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= Authoritative Nameserver = |
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An authoritative Nameserver is a nameserver (DNS Server) that holds the actual DNS records (A, CNAME, PTR, etc) for a particular domain/ address. |
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A recursive resolver would be a DNS server that queries an authoritative nameserver to resolve a domain/ address. |
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If I have a DNS server in my network that holds an A record for foobar.com, my DNS server would be authoritative for the foobar.com domain. |
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If clients needed to access foobar.com, they could query my DNS server and they would get an authoritative response. |
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