 |  |
At 15:47 -0800 2/23/05, Men & Mice Support wrote:
Re: Reverse DNS
From: Michael Wise
Date: Wednesday, February 23, 2005
Time: 3:55:11 pm
>>...
>>I called my ISP, and asked why, and they while said they'd simply
>>"delegated" the reverse lookups to me (dns.hastings.com) - it was
>>my responsibility to provide secondary service. Basically, they
>>were just sending all requests for reverse lookups within our
>>class-C to dns.hastings.com. They weren't providing secondary
>>service for reverse lookups. I said, "that's what I want -- I'm
>>primary, and you're secondary - just like all my other domains!"
>>She said they'd never done that before (!!!), and would have to get
>>back to me.
>>
>>When she called back, things were clearer. They didn't delegate
>>the reverse domain for the class-C to me; they never could. They
>>own the class-C, and are the only ones who can provide
>>authoritative responses for reverse lookups. They can refer
>>lookups to me, but they can't be both authoritative and slaves for
>>the same domain.
>
>Yes they can. SBC does it all the time. They delegate a small
>subnet's reverse records to a client, but they insist that their
>servers must also act as slaves for the zone. They both delegate and
>provide slave service, using the same two servers.
SBC does it indeed. However, they are in a small minority of
providers who do that for their xdsl customers...although many will
make any reverse records you want.
--Mike
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