[Samba] Remove Redundant DCs internal DNS

Paul Littlefield info at paully.co.uk
Tue May 29 11:55:53 UTC 2018


Hello List,

I have successfully migrated my DCs to 4.7.6-Ubuntu

However, I still have some traces of the old DCs in the DNS...

$ samba-tool dns query dc3 mydomain.com @ ALL
   Name=, Records=8, Children=0
     SOA: serial=570, refresh=900, retry=600, expire=86400, minttl=0, ns=dc3.mydomain.com.
     NS: samba.mydomain.com. (flags=600000f0, serial=110, ttl=900)
     NS: dc3.mydomain.com. (flags=600000f0, serial=110, ttl=900)
     NS: dc4.mydomain.com. (flags=600000f0, serial=110, ttl=900)
     A: 192.168.0.208 (flags=600000f0, serial=110, ttl=900)
     A: 192.168.0.209 (flags=600000f0, serial=110, ttl=900)
     A: 192.168.0.218 (flags=600000f0, serial=110, ttl=900)
     A: 192.168.0.219 (flags=600000f0, serial=110, ttl=900)
   Name=_msdcs, Records=0, Children=0
   Name=_sites, Records=0, Children=1
   Name=_tcp, Records=0, Children=4
   Name=_udp, Records=0, Children=2


...so 'samba', '192.168.0.208' and '192.168.0.209' are now gone.

How do I remove all entries in the DNS for these?

I can use 'samba-tool' or the RSAT gui.

Thanks in advance.

Regards,

-- 

Paul Littlefield




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