom\u00e9n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ve v\u00fdchoz\u00edm nastaven\u00ed tento \u00fakol prov\u00e1d\u00ed server va\u0161eho poskytovatele internetov\u00fdch slu\u017eeb, kter\u00fd se automaticky nakonfiguruje p\u0159i p\u0159ipojen\u00ed. Zm\u011bna DNS jednodu\u0161e znamen\u00e1 v\u00fdb\u011br jin\u00e9ho poskytovatele pro tento dotaz. Nic v\u00edc \u2013 proto je zm\u011bna vratn\u00e1 a s n\u00edzk\u00fdm rizikem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co se zm\u011bn\u00ed p\u0159i zm\u011bn\u011b DNS server\u016f \u2013 a co ne.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>To se nem\u011bn\u00ed.<\/strong> Rychlost va\u0161eho p\u0159ipojen\u00ed. Pokud m\u00e1te 100 Mb\/s, budete m\u00edt 100 Mb\/s i nad\u00e1le. DNS nep\u0159en\u00e1\u0161\u00ed obsah webov\u00fdch str\u00e1nek: pouze odpov\u00edd\u00e1 na po\u010d\u00e1te\u010dn\u00ed dotaz. \u017d\u00e1dn\u00fd DNS server nezvy\u0161uje va\u0161i smluvn\u011b stanovenou \u0161\u00ed\u0159ku p\u00e1sma a kdokoli, kdo slibuje \u201crychlej\u0161\u00ed internet\u201d zm\u011bnou va\u0161eho DNS, zna\u010dn\u011b p\u0159eh\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159em\u011bna<\/strong> Doba \u0159e\u0161en\u00ed \u2013 milisekundy mezi ot\u00e1zkou a odpov\u011bd\u00ed. Proto\u017ee se tento krok na str\u00e1nce opakuje mnohokr\u00e1t, rychl\u00fd resolver vytv\u00e1\u0159\u00ed pocit, \u017ee se webov\u00e9 str\u00e1nky \u201cna\u010d\u00edtaj\u00ed rychleji\u201d, zejm\u00e9na p\u0159i prvn\u00edm p\u0159\u00edstupu ke ka\u017ed\u00e9 dom\u00e9n\u011b. Je to skute\u010dn\u00fd a m\u00edrn\u00fd zisk, m\u011b\u0159en\u00fd v milisekund\u00e1ch, nikoli megabitech.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tak\u00e9 se m\u011bn\u00ed.<\/strong> Kdo v\u00ed, kter\u00e9 webov\u00e9 str\u00e1nky nav\u0161t\u011bvujete, pokud ned\u016fv\u011b\u0159ujete v\u00fdchoz\u00edmu resolveru; kter\u00e9 dom\u00e9ny jsou blokov\u00e1ny v p\u0159\u00edpad\u011b server\u016f s filtrov\u00e1n\u00edm; a jak\u00e1 je spolehlivost, kdy\u017e je DNS poskytovatele nestabiln\u00ed \u2013 klasick\u00fd p\u0159\u00edznak situace, kdy \u201cinternet funguje, ale webov\u00e9 str\u00e1nky se nena\u010d\u00edtaj\u00ed\u201d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mohlo by se to zhor\u0161it.<\/strong> Jedna v\u011bc, a t\u00e9m\u011b\u0159 nikdo se o n\u00ed nezmi\u0148uje: v\u00fdb\u011br serveru s obsahem, kter\u00fd je v\u00e1m nejbl\u00ed\u017ee. To je vysv\u011btleno v \u010d\u00e1sti o Braz\u00edlii d\u00e1le a je to hlavn\u00ed d\u016fvod, pro\u010d n\u011bkte\u0159\u00ed lid\u00e9 maj\u00ed pocit, \u017ee se v\u011bci po p\u0159echodu \u201czhor\u0161ily\u201d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zn\u00e1m\u00e9 ve\u0159ejn\u00e9 DNS servery<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Cloudflare<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Adresy:<\/strong> 1.1.1.1 a 1.0.0.1. <strong>\u0160ifrovan\u00fd n\u00e1zev DNS:<\/strong> jedna.jedna.jedna<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Obvykle je to nejrychlej\u0161\u00ed pro v\u011bt\u0161inu m\u011b\u0159en\u00ed a nejsnadn\u011bji se zapamatov\u00e1v\u00e1. Spole\u010dnost tvrd\u00ed, \u017ee neukl\u00e1d\u00e1 adresu osoby, kter\u00e1 soubor nahl\u00ed\u017e\u00ed, na disk a \u017ee provozn\u00ed z\u00e1znamy v kr\u00e1tk\u00e9 dob\u011b ma\u017ee, p\u0159i\u010dem\u017e extern\u00ed audity jsou zve\u0159ejn\u011bny. Existuj\u00ed dv\u011b varianty s filtry: <strong>1.1.1.2<\/strong>, kter\u00fd blokuje \u0161kodliv\u00e9 dom\u00e9ny a <strong>1.1.1.3<\/strong>, kter\u00fd tak\u00e9 blokuje obsah pro dosp\u011bl\u00e9 \u2013 u\u017eite\u010dn\u00fd jako lehk\u00e1 rodi\u010dovsk\u00e1 kontrola.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ve\u0159ejn\u00fd DNS od Googlu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Adresy:<\/strong> 8.8.8.8 a 8.8.4.4. <strong>\u0160ifrovan\u00fd n\u00e1zev DNS:<\/strong> dns.google<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je to nejstar\u0161\u00ed a nejpou\u017e\u00edvan\u011bj\u0161\u00ed ve\u0159ejn\u00fd server na sv\u011bt\u011b s obrovskou infrastrukturou a stabilitou, kterou je t\u011b\u017ek\u00e9 p\u0159ekonat. Spole\u010dnost uv\u00e1d\u00ed, \u017ee uchov\u00e1v\u00e1 do\u010dasn\u00e9 z\u00e1znamy po kr\u00e1tkou dobu a trval\u00e9 z\u00e1znamy v anonymizovan\u00e9 podob\u011b, ani\u017e by propojovala dotaz s va\u0161\u00edm \u00fa\u010dtem. Nefiltruje obsah: reaguje t\u00edm, co existuje.