{"id":58,"date":"2021-02-10T15:14:48","date_gmt":"2021-02-10T15:14:48","guid":{"rendered":"https:\/\/dev.sourcecode.sk\/wsczkb\/?post_type=ht_kb&p=58"},"modified":"2024-04-25T10:06:02","modified_gmt":"2024-04-25T08:06:02","slug":"mx-zaznamy","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.cz\/podpora\/kb\/mx-zaznamy\/","title":{"rendered":"MX z\u00e1znamy"},"content":{"rendered":"\n

MX\u00a0z\u00e1znamy<\/strong> (mail exchanger)<\/em> slou\u017e\u00ed na ur\u010den\u00ed <\/strong>serveru, kter\u00fd m\u00e1 zpracov\u00e1vat e-maily<\/strong> pro Va\u0161\u00ed dom\u00e9nu. MX z\u00e1znam\u016f pro jednu dom\u00e9nu m\u016f\u017eete zadat hned n\u011bkolik a e-maily budou sm\u011b\u0159ovan\u00e9 podle priority t\u011bchto z\u00e1znam\u016f. Hodnota MX z\u00e1znamu se zad\u00e1v\u00e1 v textov\u00e9 podob\u011b (nap\u0159. mx10.websupport.cz), ne jako IP adresa.<\/p>\n\n\n\n

