BIND4 and BIND8 are now technically obsolete and not considered in this article. Historically, BIND underwent three major revisions, each with significantly different architectures: BIND4, BIND8, and BIND9. It is the most widely deployed DNS server.
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It is a free software product and is distributed with most Unix and Linux platforms, where it is most often also referred to as named (name daemon). Key advantage is to use the same application delivery controller to support DNS and application acceleration.īIND is the de facto standard DNS server. Most Internet users access a recursive server provided by their internet service provider to locate internet hosts such as BIG-IP DNS į5 Networks product offers DNS as an authoritative server, recursive and adds additional security measures. They also (typically) cache the result to answer potential future queries within a certain expiration ( time-to-live) period.
"Acme Example Widgets") would provide its own authority services to respond to address queries, or for other DNS information, for These servers are listed as being at the top of the authority chain for their respective domains, and are capable of providing a definitive answer. Authoritative server: authoritative name servers publish DNS mappings for domains under their authoritative control.The two principal roles, which may be implemented either uniquely or combined in a given product are: Excluded from consideration are single-feature DNS tools (such as proxies, filters, and firewalls) and redistributions of servers listed here (many products repackage BIND, for instance, with proprietary user interfaces).ĭNS servers are grouped into several categories of specialization of servicing domain name system queries. Each of these DNS servers is an independent implementation of the DNS protocols, capable of resolving DNS names for other computers, publishing the DNS names of computers, or both.
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