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u010cty\u0159\u00faheln\u00edk9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Adresy:<\/strong> 9.9.9.9 a 149.112.112.112. <strong>\u0160ifrovan\u00fd n\u00e1zev DNS:<\/strong> dns.quad9.net<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Provozovatelem je neziskov\u00e1 nadace se s\u00eddlem ve \u0160v\u00fdcarsku a jeho hlavn\u00edm \u00fa\u010delem je blokov\u00e1n\u00ed dom\u00e9n spojen\u00fdch s podvody a \u0161kodliv\u00fdmi programy pomoc\u00ed seznam\u016f hrozeb. \u00dadajn\u011b neshroma\u017e\u010fuje data identifikuj\u00edc\u00ed u\u017eivatele. Je to mo\u017enost pro ty, kte\u0159\u00ed cht\u011bj\u00ed vrstvu zabezpe\u010den\u00ed, ani\u017e by museli cokoli instalovat.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">OpenDNS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Adresy:<\/strong> 208.67.222.222 a 208.67.220.220<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Slu\u017eba od spole\u010dnosti Cisco, veter\u00e1n v t\u00e9to kategorii, je zn\u00e1m\u00e1 sv\u00fdmi mo\u017enostmi filtrov\u00e1n\u00ed podle kategori\u00ed prost\u0159ednictv\u00edm registrace. Existuje varianta p\u0159ipraven\u00e1 pro dom\u00e1c\u00ed pou\u017eit\u00ed, <strong>Rodinn\u00fd \u0161t\u00edt<\/strong> (208.67.222.123 a 208.67.220.123), kter\u00fd blokuje obsah pro dosp\u011bl\u00e9 bez jak\u00e9koli konfigurace. Je to typick\u00e1 volba pro ty, kte\u0159\u00ed cht\u011bj\u00ed filtrov\u00e1n\u00ed na sv\u00e9m dom\u00e1c\u00edm routeru.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DNS AdGuardu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Adresy:<\/strong> 94.140.14.14 a 94.140.15.15. <strong>\u0160ifrovan\u00fd n\u00e1zev DNS:<\/strong> dns.adguard-dns.com<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Blokuje reklamn\u00ed a sledovac\u00ed dom\u00e9ny na \u00farovni rozli\u0161en\u00ed, co\u017e funguje i v r\u00e1mci aplikac\u00ed, nejen v prohl\u00ed\u017ee\u010di. Vedlej\u0161\u00ed efekt je dob\u0159e zn\u00e1m\u00fd: n\u011bkdy webov\u00e1 str\u00e1nka nebo aplikace sel\u017ee, proto\u017ee je z\u00e1visl\u00e1 na blokovan\u00e9 dom\u00e9n\u011b. Ne\u017e za\u010dnete s testov\u00e1n\u00edm, je dobr\u00e9 to v\u011bd\u011bt \u2013 a nezapome\u0148te, \u017ee bezplatn\u00e9 weby, v\u010detn\u011b t\u00e9to, jsou podporov\u00e1ny reklamou.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/appdigi.net\/wp-content\/uploads\/2023\/10\/i588771.jpeg\" alt=\"Konfigurace DNS server\u016f v mobiln\u00edm telefonu\" class=\"wp-image-1930\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0160ifrovan\u00fd DNS: Co jsou DoH a DoT?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Existuje detail, kter\u00fd mnoho lid\u00ed p\u0159ekvap\u00ed: i p\u0159i proch\u00e1zen\u00ed webov\u00fdch str\u00e1nek s ikonou visac\u00edho z\u00e1mku <strong>tradi\u010dn\u00ed vyhled\u00e1v\u00e1n\u00ed DNS je otev\u0159en\u00e9<\/strong>. Kdokoli stoj\u00ed v cest\u011b \u2013 poskytovatel, vlastn\u00edk ve\u0159ejn\u00e9 Wi-Fi s\u00edt\u011b \u2013 nevid\u00ed obsah str\u00e1nek, ale vid\u00ed seznam dom\u00e9n, kter\u00e9 jste si vy\u017e\u00e1dali. Visac\u00ed z\u00e1mek chr\u00e1n\u00ed to, co na webu d\u011bl\u00e1te; nechr\u00e1n\u00ed ot\u00e1zku, kter\u00e1 web otev\u0159ela.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e1v\u011b proto se to m\u011blo vy\u0159e\u0161it <strong>DNS p\u0159es HTTPS (DoH)<\/strong> a <strong>DNS p\u0159es TLS (DoT)<\/strong>. Tyto dva \u0161ifruj\u00ed dotaz mezi va\u0161\u00edm za\u0159\u00edzen\u00edm a vybran\u00fdm resolverem. V syst\u00e9mu Android se tato funkce zobrazuje jako <strong>Priv\u00e1tn\u00ed DNS<\/strong> a pou\u017e\u00edv\u00e1 DoT \u2013 proto si o n\u011bj \u017e\u00e1d\u00e1. <em>jm\u00e9no<\/em> Je to \u010d\u00edslo serveru, ne \u010d\u00edslo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stoj\u00ed to za to? Ve ve\u0159ejn\u00e9 s\u00edti ano, bezpochyby. Doma jde o d\u016fv\u011bru: p\u0159estanete zobrazovat sv\u00e9 dotazy poskytovateli a za\u010dnete je zobrazovat oper\u00e1torovi resolveru. Nejde o absolutn\u00ed soukrom\u00ed \u2013 jde o to, komu d\u016fv\u011b\u0159ovat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak zm\u011bnit DNS v syst\u00e9mu Android<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>OTEV\u0158ENO <strong>Nastaven\u00ed &gt; S\u00ed\u0165 a internet<\/strong> (na n\u011bkter\u00fdch za\u0159\u00edzen\u00edch, <strong>P\u0159ipojen\u00ed<\/strong>).