{"id":31958,"date":"2018-11-02T16:09:14","date_gmt":"2018-11-02T10:39:14","guid":{"rendered":"https:\/\/www.wikitechy.com\/technology\/?p=31958"},"modified":"2018-11-02T16:09:14","modified_gmt":"2018-11-02T10:39:14","slug":"power-dns-authoritative-recursor-dns-server","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/technology\/power-dns-authoritative-recursor-dns-server\/","title":{"rendered":"Power DNS – Authoritative and Recursor DNS Servers"},"content":{"rendered":"

Power DNS – Authoritative and Recursor DNS Servers<\/strong><\/span><\/p>\n

Authoritative Nameservers<\/strong><\/span>\u00a0area unit<\/strong>\u00a0DNS Servers<\/a> that contain the DNS records for your domains<\/a>. The authoritative nameserver can answer queries with\u00a0info\u00a0directly from its records.<\/strong><\/p>\n

Recursor DNS servers<\/strong> <\/span>(commonly\u00a0brought up\u00a0as\u00a0algorithmic\u00a0or Resolving)\u00a0perform\u00a0between\u00a0the tip\u00a0user\u00a0and also the\u00a0authoritative DNS server<\/strong>. Queries that\u00a0area unit\u00a0submitted by\u00a0the tip\u00a0user\u00a0gain\u00a0the\u00a0algorithmic\u00a0DNS server\u00a01st,\u00a0that\u00a0then searches for the records in its cache. If the queried record\u00a0can not be\u00a0found\u00a0within the cache, the\u00a0algorithmic\u00a0server then sends the\u00a0question\u00a0to the authoritative nameserver<\/strong> to resolve the\u00a0requested\u00a0record details.<\/p>\n

PowerDNS Caching<\/strong><\/span><\/h3>\n

By default, PowerDNS uses \u2018Packet Cache<\/strong>\u2019\u00a0to spot\u00a0similar queries\u00a0and also the\u00a0provides\u00a0connected\u00a0answers\u00a0severally. It\u00a0will\u00a0this\u00a0with none\u00a0any\u00a0process\u00a0of the request. The default cache interval\u00a0relies\u00a0on the TTL<\/strong> (time to live) setting for PowerDNS,\u00a0that\u00a0is\u00a0twenty\u00a0seconds.
\nIn addition to caching entire packets, PowerDNS\u00a0also can\u00a0cache individual queries<\/strong>. Most DNS queries\u00a0generally\u00a0involve\u00a0extra\u00a0backend queries. A superb\u00a0example of a backend queries<\/strong> would be the\u00a0search\u00a0for a CNAME record<\/strong>.<\/p>\n

When\u00a0Associate in Nursing\u00a0end-user queries the \u2018A<\/strong>\u2019 record for \u2018www.example.com<\/strong>,\u2019 PowerDNS\u00a0should\u00a01st\u00a0run a background\u00a0question\u00a0to envision\u00a0for the \u2018www\u2019 CNAME<\/strong> record. The PowerDNS\u00a0question\u00a0Cache\u00a0can\u00a0cache these\u00a0sorts\u00a0queries for\u00a0faster\u00a0recall\u00a0within the\u00a0event\u00a0of comparable\u00a0future requests.<\/p>\n

PowerDNS\u00a0blessings<\/strong><\/span><\/h3>\n

While BIND<\/strong> is\u00a0utterly\u00a0fine for\u00a0the common\u00a0host<\/a> or user, PowerDNS provides\u00a0a sturdy\u00a0set of\u00a0options\u00a0and\u00a0additional\u00a0performance\u00a0fitted to\u00a0larger server environments with load-balancer configurations,\u00a0like\u00a0reseller.<\/p>\n

One in all\u00a0the\u00a0crucial\u00a0parts\u00a0of PowerDNS is that it supports DNSSEC<\/strong> (DNS Security Extensions)\u00a0making\u00a0an additional\u00a0layer of security for your domains DNS. Also, PowerDNS\u00a0encompasses a\u00a0convenient web-based\u00a0computer program\u00a0known as\u00a0Poweradmin that\u00a0encompasses a\u00a0style of\u00a0useful\u00a0management tools.<\/p>\n

