{"id":41528,"date":"2010-03-15T08:05:38","date_gmt":"2010-03-15T07:05:38","guid":{"rendered":"https:\/\/blog.wedos.cz\/?p=41528"},"modified":"2020-09-02T08:19:38","modified_gmt":"2020-09-02T06:19:38","slug":"spusteno-dns-zdarma-pro-kazdeho","status":"publish","type":"post","link":"https:\/\/blog.wedos.com\/cs\/spusteno-dns-zdarma-pro-kazdeho","title":{"rendered":"Spu\u0161t\u011bno: DNS zdarma pro ka\u017ed\u00e9ho"},"content":{"rendered":"\n<p>Jako ochutn\u00e1vku na\u0161ich budouc\u00edch hostingov\u00fdch slu\u017eeb jsme pr\u00e1v\u011b spustili n\u00e1\u0161 DNS syst\u00e9m, kter\u00fd si m\u016f\u017ee vyzkou\u0161et ka\u017ed\u00fd zdarma. Syst\u00e9m nab\u00edz\u00ed mnoho funkc\u00ed a snadnou spr\u00e1vu.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Chcete-li si na\u0161e DNS vyzkou\u0161et, zaregistrujte se v&nbsp;<a href=\"https:\/\/client.wedos.com\/\" target=\"_blank\" rel=\"noopener\"><strong>z\u00e1kaznick\u00e9m centru WEDOS<\/strong><\/a>, DNS naleznete pod z\u00e1lo\u017ekou&nbsp;<strong>slu\u017eby<\/strong>.<\/p>\n\n\n\n<p>Aktu\u00e1ln\u00ed informace o syst\u00e9mu DNS a jeho parametrech hledejte ve\u00a0<a href=\"https:\/\/kb.wedos.com\/cs\/kategorie\/dns\/wedos-dns\/\" target=\"_blank\" rel=\"noopener\">znalostn\u00ed b\u00e1zi<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Popis syst\u00e9mu WEDOS DNS<\/h2>\n\n\n\n<p>Syst\u00e9m umo\u017e\u0148uje spravovat prim\u00e1rn\u00ed i sekund\u00e1rn\u00ed z\u00e1znamy pro dom\u00e9ny.<\/p>\n\n\n\n<p><strong>Prim\u00e1rn\u00ed dom\u00e9na<\/strong>&nbsp;je dom\u00e9na, u kter\u00e9 se v na\u0161em syst\u00e9mu eviduj\u00ed DNS z\u00e1znamy. N\u00e1\u0161 syst\u00e9m se tedy chov\u00e1 v podstat\u011b jako prim\u00e1rn\u00ed DNS server pro tuto dom\u00e9nu. Toto je obvykl\u00e9 \u0159e\u0161en\u00ed.<\/p>\n\n\n\n<p><strong>Sekund\u00e1rn\u00ed dom\u00e9na<\/strong>&nbsp;je dom\u00e9na, u kter\u00e9 neevidujeme DNS z\u00e1znamy my, ale stahujeme je z jin\u00e9ho DNS serveru p\u0159es AXFR. Syst\u00e9m se tedy pro tuto dom\u00e9nu chov\u00e1 jako sekund\u00e1rn\u00ed DNS server. U t\u00e9to dom\u00e9ny se pouze nastav\u00ed IP adresa, odkud se maj\u00ed z\u00e1znamy stahovat. Perioda stahov\u00e1n\u00ed se \u0159\u00edd\u00ed \u00fadaji v SOA z\u00e1znamu p\u0159\u00edslu\u0161n\u00e9 dom\u00e9ny (REFRESH, RETRY).<\/p>\n\n\n\n<p>Podporovan\u00e9 typy DNS z\u00e1znam\u016f:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>A<\/li><li>AAAA<\/li><li>NS<\/li><li>CNAME<\/li><li>MX<\/li><li>TXT<\/li><li>SRV<\/li><li>SPF<\/li><\/ul>\n\n\n\n<p>Syst\u00e9m d\u00e1le nab\u00edz\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>kompletn\u00ed historie zm\u011bn<\/strong>&nbsp;&#8211; zm\u011bny v nastaven\u00ed, p\u0159id\u00e1n\u00ed, zm\u011bna a smaz\u00e1n\u00ed z\u00e1znam\u016f<\/li><li>nastaviteln\u00e9 povolen\u00ed\/z\u00e1kaz&nbsp;<strong>stahov\u00e1n\u00ed z\u00f3n p\u0159es AXFR (odchoz\u00ed AXFR)<\/strong>&nbsp;s mo\u017enost\u00ed uveden\u00ed konkr\u00e9tn\u00edch IP adres, kter\u00e9 mohou z\u00f3nu dan\u00e9 dom\u00e9ny stahovat<\/li><li><strong>import