[Samba] new DC preparation, nslookup and dig errors

[Paul Littlefield]

Hi,

I am preparing a DC to replace our old Ubuntu version which is unpatched.

I have followed all the OS preparation, software installation and testing from the official docs but when I got to this part, I get this error ...


root at dc5.mydomain.com ~ $ (screen) nslookup
> set type=SRV
> _ldap._tcp.mydomain.com;; communications error to 130.130.0.219#53: timed out
Server:         130.130.0.219
Address:        130.130.0.219#53
_ldap._tcp.mydomain.com      service = 0 100 389 dc3.mydomain.com.
_ldap._tcp.mydomain.com      service = 0 100 389 dc4.mydomain.com.
> exit


... also dig to the main DC gives this error ...



;; WARNING: recursion requested but not available



Details for you:-

'DC3' = Ubuntu 18.04.6 LTS, Samba Version 4.7.6-Ubuntu, 130.130.0.218
'DC4' = Ubuntu 18.04.6 LTS, Samba Version 4.7.6-Ubuntu, 130.130.0.218
'DC5' = Ubuntu 22.04.3 LTS, Samba Version 4.15.13-Ubuntu, 130.130.251.5
and soon ...
'DC6' = Ubuntu 22.04.3 LTS, Samba Version 4.15.13-Ubuntu, 130.130.251.6



Any ideas please?


Regards,

Paul