Strange nameserver IPs under _msdcs zone

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Max Coder

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Sep 2, 2025, 1:20:28 PM (3 days ago) Sep 2
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Hi,

There are two 2019 DC/DNS servers in the current environment. Now I have installed two more 2022 DC/DNS servers.

e.g 2019

dc01 -  10.10.10.7
dc02 -  10.10.10.8

new DCs 2022

mdc01 - 10.10.10.2   DNS Primary  :  10.10.10.3   secondary :  10.10.10.2
mdc02 - 10.10.10.3   DNS Primary  :  10.10.10.2   secondary :  10.10.10.3

Under DNS server, I went to the _msdcs zone properties. The NameServers tab lists the IP addresses as shown below. Is this normal? And how can I fix it?

mdc01 - [10.10.10.2][::1]
mdc02 - [10.10.10.3']

https://imgur.com/a/CmRyh2j

But it seems to be working fine for mydomain.local.

Philip Elder

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Sep 2, 2025, 1:40:10 PM (3 days ago) Sep 2
to ntsys...@googlegroups.com

You can double click on the entry and edit the DNS Servers tab.

 

The IPv6 one can be removed.

 

Philip Elder MCTS

Senior Technical Architect

Microsoft High Availability MVP

MPECS Inc.

E-mail: Phili...@mpecsinc.ca

Phone: +1 (780) 458-2028

Web: www.mpecsinc.com

Blog: blog.mpecsinc.com

Twitter: Twitter.com/MPECSInc

Teams: Phili...@MPECSInc.Cloud

 

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