<\/li>\n<li>Vyhled\u00e1v\u00e1n\u00ed <strong>Priv\u00e1tn\u00ed DNS<\/strong>. Najdete ho v \u010d\u00e1sti \u201cDal\u0161\u00ed nastaven\u00ed p\u0159ipojen\u00ed\u201d.<\/li>\n<li>V\u00fdb\u011br <strong>N\u00e1zev hostitele poskytovatele priv\u00e1tn\u00edho DNS<\/strong>.<\/li>\n<li>Zadejte n\u00e1zev vybran\u00e9 slu\u017eby: <code>jedna.jedna.jedna<\/code>, <code>dns.google<\/code>, <code>dns.quad9.net<\/code> nebo <code>dns.adguard-dns.com<\/code>.<\/li>\n<li>Ulo\u017ete a otestujte otev\u0159en\u00edm n\u011bkolika webov\u00fdch str\u00e1nek.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Velk\u00e1 v\u00fdhoda tohoto p\u0159\u00edstupu: priv\u00e1tn\u00ed DNS je u\u017eite\u010dn\u00fd pro <strong>Wi-Fi a mobiln\u00ed data z\u00e1rove\u0148<\/strong>, Dotaz bude za\u0161ifrov\u00e1n. Chcete-li akci vr\u00e1tit zp\u011bt, vra\u0165te se na stejnou obrazovku a zvolte mo\u017enost \u201cAutomaticky\u201d. Pokud po zm\u011bn\u011b p\u0159estane fungovat konkr\u00e9tn\u00ed s\u00ed\u0165 Wi-Fi \u2013 typick\u00fdm p\u0159\u00edpadem je p\u0159ihla\u0161ovac\u00ed port\u00e1l ve\u0159ejn\u00e9 s\u00edt\u011b \u2013 jednodu\u0161e ji do\u010dasn\u011b vypn\u011bte.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak zm\u011bnit DNS na iPhonu<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>OTEV\u0158ENO <strong>Nastaven\u00ed &gt; Wi-Fi<\/strong>.<\/li>\n<li>Klepn\u011bte na ikonu informac\u00ed (i) vedle p\u0159ipojen\u00e9 s\u00edt\u011b.<\/li>\n<li>Jdi na <strong>Konfigurace DNS<\/strong> a vybrat <strong>Manu\u00e1l<\/strong>.<\/li>\n<li>Odeberte st\u00e1vaj\u00edc\u00ed servery a p\u0159idejte po\u017eadovan\u00e9 adresy, nap\u0159\u00edklad 1.1.1.1 a 1.0.0.1.<\/li>\n<li>Klepn\u011bte na <strong>Ulo\u017eit<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Dv\u011b d\u016fle\u017eit\u00e1 pozorov\u00e1n\u00ed. Zaprv\u00e9: tato konfigurace je platn\u00e1. <strong>pouze pro danou Wi-Fi s\u00ed\u0165<\/strong> \u2014 V jin\u00e9 s\u00edti je nutn\u00e9 to zopakovat. Za druh\u00e9: aby iPhone fungoval i na mobiln\u00edch datech a v \u0161ifrovan\u00e9 podob\u011b, vy\u017eaduje konfigura\u010dn\u00ed profil nebo ofici\u00e1ln\u00ed aplikaci samotn\u00e9 slu\u017eby DNS, kter\u00e1 tento profil automaticky nainstaluje. Profily instalujte pouze z d\u016fv\u011bryhodn\u00fdch zdroj\u016f: ty \u0159\u00edd\u00ed ve\u0161ker\u00e9 p\u0159eklady jmen v za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdm\u011bna na routeru se vyplat\u00ed v\u00edce.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud je c\u00edlem, aby fungoval pro celou dom\u00e1cnost \u2013 televizi, konzoli, po\u010d\u00edta\u010de, n\u00e1v\u0161t\u011bvn\u00edky \u2013 spr\u00e1vn\u00fdm m\u00edstem k jeho nalezen\u00ed je router. Cesta se li\u0161\u00ed podle modelu, ale obvykle se nach\u00e1z\u00ed v sekci \u201cWAN\u201d, \u201cInternet\u201d nebo \u201cLAN\/DHCP\u201d v poli pro prim\u00e1rn\u00ed a sekund\u00e1rn\u00ed DNS servery. Jakmile je zm\u011bna provedena, v\u0161echna za\u0159\u00edzen\u00ed budou nov\u00fd server pou\u017e\u00edvat bez individu\u00e1ln\u00ed konfigurace.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dv\u011b v\u011bci, kter\u00e9 je t\u0159eba poznamenat: n\u011bkter\u00e9 routery poskytovan\u00e9 poskytovateli internetov\u00fdch slu\u017eeb toto nastaven\u00ed zm\u011bnit neumo\u017e\u0148uj\u00ed a filtr, kter\u00fd zde nakonfigurujete, nap\u0159\u00edklad obsah pro dosp\u011bl\u00e9, se pou\u017eije pouze ve va\u0161\u00ed s\u00edti \u2013 v s\u00edti 4G se telefon vr\u00e1t\u00ed k pou\u017e\u00edv\u00e1n\u00ed DNS oper\u00e1tora. Ne\u017e cokoli zm\u011bn\u00edte, zapi\u0161te si starou konfiguraci.