{"id":2313,"date":"2024-06-02T15:48:50","date_gmt":"2024-06-02T15:48:50","guid":{"rendered":"https:\/\/howtogeek.blog\/cs\/?p=2313"},"modified":"2024-06-02T15:48:50","modified_gmt":"2024-06-02T15:48:50","slug":"how-to-find-out-the-current-dns-server-you-are-using-cs","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/cs\/how-to-find-out-the-current-dns-server-you-are-using-cs\/","title":{"rendered":"Jak zjistit aktu\u00e1ln\u00ed DNS server, kter\u00fd pou\u017e\u00edv\u00e1te"},"content":{"rendered":"

T\u00e9m\u011b\u0159 ka\u017ed\u00fd dnes pou\u017e\u00edv\u00e1 internet. Ve skute\u010dnosti \u017eijeme na internetu v jin\u00e9m sv\u011bt\u011b. Pokud nav\u0161t\u011bvujete r\u016fzn\u00e9 webov\u00e9 str\u00e1nky, m\u016f\u017eete si b\u00fdt v\u011bdomi DNS (Domain Name System).<\/p>\n

Domain Name System, neboli DNS, je d\u016fle\u017eit\u00fd proces, kter\u00fd p\u0159i\u0159azuje n\u00e1zvy dom\u00e9n k jejich spr\u00e1vn\u00fdm IP adres\u00e1m. Je to velmi d\u016fle\u017eit\u00fd syst\u00e9m; s pomoc\u00ed DNS m\u016f\u017eeme v na\u0161em webov\u00e9m prohl\u00ed\u017ee\u010di vid\u011bt r\u016fzn\u00e9 webov\u00e9 str\u00e1nky.<\/p>\n

Co je DNS?<\/strong><\/span><\/h2>\n

Poj\u010fme si v\u011bci zjednodu\u0161it a pokusit se pochopit, co je DNS. Jednodu\u0161e \u0159e\u010deno, DNS je datab\u00e1ze skl\u00e1daj\u00edc\u00ed se z r\u016fzn\u00fdch dom\u00e9nov\u00fdch jmen a IP adres. Kdykoli u\u017eivatel zad\u00e1 n\u00e1zvy dom\u00e9n jako Google.com nebo Yahoo.com, servery DNS se pod\u00edvaj\u00ed na adresy IP spojen\u00e9 s dom\u00e9nami.<\/p>\n

Po sp\u00e1rov\u00e1n\u00ed s IP adresou okomentuje webov\u00fd server nav\u0161t\u011bvuj\u00edc\u00edho webu. Servery DNS v\u0161ak nebyly v\u017edy stabiln\u00ed, zejm\u00e9na ty, kter\u00e9 jim p\u0159id\u011blili poskytovatel\u00e9 internetov\u00fdch slu\u017eeb. To je nejpravd\u011bpodobn\u011bj\u0161\u00ed d\u016fvod chyb DNS, kter\u00e9 vid\u00edme p\u0159i proch\u00e1zen\u00ed r\u016fzn\u00fdch webov\u00fdch str\u00e1nek.<\/p>\n

A co vlastn\u00ed DNS?<\/strong><\/span><\/h2>\n

Pokud pou\u017e\u00edv\u00e1te v\u00fdchoz\u00ed servery DNS sv\u00e9ho poskytovatele internetov\u00fdch slu\u017eeb, budete pravd\u011bpodobn\u011b v pravideln\u00fdch intervalech \u010delit chyb\u00e1m souvisej\u00edc\u00edm s DNS. N\u011bkter\u00e9 b\u011b\u017en\u00e9 chyby DNS zahrnuj\u00ed DNS Lookup Failed, DNS Server Not Responding, DNS_Probe_Finished_Nxdomain atd.<\/p>\n

T\u00e9m\u011b\u0159 ka\u017ed\u00fd probl\u00e9m souvisej\u00edc\u00ed s DNS lze vy\u0159e\u0161it v\u00fdb\u011brem vlastn\u00edho DNS. Existuje mnoho ve\u0159ejn\u00fdch server\u016f DNS, kter\u00e9 m\u016f\u017eete pou\u017e\u00edt, jako je Google DNS, OpenDNS atd. Sd\u00edleli jsme tak\u00e9 podrobn\u00e9ho pr\u016fvodce p\u0159echodem na Google DNS, kter\u00fd m\u016f\u017eete zv\u00e1\u017eit.<\/p>\n

