{"id":50,"date":"2021-02-10T14:25:35","date_gmt":"2021-02-10T14:25:35","guid":{"rendered":"https:\/\/dev.sourcecode.sk\/wsczkb\/?post_type=ht_kb&p=50"},"modified":"2021-08-19T14:51:55","modified_gmt":"2021-08-19T12:51:55","slug":"a-zaznamy","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.cz\/podpora\/kb\/a-zaznamy\/","title":{"rendered":"A z\u00e1znamy"},"content":{"rendered":"\n

DNS z\u00e1znam typu A<\/strong> slou\u017e\u00ed pro nastaven\u00ed konkr\u00e9tn\u00ed IP adresy, ze kter\u00e9 se m\u00e1 na\u010d\u00edtat obsah pro danou adresu (dom\u00e9nu nebo subdom\u00e9nu). Pro ka\u017edou subdom\u00e9nu je mo\u017en\u00e9 nastavit libovolnou IP adresu podle pot\u0159eby. IP adresu je nutn\u00e9 zadat ve form\u00e1tu IPv4 (nap\u0159. 37.9.168.19). Pro IP adresu v tvare IPv6 pou\u017eijte AAAA z\u00e1znam.<\/p>\n\n\n\n

Jak vypad\u00e1 DNS A z\u00e1znam<\/h2>\n\n\n\n
@  600  IN  A   37.9.175.13\n<\/pre>\n\n\n\n
Znak @ zna\u010d\u00ed, \u017ee A z\u00e1znam plat\u00ed pro hlavn\u00ed dom\u00e9nu. 600 je parametr TTL<\/strong> a ur\u010duje, na jak dlouho si mohou servery poskytovatel\u016f internetu zapamatovat dan\u00e9 nastaven\u00ed DNS. \u010cas je uveden\u00fd v sekund\u00e1ch. IN A<\/strong> definuje, \u017ee jde o A z\u00e1znam. Posledn\u00ed z\u00e1znam je IP adresa, kam DNS A sm\u011b\u0159uje.<\/p>\n\n\n\n
Zm\u011bna DNS A z\u00e1znamu<\/h2>\n\n\n\n
1. P\u0159ihlaste se do WebAdminu<\/a><\/strong>
2. Klikn\u011bte v seznamu slu\u017eeb na dom\u00e9nu
3. V lev\u00e9m menu vyberte polo\u017eku DNS<\/strong> a proklikn\u011bte se na z\u00e1lo\u017eku A<\/strong><\/p>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n
Po otev\u0159en\u00ed t\u00e9to sekce se V\u00e1m zobraz\u00ed tabulka s existuj\u00edc\u00edmi DNS A z\u00e1znamy.<\/strong> \u00daprava DNS A z\u00e1znam\u016f nab\u00edz\u00ed mo\u017enosti jako vytvo\u0159it nov\u00fd z\u00e1znam, upravit a nebo vymazat u\u017e existuj\u00edc\u00ed.<\/strong><\/p>\n\n\n\n
<\/div>\n\n\n\n
Formul\u00e1\u0159 pro upraven\u00ed A z\u00e1znamu<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n
  • Pole Pro adresu<\/strong> ponechejte pr\u00e1zdn\u00e9 v p\u0159\u00edpad\u011b nastaven\u00ed pro hlavn\u00ed dom\u00e9nu. Pokud chcete upravovat hlavn\u00ed dom\u00e9nu<\/strong> a subdom\u00e9ny<\/strong>, napi\u0161te znak hv\u011bzdy (wildcard) – *<\/li>
  • V p\u0159\u00edpad\u011b zm\u011bny IP adresy pro subdom\u00e9nu, napi\u0161te jej\u00ed n\u00e1zev. C\u00edlov\u00e1 IP je adresa serveru, ze kter\u00e9ho se m\u00e1 na\u010d\u00edtat obsah pro danou dom\u00e9nu\/subdom\u00e9nu <\/li>
  • Parametr TTL<\/strong> ur\u010duje, na jak dlouho si mohou servery poskytovatel\u016f internetu zapamatovat dan\u00e9 nastaven\u00ed. \u010cas je uveden\u00fd v sekund\u00e1ch. Do Pozn\u00e1mky<\/strong> m\u016f\u017eete napsat cokoliv, p\u0159\u00edpadn\u011b j\u00ed nechat pr\u00e1zdnou<\/li>
  • Po vypln\u011bn\u00ed formul\u00e1\u0159e Ulo\u017ete zm\u011bny<\/strong><\/li><\/ul>\n\n\n\n
    Zm\u011bna A z\u00e1znam\u016f na na\u0161em serveru se projev\u00ed do 15 minut. Pokud m\u011bn\u00edte IP adresu na extern\u00ed z\u00e1znam, zm\u011bna m\u016f\u017ee trvat a\u017e do 2 hodin.<\/p>\n\n\n\n