dat<\/strong>&nbsp;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 \u010di ru\u010dn\u00ed zad\u00e1n\u00ed<\/li><li><strong>kop\u00edrov\u00e1n\u00ed dom\u00e9n<\/strong>&nbsp;&#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>P\u0159ipravujeme:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>podpora&nbsp;<strong>DNSSEC<\/strong><\/li><li>lep\u0161\u00ed&nbsp;<strong>podpora IPv6<\/strong>&nbsp;(komunikace s na\u0161imi DNS servery p\u0159es IPv6, z\u00e1znamy AAAA ji\u017e nyn\u00ed podporov\u00e1ny jsou)<\/li><li>spr\u00e1va&nbsp;<strong>reverzn\u00edch z\u00e1znam\u016f<\/strong>&nbsp;(pro z\u00e1kazn\u00edky na\u0161ich serverhostingov\u00fdch slu\u017eeb)<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DNS servery<\/h2>\n\n\n\n<p>V sou\u010dasn\u00e9 dob\u011b jsou provozov\u00e1ny 2 DNS servery:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>ns.wedos.net<\/strong>&nbsp;(81.2.199.19)<\/li><li><strong>ns.wedos.cz<\/strong>&nbsp;(81.2.199.20)<\/li><\/ul>\n\n\n\n<p><strong>UPOZORN\u011aN\u00cd!<\/strong>&nbsp;Syst\u00e9m WEDOS DNS v sou\u010dasn\u00e9 dob\u011b b\u011b\u017e\u00ed v testovac\u00edm re\u017eimu, prozat\u00edm se vyu\u017e\u00edv\u00e1 pouze jeden fyzick\u00fd server. Teprve po nasazen\u00ed do ostr\u00e9ho provozu (konec roku 2010) bude vyu\u017eito v\u00edce fyzick\u00fdch server\u016f ve v\u00edce autonomn\u00edch syst\u00e9mech.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vyu\u017e\u00edv\u00e1n\u00ed DNS syst\u00e9mu<\/h2>\n\n\n\n<p><strong>Vyu\u017e\u00edv\u00e1n\u00ed na\u0161eho DNS syst\u00e9mu je zcela zdarma pro kohokoliv bez omezen\u00ed po\u010dtu dom\u00e9n.<\/strong>&nbsp;Lze vkl\u00e1dat pouze dom\u00e9ny 2. \u0159\u00e1du. Po\u010det z\u00e1znam\u016f u jedn\u00e9 dom\u00e9ny je omezen na 20 (nezapo\u010d\u00edt\u00e1vaj\u00ed se NS z\u00e1znamy dan\u00e9 dom\u00e9ny a SOA z\u00e1znam).<\/p>\n\n\n\n<p>Spr\u00e1va DNS syst\u00e9mu je k dispozici v&nbsp;<a href=\"https:\/\/client.wedos.com\/\" target=\"_blank\" rel=\"noopener\">z\u00e1kaznick\u00e9m centru WEDOS<\/a>&nbsp;(je nutn\u00e9 se nejprve zaregistrovat) v z\u00e1lo\u017ece&nbsp;<strong>slu\u017eby<\/strong>, odkaz&nbsp;<strong>DNS<\/strong>. Zde lze dom\u00e9ny p\u0159id\u00e1vat, m\u011bnit jejich nastaven\u00ed, editovat z\u00e1znamy a prov\u00e1d\u011bt dal\u0161\u00ed \u00fakony.<\/p>\n\n\n\n<p>Znovu p\u0159ipom\u00edn\u00e1me, \u017ee tento DNS syst\u00e9m je prozat\u00edm v&nbsp;<strong>testovac\u00edm provozu<\/strong>, tud\u00ed\u017e:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Neru\u010d\u00edme za funk\u010dnost tohoto DNS syst\u00e9mu, kter\u00fd je st\u00e1le ve v\u00fdvoji a v testov\u00e1n\u00ed. Ob\u010das m\u016f\u017ee doch\u00e1zet ke kr\u00e1tk\u00fdm v\u00fdpadk\u016fm (ov\u0161em sna\u017e\u00edme se v\u0161e d\u011blat bez v\u00fdpadku).<\/li><li>N\u00e1\u0161 DNS syst\u00e9m nevyu\u017e\u00edvejte pro va\u0161e d\u016fle\u017eit\u00e9 dom\u00e9ny, u nich\u017e nesm\u00ed doj\u00edt k \u017e\u00e1dn\u00e9mu v\u00fdpadku.<\/li><li>Neru\u010d\u00edme za jak\u00e9koliv probl\u00e9my \u010di \u0161kody zp\u016fsoben\u00e9 poruchou \u010di chybou v tomto syst\u00e9mu.