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Brazilsk\u00e1 perspektiva: kdy se nevyplat\u00ed p\u0159ech\u00e1zet<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zde je \u010d\u00e1st, kter\u00e1 chyb\u00ed t\u00e9m\u011b\u0159 v ka\u017ed\u00e9m textu na toto t\u00e9ma. Velk\u00e9 videoplatformy, hern\u00ed platformy a platformy soci\u00e1ln\u00edch m\u00e9di\u00ed udr\u017euj\u00ed <strong>servery pro ukl\u00e1d\u00e1n\u00ed do mezipam\u011bti u brazilsk\u00fdch oper\u00e1tor\u016f<\/strong> A co se t\u00fd\u010de v\u00fdm\u011bnn\u00fdch bod\u016f provozu v zemi \u2013 ten v S\u00e3o Paulu je jeden z nejv\u011bt\u0161\u00edch na sv\u011bt\u011b. To znamen\u00e1, \u017ee video, kter\u00e9 sledujete, \u010dasto nepoch\u00e1z\u00ed ze zahrani\u010d\u00ed: poch\u00e1z\u00ed ze serveru vzd\u00e1len\u00e9ho n\u011bkolik kilometr\u016f od v\u00e1s, v r\u00e1mci vlastn\u00ed s\u00edt\u011b va\u0161eho poskytovatele.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Odpov\u011b\u010f DNS ur\u010duje, na kter\u00fd z t\u011bchto server\u016f budete odesl\u00e1ni. N\u011bkter\u00e9 ve\u0159ejn\u00e9 resolvery odes\u00edlaj\u00ed \u010d\u00e1st va\u0161\u00ed s\u00ed\u0165ov\u00e9 adresy, aby platforma mohla vybrat nejbli\u017e\u0161\u00ed server; jin\u00e9 ji neodes\u00edlaj\u00ed kv\u016fli z\u00e1sad\u00e1m ochrany osobn\u00edch \u00fadaj\u016f \u2013 a v takov\u00e9m p\u0159\u00edpad\u011b m\u016f\u017ee platforma vyb\u00edrat s men\u0161\u00ed p\u0159esnost\u00ed. Praktick\u00fd v\u00fdsledek: u n\u011bkter\u00fdch kombinac\u00ed poskytovatel\u016f a slu\u017eeb, <strong>Zm\u011bna DNS zhor\u0161uje rychlost videa a stahov\u00e1n\u00ed.<\/strong>, i kdy\u017e se rozli\u0161en\u00ed jmen zrychl\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jin\u00e9 p\u0159\u00edpady, kdy je lep\u0161\u00ed dr\u017eet se standardu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Firemn\u00ed, \u0161koln\u00ed nebo univerzitn\u00ed s\u00ed\u0165.<\/strong> Intern\u00ed n\u00e1zvy existuj\u00ed pouze ve vlastn\u00edm DNS syst\u00e9mu s\u00edt\u011b. Jejich zm\u011bna naru\u0161\u00ed p\u0159\u00edstup k intern\u00edm syst\u00e9m\u016fm.<\/li>\n<li><strong>Wi-Fi s p\u0159ihla\u0161ovac\u00ed obrazovkou.<\/strong> Leti\u0161t\u011b, hotel, kav\u00e1rna: port\u00e1l se pro zobrazen\u00ed spol\u00e9h\u00e1 na m\u00edstn\u00ed DNS.<\/li>\n<li><strong>Filtrujte obsah doma.<\/strong> Pokud jste si na routeru nastavili rodi\u010dovskou kontrolu pomoc\u00ed DNS, pokud nech\u00e1te d\u00edt\u011b zm\u011bnit DNS v telefonu, filtr se obejde \u2013 a je dobr\u00e9 v\u011bd\u011bt, \u017ee se jedn\u00e1 o jeden z nejb\u011b\u017en\u011bj\u0161\u00edch zp\u016fsob\u016f, jak ho obej\u00edt.<\/li>\n<li><strong>VPN povolena.<\/strong> VPN obvykle vynucuj\u00ed vlastn\u00ed DNS; konfigurace jin\u00e9ho serveru nav\u00edc m\u016f\u017ee v\u00e9st ke konflikt\u016fm a n\u011bkdy i k \u00fanik\u016fm dotaz\u016f.<\/li>\n<li><strong>V\u0161echno funguje dob\u0159e.<\/strong> Pokud se str\u00e1nky na\u010d\u00edtaj\u00ed rychle a nic se nezasekne, zlep\u0161en\u00ed bude nepost\u0159ehnuteln\u00e9.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Za zm\u00ednku stoj\u00ed tak\u00e9 b\u011b\u017en\u00e1 praxe: v Braz\u00edlii blokov\u00e1n\u00ed webov\u00fdch str\u00e1nek na\u0159\u00edzen\u00e9 soudn\u00edm p\u0159\u00edkazem prov\u00e1d\u011bj\u00ed poskytovatel\u00e9 internetov\u00fdch slu\u017eeb a zm\u011bna DNS n\u011bkdy toto blokov\u00e1n\u00ed obch\u00e1z\u00ed. Obejit\u00ed DNS nelegalizuje to, co soudn\u00ed p\u0159\u00edkaz zablokoval \u2013 odpov\u011bdnost za p\u0159\u00edstup z\u016fst\u00e1v\u00e1 na u\u017eivateli.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak pozn\u00e1m, jestli to st\u00e1lo za to?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Porovnejte fotografie p\u0159ed a po po\u0159\u00edzen\u00e9 na stejn\u00e9m m\u00edst\u011b a ve stejn\u00e9m \u010dase.<\/strong> Test proveden\u00fd na dom\u00e1c\u00ed Wi-Fi a porovnan\u00fd s jin\u00fdm testem proveden\u00fdm na 4G nic nedokazuje.<\/li>\n<li><strong>Zm\u011b\u0159te, co pou\u017e\u00edv\u00e1te.