DNS, subdomain, and IPv6 -- possible to add subdomain.example.com NS record to an IPv6 host?

Posted by mpbloch on Server Fault See other posts from Server Fault or by mpbloch
Published on 2010-04-12T00:45:18Z Indexed on 2010/04/12 0:53 UTC
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Filed under:

dns

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IPv6

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subdomain

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delegation

example.com is listed with a registrar -- specifically, answerable.com.

I want to host a subdomain in-house, specifically home.example.com.

I am using an ipv6 gateway, specifically gogo6, to have a public IPv6 address. The IP address looks like 2001:xxxx:xx47.

Then http://[2001:xxxx:xx47] goes to my test site (an instance of IIS7). I can add a quad-A record for my primary site -- home.example.com AAAA 2001:xxxx:xx47. Then http//home.example.com loads correctly.

Must I add an A or quad-A record for all sub.home.example.com to my answerable.com DNS manager for example.com? Or can I delegate DNS queries to *.home.example.com to the machine at [2001:xxxx:xx47]?

I have tried to add a AAAA record for tunnel.example.com to [2001:xxxx:xx47], and then add an NS entry for home.example.com to tunnel.example.com, but browsing then results in "DNS lookup error" from my browser.

Is this a configurable scenario? Can DNS for subdomain only be delegated to IPv4 addresses?

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