P\u0159ed p\u0159epnut\u00edm serveru DNS je v\u0161ak v\u017edy nejlep\u0161\u00ed poznamenat si aktu\u00e1ln\u00ed server DNS. N\u00ed\u017ee jsme tedy probrali n\u011bkolik metod, kter\u00e9 v\u00e1m pomohou zkontrolovat DNS, kter\u00e9 pou\u017e\u00edv\u00e1te.<\/p>\n

Jak\u00e9 DNS pou\u017e\u00edv\u00e1m?<\/strong><\/span><\/h2>\n

Existuje n\u011bkolik zp\u016fsob\u016f, jak zkontrolovat, jak\u00e9 DNS pou\u017e\u00edv\u00e1te. N\u00ed\u017ee uv\u00e1d\u00edme n\u011bkter\u00e9 z nejlep\u0161\u00edch metod, kter\u00e9 v\u00e1m pomohou zkontrolovat DNS syst\u00e9mu Windows. Ujist\u011bte se tedy, \u017ee pe\u010dliv\u011b n\u00e1sledujete pr\u016fvodce, proto\u017ee k nalezen\u00ed DNS budeme pou\u017e\u00edvat CMD.<\/p>\n

Zkontrolujte DNS v syst\u00e9mu Windows<\/strong><\/span><\/h3>\n

Chcete-li zkontrolovat server DNS, kter\u00fd pou\u017e\u00edv\u00e1te v syst\u00e9mu Windows, mus\u00edte pou\u017e\u00edt CMD. Klikn\u011bte prav\u00fdm tla\u010d\u00edtkem na tla\u010d\u00edtko Start a pot\u00e9 vyberte \u201eP\u0159\u00edkazov\u00fd \u0159\u00e1dek (Admin)\u201c<\/strong> .<\/p>\n

\"Vyberte<\/figure>\n

Nyn\u00ed na p\u0159\u00edkazov\u00e9m \u0159\u00e1dku mus\u00edte zadat n\u00e1sleduj\u00edc\u00ed p\u0159\u00edkaz.<\/p>\n

ipconfig \/all | findstr \/R \"DNS\\ Servers\"<\/code><\/strong><\/p>\n

\"Zadejte<\/figure>\n

Tento p\u0159\u00edkaz zobraz\u00ed seznam aktu\u00e1ln\u00edho serveru DNS, kter\u00fd pou\u017e\u00edv\u00e1te. Chcete-li zjistit server DNS v syst\u00e9mu Windows, m\u016f\u017eete tak\u00e9 pou\u017e\u00edt jinou metodu. Chcete-li to prov\u00e9st, mus\u00edte zadat p\u0159\u00edkaz uveden\u00fd n\u00ed\u017ee.<\/p>\n

nslookup google.com<\/code><\/strong><\/p>\n

\"Spus\u0165te<\/figure>\n

M\u00edsto Google.com m\u016f\u017eete pou\u017e\u00edt libovolnou dom\u00e9nu webov\u00fdch str\u00e1nek. P\u0159\u00edkaz vyp\u00ed\u0161e aktu\u00e1ln\u00ed DNS server. Toto jsou dva p\u0159\u00edkazy CMD, kter\u00e9 umo\u017e\u0148uj\u00ed zn\u00e1t DNS na po\u010d\u00edta\u010di se syst\u00e9mem Windows.<\/p>\n

Jak\u00e9 DNS pou\u017e\u00edv\u00e1m? Mac a Linux<\/strong><\/span><\/h3>\n

Na po\u010d\u00edta\u010d\u00edch se syst\u00e9mem Mac a Linux mus\u00edte zadat stejn\u00fd p\u0159\u00edkaz CMD, abyste v\u011bd\u011bli, jak\u00fd server DNS pou\u017e\u00edv\u00e1te. Jednodu\u0161e zadejte n\u00ed\u017ee uveden\u00fd p\u0159\u00edkaz a prove\u010fte nslookup na jak\u00e9koli webov\u00e9 str\u00e1nce.<\/p>\n

nslookup google.com<\/code><\/strong><\/p>\n

\"Zadejte<\/figure>\n

Op\u011bt plat\u00ed, \u017ee web Google.com m\u016f\u017eete nahradit libovoln\u00fdm webem podle sv\u00e9ho v\u00fdb\u011bru. Takto m\u016f\u017eete zkontrolovat server DNS na po\u010d\u00edta\u010d\u00edch Mac a Linux.<\/p>\n