<\/strong> Otev\u0159ete p\u011bt webov\u00fdch str\u00e1nek, kter\u00e9 nav\u0161t\u011bvujete nej\u010dast\u011bji, s vymazanou mezipam\u011bt\u00ed prohl\u00ed\u017ee\u010de a zjist\u011bte, zda je rozd\u00edl znateln\u00fd.<\/li>\n<li><strong>Otestujte rychlost stahov\u00e1n\u00ed, nejen rychlost prohl\u00ed\u017een\u00ed.<\/strong> Zde se projevuje vliv v\u00fdb\u011bru obsahov\u00e9ho serveru.<\/li>\n<li><strong>Po\u010dkejte t\u00fdden, ne\u017e se rozhodnete.<\/strong> Prvn\u00ed dojem rychlosti v prvn\u00ed minut\u011b klame.<\/li>\n<li><strong>V\u0161imn\u011bte si star\u00e9 konfigurace.<\/strong> Aby se \u010dlov\u011bk vr\u00e1til bez bolesti hlavy. T\u00e9m\u011b\u0159 ve v\u0161ech p\u0159\u00edpadech probl\u00e9m vy\u0159e\u0161\u00ed \u201cAutomatika\u201d.<\/li>\n<\/ul>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Jak zm\u011bnit DNS ve Windows a macOS<\/h2>\n\n<p>\u010cl\u00e1nek se ji\u017e zab\u00fdval mobiln\u00edmi telefony a routery, ale ti, kte\u0159\u00ed tr\u00e1v\u00ed den u po\u010d\u00edta\u010d\u016f, z\u00edskaj\u00ed stejnou v\u00fdhodu po dvou minut\u00e1ch nastaven\u00ed \u2013 a zm\u011bna se t\u00fdk\u00e1 pouze dan\u00e9ho po\u010d\u00edta\u010de, tak\u017ee je skv\u011bl\u00fd pro testov\u00e1n\u00ed p\u0159edt\u00edm, ne\u017e se za\u010dnete tr\u00e1pit s celou s\u00edt\u00ed.<\/p>\n\n<p><strong>Ve Windows<\/strong>, V aktu\u00e1ln\u00edch verz\u00edch je cesta: Nastaven\u00ed, S\u00ed\u0165 a internet, klepn\u011bte na pou\u017e\u00edvan\u00e9 p\u0159ipojen\u00ed (Wi-Fi nebo Ethernet), vyhledejte p\u0159i\u0159azen\u00ed DNS serveru a zvolte Upravit. Zm\u011b\u0148te nastaven\u00ed z Automaticky na Ru\u010dn\u011b, povolte IPv4 a vypl\u0148te preferovan\u00fd a alternativn\u00ed server. V nejnov\u011bj\u0161\u00edch verz\u00edch je k dispozici tak\u00e9 pole \u0160ifrov\u00e1n\u00ed DNS, kter\u00e9 povoluje \u0161ifrovan\u00e9 dotazy, pokud vybran\u00fd server nab\u00edz\u00ed podporu.<\/p>\n\n<p><strong>V syst\u00e9mu macOS<\/strong>, Otev\u0159ete Nastaven\u00ed syst\u00e9mu, p\u0159ejd\u011bte do S\u00ed\u0165, vyberte aktivn\u00ed p\u0159ipojen\u00ed, p\u0159ejd\u011bte do Podrobnosti a pot\u00e9 na kartu DNS. Pomoc\u00ed tla\u010d\u00edtka plus p\u0159idejte po\u017eadovan\u00e9 adresy a odeberte ty, kter\u00e9 m\u00e1te u sv\u00e9ho poskytovatele. Potvr\u010fte a pou\u017eijte.<\/p>\n\n<p>V obou syst\u00e9mech si p\u0159edem poznamenejte nastaven\u00ed. Obecn\u011b se m\u016f\u017eete jednodu\u0161e vr\u00e1tit na Automatick\u00e9 nastaven\u00ed a vr\u00e1tit je zp\u011bt, ale na pracovn\u00edm po\u010d\u00edta\u010di tam m\u016f\u017ee b\u00fdt zaznamen\u00e1na intern\u00ed konfigurace serveru, na kterou si pozd\u011bji nevzpomenete.<\/p>\n\n\n\n<h2>Kdy\u017e probl\u00e9m nen\u00ed v DNS: t\u0159\u00edminutov\u00e1 diagn\u00f3za.<\/h2>\n\n<p>V\u00fdm\u011bna serveru se stala prvn\u00edm receptem na jak\u00e9koli zpomalen\u00ed a v\u011bt\u0161inou je vin\u00edkem n\u011bco jin\u00e9ho. Tato sekvence odli\u0161uje jeden p\u0159\u00edpad od druh\u00e9ho bez nutnosti instalace \u010dehokoli:<\/p>\n\n<ol>\n<li><strong>Je to jen jedna webov\u00e1 str\u00e1nka, nebo jsou zahrnuty v\u0161echny?<\/strong> Pokud se neotev\u0159e pouze jedna adresa a zbytek funguje, probl\u00e9m je s webovou str\u00e1nkou, nikoli s jej\u00edm p\u0159ekladem n\u00e1zv\u016f.<\/li>\n<li><strong>Funguje to i p\u0159es mobiln\u00ed data?<\/strong> Vypn\u011bte Wi-Fi v telefonu a otestujte to. Pokud se otev\u0159e pomoc\u00ed mobiln\u00edch dat, probl\u00e9m je ve va\u0161\u00ed m\u00edstn\u00ed s\u00edti nebo u va\u0161eho poskytovatele internetu.<\/li>\n<li><strong>M\u00e1 jin\u00e9 za\u0159\u00edzen\u00ed ve stejn\u00e9 s\u00edti stejn\u00fd p\u0159\u00edznak?<\/strong> Pokud sel\u017ee pouze jedno za\u0159\u00edzen\u00ed, nejedn\u00e1 se o dom\u00e1c\u00ed syst\u00e9m DNS, ale o dan\u00e9 konkr\u00e9tn\u00ed za\u0159\u00edzen\u00ed.<\/li>\n<li><strong>Vyma\u017ete mezipam\u011b\u0165 n\u00e1zv\u016f.<\/strong> Syst\u00e9m si po ur\u010ditou dobu ukl\u00e1d\u00e1 star\u00e9 odpov\u011bdi. Ve Windows to \u0159e\u0161\u00ed p\u0159\u00edkaz DNS cache clear; macOS m\u00e1 ekvivalent. Restartov\u00e1n\u00ed za\u0159\u00edzen\u00ed m\u00e1 podobn\u00fd \u00fa\u010dinek.<\/li>\n<li><strong>Restartujte router.