\n\n\n\n
<\/div>\n\n\n\n

Jak vypadaj\u00ed MX z\u00e1znamy<\/h2>\n\n\n\n
@  600  IN  MX   10    mx10.active24.cz.\n@  600  IN  MX   100   mx20.active24.cz.<\/pre>\n\n\n\n
Znak @ zna\u010d\u00ed, \u017ee MX z\u00e1znam plat\u00ed pro hlavn\u00ed dom\u00e9nu a v\u0161echny jej\u00ed subdom\u00e9ny. 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 MX<\/strong> definuje, \u017ee jde o MX z\u00e1znam. \u010c\u00edseln\u00e1 hodnota 10 a 100 ur\u010duje prioritu z\u00e1znamu. Posledn\u00ed z\u00e1znam je adresa MX z\u00e1znamu, kter\u00fd sm\u011b\u0159uje maily na ur\u010dit\u00fd server.<\/p>\n\n\n\n
<\/div>\n\n\n\n
N\u00e1sleduj\u00edc\u00ed sekce pojedn\u00e1v\u00e1 o zm\u011bn\u011b MX z\u00e1znamu v na\u0161\u00ed administraci. Pokud si p\u0159ejete nastavit MX z\u00e1znamy u dom\u00e9ny, kter\u00e1 je vedena u jin\u00e9ho registr\u00e1tora, m\u016f\u017eete se o nastaven\u00ed do\u010d\u00edst v tomto \u010dl\u00e1nku<\/a>.<\/p>\n\n\n\n
Zm\u011bna MX z\u00e1znam\u016f<\/h2>\n\n\n\n
1.Prihlaste se do WebAdminu<\/a><\/strong>
2. Klikn\u011bte v seznamu Slu\u017eeb<\/strong> na Va\u0161\u00ed dom\u00e9nu
3. V lev\u00e9m menu vyberte polo\u017eku DNS<\/strong> a proklikn\u011bte se na z\u00e1lo\u017eku MX<\/strong><\/p>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
Po otev\u0159en\u00ed t\u00e9to sekce se V\u00e1m zobraz\u00ed tabulka s existuj\u00edc\u00edmi DNS MX z\u00e1znamy<\/strong>. \u00daprava DNS MX z\u00e1znam\u016f nab\u00edz\u00ed mo\u017enosti jak vytvo\u0159it nov\u00fd z\u00e1znam, upravit a nebo vymazat u\u017e existuj\u00edc\u00ed.<\/p>\n\n\n\n
Zm\u011bna MX z\u00e1znam\u016f na extern\u00ed z\u00e1znam m\u016f\u017ee trvat a\u017e 2 hodiny.<\/p>\n\n\n\n
<\/div>\n\n\n\n
Formul\u00e1\u0159 pro \u00fapravu MX z\u00e1znamu<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n
    \n
  • V poli Pro adresu<\/strong> ponechejte pr\u00e1zdn\u00fd znak – @<\/li>\n\n\n\n
  • Mailov\u00fd server<\/strong> – adresa serveru, kter\u00fd zpracov\u00e1v\u00e1 e-maily pro dom\u00e9nu. Uv\u00e1d\u00ed se textov\u011b, ne IP adresou<\/li>\n\n\n\n
  • Priorita<\/strong> – pokud je pro dom\u00e9nu uvedeno v\u00edce MX z\u00e1znam\u016f, p\u0159ednost dostane ten s men\u0161\u00edm \u010d\u00edslem v atributu priorita. Pokud ten neodpov\u00ed, vyzkou\u0161\u00ed se dal\u0161\u00ed<\/li>\n\n\n\n
  • 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>\n\n\n\n
  • Po vypln\u011bn\u00ed formul\u00e1\u0159e Ulo\u017ete zm\u011bny<\/strong><\/li>\n<\/ul>\n\n\n\n
    <\/div>\n\n\n\n
    Smaz\u00e1n\u00ed MX z\u00e1znamu<\/h2>\n\n\n\n
    Klikn\u011bte v tabulce vlevo na ozna\u010dova\u010d a ozna\u010dte po\u017eadovan\u00fd MX 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 MX z\u00e1znamu.<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    <\/div>\n\n\n\n
    P\u0159\u00edklad<\/h2>\n\n\n\n
    Sm\u011b\u0159ov\u00e1n\u00ed MX na Google<\/strong><\/p>\n\n\n\n
    Pro dom\u00e9nu mojedomena.cz<\/em> m\u00e1te vytvo\u0159en\u00e9 MX z\u00e1znamy sm\u011b\u0159uj\u00edc\u00ed na Google Mail<\/strong>. V tom p\u0159\u00edpad\u011b budou v\u0161echny e-maily zaslan\u00e9 na neco@mojedomena.cz<\/em> sm\u011b\u0159ovan\u00e9 na po\u0161tovn\u00ed server spole\u010dnosti Google, kter\u00fd je d\u00e1le zpracuje. Z\u00e1znam bude vypadat takto:<\/p>\n\n\n\n
    @  600  IN  MX   1    ASPMX.L.GOOGLE.COM. \n@  600  IN  MX   5    ALT1.ASPMX.L.GOOGLE.COM. \n@  600  IN  MX   5    ALT2.ASPMX.L.GOOGLE.COM. \n@  600  IN  MX   10   ALT3.ASPMX.L.GOOGLE.COM. \n@  600  IN  MX   10   ALT4.ASPMX.L.GOOGLE.COM.<\/pre>\n","protected":false},"excerpt":{"rendered":"
    MX\u00a0z\u00e1znamy (mail exchanger) slou\u017e\u00ed na ur\u010den\u00ed serveru, kter\u00fd m\u00e1 zpracov\u00e1vat e-maily pro Va\u0161\u00ed dom\u00e9nu. MX z\u00e1znam\u016f pro jednu dom\u00e9nu m\u016f\u017eete zadat hned n\u011bkolik a e-maily budou sm\u011b\u0159ovan\u00e9 podle priority t\u011bchto z\u00e1znam\u016f. Hodnota MX z\u00e1znamu se zad\u00e1v\u00e1 v textov\u00e9 podob\u011b (nap\u0159. mx10.websupport.cz), ne jako IP adresa. Jak vypadaj\u00ed MX z\u00e1znamy @…<\/p>\n","protected":false},"author":3,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[12],"ht-kb-tag":[],"class_list":["post-58","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-dns-zaznamy"],"yoast_head":"\nMX 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\/mx-zaznamy\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MX z\u00e1znamy - Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"og:description\" content=\"MX\u00a0z\u00e1znamy (mail exchanger) slou\u017e\u00ed na ur\u010den\u00ed serveru, kter\u00fd m\u00e1 zpracov\u00e1vat e-maily pro Va\u0161\u00ed dom\u00e9nu. MX z\u00e1znam\u016f pro jednu dom\u00e9nu m\u016f\u017eete zadat hned n\u011bkolik a e-maily budou sm\u011b\u0159ovan\u00e9 podle priority t\u011bchto z\u00e1znam\u016f. Hodnota MX z\u00e1znamu se zad\u00e1v\u00e1 v textov\u00e9 podob\u011b (nap\u0159. mx10.websupport.cz), ne jako IP adresa. 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