[Samba] samba_dnsupdate

Paul Littlefield info at paully.co.uk
Mon Mar 2 09:54:51 UTC 2020


Hello,

I have some DNS weirdness for you folks to chew on and help me with...

On Saturday I added this entry...

$ samba-tool dns add dc3 mydomain.com V-RDS02 A 130.130.0.252

but this morning I've come in to the office and the A records have disappeared to be replaced by AAAA records...

   Name=V-INT, Records=1, Children=0
     AAAA: 2002:8282:00ca:0000:0000:0000:8282:00ca (flags=f0, serial=110, ttl=1200)
   Name=V-RDS02, Records=1, Children=0
     AAAA: 2002:8282:00fc:0000:0000:0000:8282:00fc (flags=f0, serial=110, ttl=1200)
   Name=V-SAGE03, Records=2, Children=0
     AAAA: 2002:8282:00e5:0000:0000:0000:8282:00e5 (flags=f0, serial=110, ttl=1200)
   Name=V-SQL02, Records=1, Children=0
     AAAA: 2002:8282:00e6:0000:0000:0000:8282:00e6 (flags=f0, serial=110, ttl=1200)

...so no-one can get to where they need to be.

I add the A record back in to the DNS...

$ samba-tool dns add dc3 mydomain.com V-RDS02 A 130.130.0.252

   Name=V-RDS02, Records=2, Children=0
     AAAA: 2002:8282:00fc:0000:0000:0000:8282:00fc (flags=f0, serial=110, ttl=1200)
     A: 130.130.0.252 (flags=f0, serial=764, ttl=900)

...and people can work again.

What is causing this?

Thanks,

Paully




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