<\/strong> Odpojen\u00ed za\u0159\u00edzen\u00ed na t\u0159icet sekund vy\u0159e\u0161\u00ed trapnou \u0159adu probl\u00e9m\u016f s dom\u00e1c\u00ed s\u00edt\u00ed.<\/li>\n<li><strong>Zkuste druh\u00fd prohl\u00ed\u017ee\u010d.<\/strong> Roz\u0161\u00ed\u0159en\u00ed, blok\u00e1tory a nastaven\u00ed zabezpe\u010den\u00e9ho DNS v samotn\u00e9m prohl\u00ed\u017ee\u010di zp\u016fsobuj\u00ed p\u0159\u00edznaky shodn\u00e9 s p\u0159\u00edznaky vadn\u00e9ho resolveru.<\/li>\n<\/ol>\n\n<p>Pokud po tom v\u0161em z\u016fstane rychlost na v\u0161ech za\u0159\u00edzen\u00edch a webov\u00fdch str\u00e1nk\u00e1ch n\u00edzk\u00e1, probl\u00e9m je pravd\u011bpodobn\u011b ve va\u0161em internetov\u00e9m p\u0159ipojen\u00ed \u2013 a \u017e\u00e1dn\u00fd nameserver to nevy\u0159e\u0161\u00ed.<\/p>\n\n\n\n<h2>Chytr\u00e9 televize, konzole a za\u0159\u00edzen\u00ed, kter\u00e1 v\u00e1m nedaj\u00ed na v\u00fdb\u011br.<\/h2>\n\n<p>Televizory, hern\u00ed konzole, streamovac\u00ed za\u0159\u00edzen\u00ed a hlasov\u00ed asistenti se tak\u00e9 spol\u00e9haj\u00ed na rozli\u0161en\u00ed n\u00e1zv\u016f a t\u00e9m\u011b\u0159 \u017e\u00e1dn\u00fd z nich nenab\u00edz\u00ed slu\u0161nou obrazovku pro jeho konfiguraci. N\u011bkter\u00e9 umo\u017e\u0148uj\u00ed ru\u010dn\u011b zadat prim\u00e1rn\u00ed a sekund\u00e1rn\u00ed server spolu s adresou a maskou b\u011bhem nastaven\u00ed s\u00edt\u011b \u2013 co\u017e v\u00e1s nut\u00ed ru\u010dn\u011b p\u0159i\u0159adit za\u0159\u00edzen\u00ed pevnou adresu a v\u011bci komplikuje.<\/p>\n\n<p>Pro tyto p\u0159\u00edpady je praktick\u00fdm \u0159e\u0161en\u00edm router: po konfiguraci se nov\u00fd server vztahuje na v\u0161echny, kte\u0159\u00ed se p\u0159ipojuj\u00ed, bez nutnosti individu\u00e1ln\u00ed konfigura\u010dn\u00ed obrazovky. Je v\u0161ak t\u0159eba upozornit na konkr\u00e9tn\u00ed situaci: streamovac\u00ed a hern\u00ed za\u0159\u00edzen\u00ed jsou pr\u00e1v\u011b ta, kter\u00e1 nejv\u00edce t\u011b\u017e\u00ed z mezipam\u011b\u0165ov\u00fdch server\u016f brazilsk\u00fdch poskytovatel\u016f internetu. Pokud se po zm\u011bn\u011b video za\u010dne zamrzat nebo se stahov\u00e1n\u00ed aktualizac\u00ed her zpomal\u00ed, je to prvn\u00ed podez\u0159el\u00fd probl\u00e9m \u2013 a nejlep\u0161\u00edm \u0159e\u0161en\u00edm je obvykle p\u0159epnut\u00ed zp\u011bt na server poskytovatele pouze pro tato za\u0159\u00edzen\u00ed.<\/p>\n\n<p>Existuj\u00ed tak\u00e9 tac\u00ed, kte\u0159\u00ed konfiguraci ignoruj\u00ed: n\u011bkter\u00e1 za\u0159\u00edzen\u00ed jsou dod\u00e1v\u00e1na s p\u0159edinstalovan\u00fdmi pevn\u00fdmi servery a jednodu\u0161e nepou\u017e\u00edvaj\u00ed to, co router indikuje. Nejde o konfigura\u010dn\u00ed chybu, ale o rozhodnut\u00ed v\u00fdrobce.<\/p>\n\n\n\n<h2>Ot\u00e1zky, kter\u00e9 vyvst\u00e1vaj\u00ed po v\u00fdm\u011bn\u011b<\/h2>\n\n<h3>Zm\u011bnil jsem server a nic se nezm\u011bnilo. Funguje to?<\/h3>\n<p>Star\u0161\u00ed odpov\u011bdi se ukl\u00e1daj\u00ed do mezipam\u011bti po dobu definovanou ka\u017edou dom\u00e9nou, tak\u017ee zm\u011bna nen\u00ed okam\u017eit\u00e1. Restartov\u00e1n\u00ed za\u0159\u00edzen\u00ed proces urychl\u00ed. Tak\u00e9 se vyplat\u00ed zkontrolovat, zda prohl\u00ed\u017ee\u010d nepou\u017e\u00edv\u00e1 vlastn\u00ed konfiguraci zabezpe\u010den\u00e9ho DNS, kter\u00e1 obch\u00e1z\u00ed konfiguraci syst\u00e9mu.<\/p>\n\n<h3>Mohu pou\u017e\u00edvat servery od r\u016fzn\u00fdch spole\u010dnost\u00ed jako prim\u00e1rn\u00ed a sekund\u00e1rn\u00ed servery?<\/h3>\n<p>Je to mo\u017en\u00e9, ale syst\u00e9m mezi nimi nep\u0159ep\u00edn\u00e1 p\u0159edv\u00eddateln\u011b a vy nakonec nev\u00edte, kter\u00e1 z nich reagovala. Pokud chcete m\u00edt specifick\u00e9 filtry nebo ochranu soukrom\u00ed, pou\u017eijte dvojici adres ze stejn\u00e9 slu\u017eby.<\/p>\n\n<h3>Zapnul jsem priv\u00e1tn\u00ed DNS a pracovn\u00ed Wi-Fi p\u0159estala fungovat.<\/h3>\n<p>Firemn\u00ed s\u00edt\u011b se \u010dasto spol\u00e9haj\u00ed na intern\u00ed resolver pro n\u00e1zvy, kter\u00e9 existuj\u00ed pouze v r\u00e1mci s\u00edt\u011b, a n\u011bkter\u00e9 blokuj\u00ed \u0161ifrovan\u00e9 dotazy zven\u010d\u00ed. V t\u011bchto p\u0159\u00edpadech je nejlep\u0161\u00ed ponechat ho zapnut\u00fd automaticky, kdy\u017e jste k dan\u00e9 s\u00edti p\u0159ipojeni.<\/p>\n\n<h3>Vyplat\u00ed se placen\u00fd DNS server?