{"id":74823,"date":"2010-01-21T14:00:00","date_gmt":"2010-01-21T13:00:00","guid":{"rendered":"https:\/\/blog.wedos.cz\/?p=74823"},"modified":"2021-08-11T14:04:12","modified_gmt":"2021-08-11T12:04:12","slug":"predstaveni-dns-systemu","status":"publish","type":"post","link":"https:\/\/blog.wedos.com\/cs\/predstaveni-dns-systemu","title":{"rendered":"P\u0159edstaven\u00ed DNS syst\u00e9mu"},"content":{"rendered":"\n<p>DNS (domain name system) je z\u00e1klad cel\u00e9ho Internetu. Sou\u010d\u00e1st\u00ed na\u0161\u00ed nab\u00eddky slu\u017eeb samoz\u0159ejm\u011b mus\u00ed b\u00fdt provoz vlastn\u00edch DNS server\u016f. Veden\u00ed DNS z\u00e1znam\u016f nab\u00eddneme pro kohokoliv zdarma. V \u010dl\u00e1nku v\u00e1m p\u0159edstav\u00edme n\u00e1\u0161 syst\u00e9m a pr\u016fb\u011bh jeho p\u0159\u00edprav.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Ka\u017ed\u00e1 dom\u00e9na mus\u00ed m\u00edt u sebe nastaveny 2 nebo v\u00edce DNS server\u016f, na kter\u00fdch se pro danou dom\u00e9nu eviduj\u00ed DNS z\u00e1znamy (tedy informace o tom, na kter\u00e9m serveru se nach\u00e1z\u00ed WWW str\u00e1nky t\u00e9to dom\u00e9ny, na kter\u00fd server se m\u00e1 pos\u00edlat e-mailov\u00e1 po\u0161ta pro tuto dom\u00e9nu apod.). Ka\u017ed\u00fd slu\u0161n\u00fd poskytovatel hostingov\u00fdch a p\u0159\u00edbuzn\u00fdch slu\u017eeb provozuje svou flotilu DNS server\u016f a t\u00edm nab\u00edz\u00ed \u00fato\u010di\u0161t\u011b pro dom\u00e9ny sv\u00fdch z\u00e1kazn\u00edk\u016f.<\/p>\n\n\n\n<p>My samoz\u0159ejm\u011b nesm\u00edme z\u016fstat pozadu a ji\u017e nyn\u00ed fini\u0161ujeme s v\u00fdvojem na\u0161eho DNS syst\u00e9mu. Ten bude nab\u00edzet n\u00e1sleduj\u00edc\u00ed slu\u017eby:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>veden\u00ed prim\u00e1rn\u00edch z\u00e1znam\u016f dom\u00e9n<\/strong>&nbsp;&#8211; tj. evidence DNS z\u00e1znam\u016f dom\u00e9ny v na\u0161em syst\u00e9mu a dal\u0161\u00edch informac\u00ed a nastaven\u00ed<\/li><li><strong>veden\u00ed sekund\u00e1rn\u00edch z\u00e1znam\u016f dom\u00e9n<\/strong>&nbsp;&#8211; n\u00e1\u0161 syst\u00e9m bude pro danou dom\u00e9nu pod\u0159\u00edzen\u00fd a bude si jej\u00ed z\u00e1znamy stahovat z jin\u00e9ho DNS serveru<\/li><\/ul>\n\n\n\n<p>Sou\u010d\u00e1st\u00ed bude p\u0159\u00edv\u011btiv\u00e9 z\u00e1kaznick\u00e9 rozhran\u00ed, kter\u00e9 komukoliv umo\u017en\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>p\u0159id\u00e1vat nov\u00e9 dom\u00e9ny do DNS (prim\u00e1rn\u00ed i sekund\u00e1rn\u00ed)<\/li><li>editovat z\u00e1znamy &#8211; pro za\u010d\u00e1tek budeme podporovat z\u00e1znamy typu A, NS, CNAME, MX, TXT, AAAA, SRV a SPF<\/li><li>kompletn\u00ed historie zm\u011bn<\/li><li>nastaviteln\u00e9 povolen\u00ed\/z\u00e1kaz stahov\u00e1n\u00ed z\u00f3n p\u0159es AXFR (odchoz\u00ed AXFR) s mo\u017enost\u00ed uveden\u00ed konkr\u00e9tn\u00edch IP adres, kter\u00e9 mohou z\u00f3nu