multiple SOA records for same zone

[Mark Brinich]

I have 2 DNS domains(I'll call them b.c & a.b.c), and each has their own
DNS server. Each DNS server has it's own SOA record for
the same in-addr.arpa zone, but they don't have the same PTR records.
So when I ask my primary DNS server for a hostname for a particular IP
it may reply with just the IP because it doesn't have a PTR record, but
since it has an SOA record it won't forward it to the other server. If
I ask the other server it'll return a value because it has a PTR record.
Is there a way to force my primary DNS server to pass the reverse
lookup request to the other server(if it doesn't have a PTR record)
rather than just pass back an IP address?

 

[Ace Fekay [MVP]]

In

I have 2 DNS domains(I'll call them b.c & a.b.c), and each has their
own DNS server. Each DNS server has it's own SOA record
for the same in-addr.arpa zone, but they don't have the same PTR records.
So when I ask my primary DNS server for a hostname for a particular
IP it may reply with just the IP because it doesn't have a PTR
record, but since it has an SOA record it won't forward it to the
other server. If I ask the other server it'll return a value because
it has a PTR record. Is there a way to force my primary DNS server
to pass the reverse lookup request to the other server(if it doesn't
have a PTR record) rather than just pass back an IP address?

Sounds like you need to setup delegation from the "b.c" DNS server to send
requests for "a" to the server handling 'a.b.c' domain.

Here, read more (it works the same whether AD or not). Remember, set a
forwarder from the child to the parent, and from the parent to the ISP.

255248 - HOW TO Create a Child Domain in Active Directory and Delegate the
DNS Namespace to the Child Domain:
http://support.microsoft.com/?id=255248



--
Regards,
Ace

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Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft Windows MVP - Windows Server - Directory Services

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