<\/li><li>Syst\u00e9m WEDOS DNS pou\u017e\u00edv\u00e1te na vlastn\u00ed nebezpe\u010d\u00ed.<\/li><\/ul>\n\n\n\n<p>Dom\u00e9ny, kter\u00e9 d\u00e9le ne\u017e 60 dn\u00ed skute\u010dn\u011b nevyu\u017e\u00edvaj\u00ed na\u0161e DNS servery (tj. na\u0161e DNS servery u nich nejsou nastaveny jako autoritativn\u00ed), budou smaz\u00e1ny.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">N\u00e1vody k DNS<\/h2>\n\n\n\n<p>V na\u0161\u00ed znalostn\u00ed b\u00e1zi WEDOS naleznete mnoho informac\u00ed a n\u00e1vod\u016f jak k DNS samotn\u00e9mu, tak k na\u0161emu syst\u00e9mu:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/kb.wedos.com\/cs\/kategorie\/dns\/teorie-dns\/\" target=\"_blank\" rel=\"noopener\">teorie o DNS<\/a>\u00a0&#8211; co to je, jak to souvis\u00ed s Internetem a dom\u00e9nami<\/li><li><a href=\"https:\/\/kb.wedos.com\/cs\/kategorie\/dns\/teorie-dns\/zaznamy-dns\/\" target=\"_blank\" rel=\"noopener\">DNS z\u00e1znamy<\/a>\u00a0&#8211; vysv\u011btlivky k jednotliv\u00fdm typ\u016fm z\u00e1znam\u016f, jejich pou\u017eit\u00ed a p\u0159\u00edklady<\/li><li><a href=\"https:\/\/kb.wedos.com\/cs\/kategorie\/dns\/teorie-dns\/protokol-dns\/\" target=\"_blank\" rel=\"noopener\">protokol DNS<\/a>\u00a0&#8211; podrobn\u011bj\u0161\u00ed informace pro pokro\u010dil\u00e9<\/li><li><a href=\"https:\/\/kb.wedos.com\/cs\/kategorie\/dns\/wedos-dns\/\" target=\"_blank\" rel=\"noopener\">manu\u00e1l k WEDOS DNS<\/a>\u00a0&#8211; kompletn\u00ed n\u00e1vod k pou\u017eit\u00ed na\u0161eho DNS<\/li><\/ul>\n\n\n\n<p>Jestli\u017ee si nebudete s n\u011b\u010d\u00edm v\u011bd\u011bt rady, naraz\u00edte na n\u011bjak\u00fd probl\u00e9m anebo v\u00e1s napadne zlep\u0161ov\u00e1k, vyu\u017eijte\u00a0<a href=\"https:\/\/client.wedos.com\/contact\/cform.html\" target=\"_blank\" rel=\"noopener\">kontaktn\u00ed formul\u00e1\u0159<\/a>\u00a0a napi\u0161te n\u00e1m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Foto<\/h2>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jako ochutn\u00e1vku na\u0161ich budouc\u00edch hostingov\u00fdch slu\u017eeb jsme pr\u00e1v\u011b spustili n\u00e1\u0161 DNS syst\u00e9m, kter\u00fd si m\u016f\u017ee vyzkou\u0161et ka\u017ed\u00fd zdarma. Syst\u00e9m nab\u00edz\u00ed mnoho funkc\u00ed a snadnou spr\u00e1vu.<\/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-41528","post","type-post","status-publish","format-standard","hentry","category-sluzby"],"_links":{"self":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/41528","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=41528"}],"version-history":[{"count":1,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/41528\/revisions"}],"predecessor-version":[{"id":41535,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/posts\/41528\/revisions\/41535"}],"wp:attachment":[{"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/media?parent=41528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/categories?post=41528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wedos.com\/cs\/wp-json\/wp\/v2\/tags?post=41528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}