dan\u00e9 dom\u00e9ny stahovat<\/li><li>import dat p\u0159i p\u0159echodu z jin\u00fdch DNS server\u016f &#8211; sta\u017een\u00ed p\u0159es AXFR z jin\u00e9ho serveru, upload z\u00f3nov\u00e9ho souboru<\/li><li>kop\u00edrov\u00e1n\u00ed dom\u00e9n &#8211; novou dom\u00e9nu zalo\u017e\u00edte snadno zkop\u00edrov\u00e1n\u00edm jin\u00e9 (se v\u0161emi z\u00e1znamy i nastaven\u00edm)<\/li><\/ul>\n\n\n\n<p>Do budoucna p\u0159ipravujeme:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>podporu DNSSEC<\/li><li>veden\u00ed reverzn\u00edch z\u00e1znam\u016f pro n\u00e1\u0161 autonomn\u00ed syst\u00e9m<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zku\u0161ebn\u00ed provoz<\/h2>\n\n\n\n<p>Uveden\u00ed DNS syst\u00e9mu do zku\u0161ebn\u00edho provozu pro ve\u0159ejnost pl\u00e1nujeme na polovinu \u00fanora 2010. To znamen\u00e1, \u017ee kdokoliv si bude moci po registraci na na\u0161ich str\u00e1nk\u00e1ch vlo\u017eit do na\u0161eho DNS syst\u00e9mu libovoln\u00e9 mno\u017estv\u00ed libovoln\u00fdch dom\u00e9n. B\u011bhem tohoto zku\u0161ebn\u00edho provozu syst\u00e9m z\u0159ejm\u011b pob\u011b\u017e\u00ed pouze z jednoho fyzick\u00e9ho serveru, v\u00edce server\u016f ve v\u00edce autonomn\u00edch syst\u00e9mech se nasad\u00ed a\u017e do ostr\u00e9ho provozu.<\/p>\n\n\n\n<p>Provoz DNS z\u00e1znam\u016f nab\u00eddneme komukoliv zdarma, podm\u00ednkou nebude m\u00edt u n\u00e1s tak\u00e9 dal\u0161\u00ed placen\u00e9 slu\u017eby (nap\u0159. dom\u00e9nu \u010di hosting). Opravdu pro v\u0161echny zdarma.<\/p>\n\n\n\n<p>N\u00ed\u017ee m\u016f\u017eete vid\u011bt screenshoty z p\u0159ipravovan\u00e9 z\u00e1kaznick\u00e9 administrace.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DNS (domain name system) je z\u00e1klad cel\u00e9ho Internetu. Sou\u010d\u00e1st\u00ed na\u0161\u00ed nab\u00eddky slu\u017eeb samoz\u0159ejm\u011b mus\u00ed b\u00fdt provoz vlastn\u00edch DNS server\u016f. Veden\u00ed DNS z\u00e1znam\u016f nab\u00eddneme pro kohokoliv zdarma. V \u010dl\u00e1nku v\u00e1m p\u0159edstav\u00edme n\u00e1\u0161 syst\u00e9m a pr\u016fb\u011bh jeho p\u0159\u00edprav.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-74823","post","type-post","status-publish","format-standard","hentry","category-sluzby"],"_links":{"self":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/74823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/comments?post=74823"}],"version-history":[{"count":1,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/74823\/revisions"}],"predecessor-version":[{"id":74829,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/74823\/revisions\/74829"}],"wp:attachment":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media?parent=74823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/categories?post=74823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/tags?post=74823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}