DNS SOA

[Jenny K]

Quick question.

I have two win2000 DNS servers, serverA and ServerB.

Hosting AD Integrated Zones.

On my Zone,....the SOA for the primary server for ServerA
is "serverA.example.dnc.com

On my Zone for ServerB the SOA primary server
reads "ServerB.example.dnc.com.

Questions is, is this correct or should the Primary server
SOA be the same...?
If my First domian controller is ServerA should the I have
serverA on both servers set to ServerA on the SOA..?

please let me know

J

 

[Kevin D. Goodknecht [MVP]]

In

Quick question.

I have two win2000 DNS servers, serverA and ServerB.

Hosting AD Integrated Zones.

On my Zone,....the SOA for the primary server for ServerA
is "serverA.example.dnc.com

On my Zone for ServerB the SOA primary server
reads "ServerB.example.dnc.com.

Questions is, is this correct or should the Primary server
SOA be the same...?
If my First domian controller is ServerA should the I have
serverA on both servers set to ServerA on the SOA..?

please let me know

J

This is proper behavior for Active Directory integrated zones, since AD uses
multimaster roles, each DC is a master with a master zone. DNS gets it data
from Active Directory so, AD holds the master but the SOA record reflects
only the machine name so any secondary zones on non-AD DNS can locate the
masters.
This is a simplified explaination and there is more to it but AD does not
use the SOA record, but RFCs state there must be an SOA record so that is
why it is there. Normal DNS queries don't need the SOA record anyway.

 

[Ace Fekay [MVP]]

In

This is proper behavior for Active Directory integrated zones, since
AD uses multimaster roles, each DC is a master with a master zone.
DNS gets it data from Active Directory so, AD holds the master but
the SOA record reflects only the machine name so any secondary zones
on non-AD DNS can locate the masters.
This is a simplified explaination and there is more to it but AD does
not use the SOA record, but RFCs state there must be an SOA record so
that is why it is there. Normal DNS queries don't need the SOA record
anyway.

Just to add in case the serial numbers don't seem consistent...

282826 - Active Directory-Integrated DNS Zone Serial Number Behavior:
http://support.microsoft.com/?id=282826


--
Regards,
Ace

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This posting is provided "AS-IS" with no warranties and confers no
rights.

Ace Fekay, MCSE 2000, MCSE+I, MCSA, MCT, MVP
Microsoft Windows MVP - Active Directory

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