Question about Reverse mapping name servers
Jeremy C. Reed
reed at reedmedia.net
Wed Oct 3 22:31:11 UTC 2007
On Wed, 3 Oct 2007, Reedy, Sean wrote:
> Can a DNS servers provide reverse-mapping (in-addr.arpa) for a block of
> IP addresses if those DNS server don't have an IP address in that block?
Sure. I have done that.
> I'm asking because ARIN requires two name servers whenever you receive a
> block of addresses from them.
> How do you delegate reverse lookup to other name servers from the name
> servers you informed ARIN of?
Search for RFC 2317. It has some different ideas too using CNAME.
See http://www.dyndns.com/support/kb/reverse_dns_in_custom_dns.html for
several examples. (Not advocating that service, but google found that
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