<\/h3>\n<p>D\u00e1v\u00e1 to smysl pouze tehdy, kdy\u017e chcete to, co bezplatn\u00e1 verze nenab\u00edz\u00ed: p\u0159izp\u016fsoben\u00e9 seznamy blokovan\u00fdch adres, protokol dotaz\u016f va\u0161\u00ed s\u00edt\u011b a pravidla pro ka\u017ed\u00fd profil. Co se t\u00fd\u010de rychlosti a z\u00e1kladn\u00edho soukrom\u00ed, zn\u00e1m\u00e9 bezplatn\u00e9 mo\u017enosti nab\u00edzej\u00ed tot\u00e9\u017e.<\/p>\n\n\n\n\n<h2>\u010ct\u011bte tak\u00e9<\/h2>\n<ul>\n<li><a href=\"https:\/\/appdigi.net\/cs\/aplikace-ktere-zvysi-hlasitost-vaseho-telefonu\/\">Aplikace pro zv\u00fd\u0161en\u00ed hlasitosti telefonu<\/a><\/li>\n<li><a href=\"https:\/\/appdigi.net\/cs\/nejlepsi-online-chatovaci-aplikace-pro-navazovani-novych-pratelstvi\/\">Jak si naj\u00edt nov\u00e9 p\u0159\u00e1tele na mobiln\u00edm telefonu: Typy aplikac\u00ed a jak je bezpe\u010dn\u011b pou\u017e\u00edvat<\/a><\/li>\n<li><a href=\"https:\/\/appdigi.net\/cs\/ultrazvuk-bez-nutnosti-opustit-domov-nejlepsi-aplikace-soucasnosti\/\">P\u0159enosn\u00fd ultrazvuk: Pro\u010d v\u00e1\u0161 mobiln\u00ed telefon nedok\u00e1\u017ee prov\u00e9st vy\u0161et\u0159en\u00ed a co aplikace zaznamen\u00e1v\u00e1<\/a><\/li>\n<li><a href=\"https:\/\/appdigi.net\/cs\/pamet-plna-vyhlasovani-3-aplikaci-k-vycisteni-telefonu\/\">Pln\u00e1 pam\u011b\u0165 v mobiln\u00edm telefonu: Podrobn\u00fd n\u00e1vod k uvoln\u011bn\u00ed m\u00edsta na Androidu a iPhonu<\/a><\/li>\n<li><a href=\"https:\/\/appdigi.net\/cs\/aplikace-ke-sledovani-tv-zdarma-na-mobilu\/\">Sledov\u00e1n\u00ed bezplatn\u00e9 televize na mobiln\u00edm telefonu: Leg\u00e1ln\u00ed a riskantn\u00ed mo\u017enosti<\/a><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">B\u011b\u017en\u00e9 ot\u00e1zky<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Zvy\u0161uje zm\u011bna DNS rychlost internetu?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ne. Smluvn\u00ed \u0161\u00ed\u0159ka p\u00e1sma z\u016fst\u00e1v\u00e1 stejn\u00e1. M\u011bn\u00ed se doba rozli\u0161en\u00ed n\u00e1zv\u016f, m\u011b\u0159en\u00e1 v milisekund\u00e1ch, co\u017e vytv\u00e1\u0159\u00ed dojem rychlej\u0161\u00edho na\u010d\u00edt\u00e1n\u00ed str\u00e1nek p\u0159i prvn\u00edm p\u0159\u00edstupu ke ka\u017ed\u00e9 dom\u00e9n\u011b. V n\u011bkter\u00fdch p\u0159\u00edpadech tato zm\u011bna dokonce zhor\u0161uje v\u00fdb\u011br nejbli\u017e\u0161\u00edho obsahov\u00e9ho serveru.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Je bezpe\u010dn\u00e9 pou\u017e\u00edvat ve\u0159ejn\u00fd DNS server?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ano, pou\u017e\u00edvejte hlavn\u00ed, zn\u00e1m\u00e9 slu\u017eby. Bu\u010fte opatrn\u00ed s adresami nalezen\u00fdmi na f\u00f3rech a v n\u00e1hodn\u00fdch seznamech: \u0161kodliv\u00fd resolver m\u016f\u017ee vr\u00e1tit nespr\u00e1vnou adresu legitimn\u00edho webu a p\u0159esm\u011brovat v\u00e1s na fale\u0161nou str\u00e1nku. Pou\u017e\u00edvejte pouze zaveden\u00e9 slu\u017eby s publikovan\u00fdmi z\u00e1sadami.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kter\u00fd DNS server je nejrychlej\u0161\u00ed?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Z\u00e1le\u017e\u00ed na tom, kde se nach\u00e1z\u00edte a jak\u00e9ho poskytovatele pou\u017e\u00edv\u00e1te \u2013 neexistuje univerz\u00e1ln\u00ed odpov\u011b\u010f. Poctiv\u00fd zp\u016fsob, jak to zjistit, je otestovat dva nebo t\u0159i poskytovatele na va\u0161em vlastn\u00edm p\u0159ipojen\u00ed sou\u010dasn\u011b a porovnat je.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Skr\u00fdv\u00e1 DNS historii prohl\u00ed\u017een\u00ed p\u0159ed m\u00fdm poskytovatelem internetov\u00fdch slu\u017eeb?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pouze pokud je \u0161ifrov\u00e1no (DoH nebo DoT), a i tehdy jen \u010d\u00e1ste\u010dn\u011b: poskytovatel p\u0159estane vid\u011bt dotazy, ale nad\u00e1le vid\u00ed s\u00ed\u0165ov\u00e9 adresy, ke kter\u00fdm se p\u0159ipojujete. DNS nen\u00ed VPN a neanonymizuje prohl\u00ed\u017een\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak to m\u016f\u017eu vr\u00e1tit zp\u011bt, pokud se vyskytne probl\u00e9m?