Zkontrolujte server DNS v syst\u00e9mu Android<\/strong><\/span><\/h3>\n

Chcete-li zjistit, jak\u00fd server DNS v\u00e1\u0161 Android pou\u017e\u00edv\u00e1, m\u016f\u017eete pou\u017e\u00edt libovolnou aplikaci s\u00ed\u0165ov\u00e9ho skeneru v syst\u00e9mu Android. Krom\u011b toho m\u016f\u017eete pou\u017e\u00edvat bezplatn\u00e9 aplikace jako Network Info II<\/a> , kter\u00e9 nezobrazuj\u00ed \u017e\u00e1dn\u00e9 reklamy.<\/p>\n

\"Zkontrolujte<\/figure>\n

Na Network Info II se mus\u00edte pod\u00edvat na kartu WiFi a pot\u00e9 zkontrolovat polo\u017eky DNS1 a DNS2. Toto jsou adresy DNS, kter\u00e9 v\u00e1\u0161 telefon pou\u017e\u00edv\u00e1.<\/p>\n

Jak\u00e9 DNS pou\u017e\u00edv\u00e1m? iPhone<\/strong><\/span><\/h3>\n

Stejn\u011b jako Android m\u00e1 iOS mnoho aplikac\u00ed pro s\u00ed\u0165ov\u00e9 skenov\u00e1n\u00ed, kter\u00e9 v\u00e1m pomohou naj\u00edt server DNS. Jednou z obl\u00edben\u00fdch aplikac\u00ed s\u00ed\u0165ov\u00e9ho skeneru pro iOS je Network Analyzer<\/a> . Network Analyzer pro iOS poskytuje spoustu u\u017eite\u010dn\u00fdch informac\u00ed o va\u0161\u00ed WiFi s\u00edti.<\/p>\n

\"Najd\u011bte<\/figure>\n

V syst\u00e9mu iOS tedy m\u016f\u017eete pou\u017e\u00edt Network Analyzer a pot\u00e9 se pod\u00edvat na \u201eIP serveru DNS\u201c.<\/p>\n

Zkontrolujte DNS server routeru<\/strong><\/span><\/h3>\n

Pro ty, kte\u0159\u00ed nev\u011bd\u00ed, router pou\u017e\u00edv\u00e1 DNS Server, kter\u00fd p\u0159id\u011bluje ISP. To v\u0161ak lze zm\u011bnit podle pokyn\u016f uveden\u00fdch v tomto \u010dl\u00e1nku. Pokud chcete v\u011bd\u011bt, jak\u00fd DNS server v\u00e1\u0161 router pou\u017e\u00edv\u00e1, p\u0159ejd\u011bte na IP adresu routeru (192.168.1.1 nebo 192.168.0.1) a p\u0159ihlaste se pomoc\u00ed u\u017eivatelsk\u00e9ho jm\u00e9na a hesla<\/strong> .<\/p>\n

\"Zkontrolujte<\/figure>\n

Nyn\u00ed uvid\u00edte domovskou str\u00e1nku Router. V z\u00e1vislosti na re\u017eimu routeru mus\u00edte zkontrolovat kartu Bezdr\u00e1tov\u00e1 s\u00ed\u0165 nebo S\u00ed\u0165<\/strong> . Zde najdete mo\u017enosti pro z\u00e1znamy DNS 1 a DNS 2. Zde m\u016f\u017eete aktualizovat novou adresu DNS, pokud ji chcete zm\u011bnit.<\/p>\n

Nejlep\u0161\u00ed bezplatn\u00e9 ve\u0159ejn\u00e9 DNS servery<\/strong><\/span><\/h2>\n