    <\/div>\n\n\n\n
    Smaz\u00e1n\u00ed A z\u00e1znamu<\/h2>\n\n\n\n
    Klikn\u011bte v tabulce vlevo na ozna\u010dova\u010d a ozna\u010dte po\u017eadovan\u00fd A z\u00e1znam (resp. v\u00edce z\u00e1znam\u016f) a n\u00e1sledn\u011b klikn\u011bte na Smazat<\/strong>. Pokud jste necht\u011bn\u011b smazali pot\u0159ebn\u00fd z\u00e1znam, m\u016f\u017eete ho obnovit v sekci Historie zm\u011bn<\/strong>. Sta\u010d\u00ed si v seznamu vyhledat danou zm\u011bnu a kliknout na obnovit. V\u0161echny DNS nastaven\u00ed se vr\u00e1t\u00ed do stavu v jak\u00e9m byly p\u0159ed zm\u011bnou A z\u00e1znamu.<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    <\/div>\n\n\n\n
    P\u0159\u00edklady<\/h2>\n\n\n\n
    Nastaven\u00ed A z\u00e1znamu pro dom\u00e9nu p\u0159i slu\u017eb\u011b Vlastn\u00ed webstr\u00e1nka<\/strong><\/p>\n\n\n\n
    Dom\u00e9na mojedomena.cz<\/em> m\u00e1 pomoc\u00ed A z\u00e1znamu p\u0159i\u0159azenou IP adresu 37.9.175.33<\/em>. To znamen\u00e1, \u017ee po zad\u00e1n\u00ed adresy mojedomena.cz se v prohl\u00ed\u017ee\u010di zobraz\u00ed obsah vytvo\u0159en\u00fd na slu\u017eb\u011b Vlastn\u00ed webstr\u00e1nka<\/strong>. Z\u00e1znam bude vypadat takto:<\/p>\n\n\n\n
    *.mojedomena.cz  600  IN  A   37.9.175.33<\/pre>\n\n\n\n
    Nastaven\u00edie A z\u00e1znamu pro subdom\u00e9nu, sm\u011b\u0159uj\u00edc\u00ed na WebMail<\/strong><\/p>\n\n\n\n
    Subdom\u00e9na mail.mojedomena.cz<\/em> m\u00e1 pomoc\u00ed A z\u00e1znamu p\u0159i\u0159azenou IP adresu 37.9.175.21<\/em>. To znamen\u00e1, \u017ee po zad\u00e1n\u00ed adresy mail.mojedomena.cz se v prohl\u00ed\u017ee\u010di zobraz\u00ed slu\u017eba pro pr\u00e1ci s maily – WebMail<\/strong>. Z\u00e1znam bude vypadat takto:<\/p>\n\n\n\n
    mail.mojedomena.cz  600  IN  A   37.9.175.21<\/pre>\n","protected":false},"excerpt":{"rendered":"
    DNS z\u00e1znam typu A slou\u017e\u00ed pro nastaven\u00ed konkr\u00e9tn\u00ed IP adresy, ze kter\u00e9 se m\u00e1 na\u010d\u00edtat obsah pro danou adresu (dom\u00e9nu nebo subdom\u00e9nu). Pro ka\u017edou subdom\u00e9nu je mo\u017en\u00e9 nastavit libovolnou IP adresu podle pot\u0159eby. IP adresu je nutn\u00e9 zadat ve form\u00e1tu IPv4 (nap\u0159. 37.9.168.19). Pro IP adresu v tvare IPv6 pou\u017eijte…<\/p>\n","protected":false},"author":3,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[12],"ht-kb-tag":[],"class_list":["post-50","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-dns-zaznamy"],"yoast_head":"\nA z\u00e1znamy - Websupport Centrum n\u00e1pov\u011bdy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.websupport.cz\/podpora\/kb\/a-zaznamy\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A z\u00e1znamy - Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"og:description\" content=\"DNS z\u00e1znam typu A slou\u017e\u00ed pro nastaven\u00ed konkr\u00e9tn\u00ed IP adresy, ze kter\u00e9 se m\u00e1 na\u010d\u00edtat obsah pro danou adresu (dom\u00e9nu nebo subdom\u00e9nu). Pro ka\u017edou subdom\u00e9nu je mo\u017en\u00e9 nastavit libovolnou IP adresu podle pot\u0159eby. IP adresu je nutn\u00e9 zadat ve form\u00e1tu IPv4 (nap\u0159. 37.9.168.19). 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