Poweradmin<\/strong><\/span><\/h2>\n

Poweradmin is a browser-based administration tool for PowerDNS<\/strong>. It supports master, native and slave zones types. It can also be used for automatic provisioning and supports multiple coding languages. Below are a few examples of what the Poweradmin interface looks like and the tools and features it posses. For a full list of Poweradmin features<\/strong> visit https:\/\/www.poweradmin.org\/features.html<\/a>.<\/strong><\/p>\n

Main Page<\/strong>\u00a0<\/span><\/h3>\n

Available tools and features can be seen on the main page of Poweradmin<\/strong> when you first log in.<\/p>\n

\"poweradmin-mainpage\"<\/p>\n

Search Tool<\/strong>\u00a0<\/span><\/h3>\n

Utilizing the search tool allows you to query<\/a> all of the DNS zone setups<\/strong> with your PowerDNS for a specific string<\/a> of text (name, IP address, etc<\/strong>.)<\/p>\n

\"poweradmin-searchtool\"<\/p>\n

Add a Master Zone\u00a0<\/strong><\/span><\/h3>\n

The Master Zone is used as the primary point<\/strong> of a query for all DNS requests<\/strong> made to the PowerDNS.<\/p>\n

\"poweradmin-masterzone\"<\/p>\n

Secondary Zone\u00a0<\/strong><\/span><\/h3>\n

As a fail safe, the secondary zone handles DNS queries<\/strong> should the Master Zone experience issues or go unresponsive.<\/strong><\/p>\n

\"poweradmin-secondaryzone\"<\/p>\n","protected":false},"excerpt":{"rendered":"

Power DNS – Authoritative and Recursor DNS Servers Authoritative Nameservers\u00a0area unit\u00a0DNS Servers that contain the DNS records for your domains. The authoritative nameserver can answer queries with\u00a0info\u00a0directly from its records. Recursor DNS servers (commonly\u00a0brought up\u00a0as\u00a0algorithmic\u00a0or Resolving)\u00a0perform\u00a0between\u00a0the tip\u00a0user\u00a0and also the\u00a0authoritative DNS server. Queries that\u00a0area unit\u00a0submitted by\u00a0the tip\u00a0user\u00a0gain\u00a0the\u00a0algorithmic\u00a0DNS server\u00a01st,\u00a0that\u00a0then searches for the records in its cache. If […]<\/p>\n","protected":false},"author":2,"featured_media":31964,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85693,84874],"tags":[86006,86008,86007,86009,86011,86010,86012,86013,86014,86015,86005,86004,86003,86002,86001,86000,85999,85998,85997,85996,85995,85994,85993],"class_list":["post-31958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dns","category-hosting","tag-authoritative-dns-providers","tag-caching-dns-server-linux","tag-caching-only-dns-server","tag-dns-caching-server","tag-dns-hosting","tag-dns-provider-comparison","tag-dns-recursion-attack","tag-forwarding-dns-server","tag-install-powerdns","tag-install-powerdns-recursor","tag-non-authoritative-dns-server","tag-pdns-recursor-auth-zones","tag-pdns-recursor-forward-all-zones","tag-powerdns-authoritative-and-recursive","tag-powerdns-recursor","tag-powerdns-recursor-cache","tag-powerdns-recursor-configuration","tag-powerdns-recursor-logging","tag-powerdns-recursor-vs-authoritative","tag-powerdns-recursor-web-interface","tag-powerdns-windows","tag-public-authoritative-dns-servers","tag-types-of-dns-servers-in-linux"],"_links":{"self":[{"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/posts\/31958","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/comments?post=31958"}],"version-history":[{"count":0,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/posts\/31958\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/media\/31964"}],"wp:attachment":[{"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/media?parent=31958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/categories?post=31958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/tags?post=31958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}