V\u00e1\u0161 ISP v\u00e1m poskytuje v\u00fdchoz\u00ed DNS server, co\u017e \u010dasto vede k r\u016fzn\u00fdm webov\u00fdm chyb\u00e1m. Krom\u011b toho servery DNS p\u0159id\u011blen\u00e9 poskytovatelem internetov\u00fdch slu\u017eeb tak\u00e9 vedou k pomal\u00e9 rychlosti internetu.<\/p>\n

Pokud tedy chcete vy\u0161\u0161\u00ed rychlost a lep\u0161\u00ed zabezpe\u010den\u00ed, doporu\u010dujeme p\u0159ej\u00edt na ve\u0159ejn\u00e9 servery DNS. Existuje mnoho bezplatn\u00fdch ve\u0159ejn\u00fdch server\u016f DNS , kter\u00e9 poskytuj\u00ed lep\u0161\u00ed rychlost a zabezpe\u010den\u00ed.<\/strong><\/p>\n

N\u011bkter\u00e9 bezplatn\u00e9 ve\u0159ejn\u00e9 servery DNS mohou dokonce odblokovat blokovan\u00fd obsah na webu.<\/p>\n

Jak zm\u011bnit servery DNS na Windows a Android?<\/strong><\/span><\/h2>\n
\"Zm\u011b\u0148te<\/figure>\n

Pokud pou\u017e\u00edv\u00e1te opera\u010dn\u00ed syst\u00e9m Windows, p\u0159e\u010dt\u011bte si n\u00e1\u0161 \u010dl\u00e1nek \u2013 Jak zm\u011bnit v\u00fdchoz\u00ed DNS na Google DNS pro rychlej\u0161\u00ed internet.<\/p>\n

Pro u\u017eivatele Androidu doporu\u010dujeme tento \u010dl\u00e1nek: 10 nejlep\u0161\u00edch aplikac\u00ed pro zm\u011bnu DNS pro Android. V tomto \u010dl\u00e1nku jsme sd\u00edleli n\u011bkolik nejlep\u0161\u00edch aplikac\u00ed pro Android pro zm\u011bnu serveru DNS v syst\u00e9mu Android.<\/p>\n

Zde je n\u011bkolik jednoduch\u00fdch metod, jak zjistit server DNS pou\u017e\u00edvan\u00fd na va\u0161ich za\u0159\u00edzen\u00edch. Pokud pot\u0159ebujete dal\u0161\u00ed pomoc na toto t\u00e9ma, nev\u00e1hejte o tom s n\u00e1mi diskutovat v koment\u00e1\u0159\u00edch. A pokud v\u00e1m bude tento n\u00e1vod u\u017eite\u010dn\u00fd, nezapome\u0148te se o n\u011bj pod\u011blit s ostatn\u00edmi.<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u00e9m\u011b\u0159 ka\u017ed\u00fd dnes pou\u017e\u00edv\u00e1 internet. Ve skute\u010dnosti \u017eijeme na internetu v jin\u00e9m sv\u011bt\u011b. Pokud nav\u0161t\u011bvujete r\u016fzn\u00e9 webov\u00e9 str\u00e1nky, m\u016f\u017eete si b\u00fdt v\u011bdomi DNS (Domain Name System). Domain Name System, neboli DNS, je d\u016fle\u017eit\u00fd proces, kter\u00fd p\u0159i\u0159azuje n\u00e1zvy dom\u00e9n k jejich spr\u00e1vn\u00fdm IP adres\u00e1m. Je to velmi d\u016fle\u017eit\u00fd syst\u00e9m; s pomoc\u00ed DNS m\u016f\u017eeme v na\u0161em webov\u00e9m […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[48],"class_list":["post-2313","post","type-post","status-publish","format-standard","hentry","category-how-to","tag-tips"],"acf":[],"_links":{"self":[{"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/posts\/2313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/comments?post=2313"}],"version-history":[{"count":1,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/posts\/2313\/revisions"}],"predecessor-version":[{"id":2314,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/posts\/2313\/revisions\/2314"}],"wp:attachment":[{"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/media?parent=2313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/categories?post=2313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.blog\/cs\/wp-json\/wp\/v2\/tags?post=2313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}