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V syst\u00e9mu Android nastavte priv\u00e1tn\u00ed DNS na \u201cAutomaticky\u201d. V syst\u00e9mu iPhone nastavte DNS na \u201cAutomaticky\u201d. Na routeru obnovte zaznamenan\u00e9 hodnoty nebo je nechte pr\u00e1zdn\u00e9 a pou\u017eijte hodnoty od sv\u00e9ho poskytovatele. Zm\u011bna je zcela vratn\u00e1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pot\u0159ebuji jin\u00fd DNS server pro Wi-Fi a mobiln\u00ed data?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V syst\u00e9mu Android ne: soukrom\u00fd DNS se vztahuje na ob\u011b p\u0159ipojen\u00ed. Na iPhonu funguje ru\u010dn\u00ed konfigurace pouze p\u0159es s\u00edt\u011b Wi-Fi \u2013 pro zahrnut\u00ed mobiln\u00edch dat pot\u0159ebujete konfigura\u010dn\u00ed profil nebo ofici\u00e1ln\u00ed aplikaci vybran\u00e9 slu\u017eby.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Blokuje DNS reklamy a viry?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u011bkter\u00e9 servery blokuj\u00ed zn\u00e1m\u00e9 reklamn\u00ed, sledovac\u00ed nebo podvodn\u00e9 dom\u00e9ny a funguje to i v r\u00e1mci aplikac\u00ed. Nenahrazuje to antivirov\u00fd software ani selsk\u00fd rozum: nov\u00e1 dom\u00e9na, kter\u00e1 je\u0161t\u011b nen\u00ed uvedena v seznamu, obvykle projde norm\u00e1ln\u011b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zm\u011bna DNS server\u016f je jednou z nejjednodu\u0161\u0161\u00edch a nejvratn\u011bj\u0161\u00edch dostupn\u00fdch \u00faprav a m\u016f\u017ee p\u0159in\u00e9st t\u0159i konkr\u00e9tn\u00ed v\u011bci: m\u00edrn\u011b rychlej\u0161\u00ed rozpozn\u00e1v\u00e1n\u00ed jmen, vrstvu ochrany p\u0159ed \u0161kodliv\u00fdmi dom\u00e9nami a v\u011bt\u0161\u00ed soukrom\u00ed ohledn\u011b va\u0161eho poskytovatele, pokud pou\u017e\u00edv\u00e1te \u0161ifrovan\u00fd DNS. Co v\u0161ak nep\u0159in\u00e1\u0161\u00ed, je zv\u00fd\u0161en\u00e1 rychlost p\u0159ipojen\u00ed \u2013 a je dobr\u00e9 si to uv\u011bdomovat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud chcete hotov\u00e9 \u0159e\u0161en\u00ed: v syst\u00e9mu Android povolte priv\u00e1tn\u00ed DNS s n\u00e1zvem v\u00e1mi zvolen\u00e9 slu\u017eby, kter\u00e1 bude v\u0161e \u0161ifrovat a bude fungovat jak pro Wi-Fi, tak pro mobiln\u00ed data. D\u00e1v\u00e1te p\u0159ednost zabezpe\u010den\u00ed nade v\u0161e? Zvolte Quad9. Chcete nejrychlej\u0161\u00ed ve v\u011bt\u0161in\u011b m\u011b\u0159en\u00ed? Cloudflare. Chcete maxim\u00e1ln\u00ed stabilitu? Google. Chcete filtr pro v\u00e1\u0161 domov? OpenDNS FamilyShield nebo varianta 1.1.1.3, p\u0159\u00edmo na va\u0161em routeru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A pokud se videa po t\u00fddnu za\u010dnou na\u010d\u00edtat do vyrovn\u00e1vac\u00ed pam\u011bti v\u00edce ne\u017e d\u0159\u00edve, u\u017e v\u00edte pro\u010d: je to probl\u00e9m s mezipam\u011b\u0165ov\u00fdmi servery brazilsk\u00fdch poskytovatel\u016f internetu. V tomto sc\u00e9n\u00e1\u0159i nen\u00ed p\u0159echod zp\u011bt na \u201cAutomatick\u00e9\u201d por\u00e1\u017ekou \u2013 je to spr\u00e1vn\u00e1 volba.<\/p>","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea j\u00e1 se perguntou como \u00e9 poss\u00edvel acessar um site digitando um nome f\u00e1cil de lembrar em vez de uma sequ\u00eancia de n\u00fameros? Quem faz\u2026<\/p>","protected":false},"author":1,"featured_media":1930,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_revidia_rewards_active":"","_mc_subtitle":"","footnotes":""},"categories":[36],"tags":[],"class_list":["post-1929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-utilidades"],"_links":{"self":[{"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/posts\/1929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/comments?post=1929"}],"version-history":[{"count":6,"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/posts\/1929\/revisions"}],"predecessor-version":[{"id":67768,"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/posts\/1929\/revisions\/67768"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/media\/1930"}],"wp:attachment":[{"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/media?parent=1929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/categories?post=1929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/appdigi.net\/cs\/wp-json\/wp\/v2\/tags?post=1929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}