[Samba] no DNS functionality on second subnet

[Rowland penny]

On 29/08/2019 13:50, Andreas Habel via samba wrote:
> Hi,  > > we have successfully installed our samba4 AD domain with AD DC, 
smb > file server and Windows/Linux clients in the same subnet. > > Now 
we try to add a couple of Windows PCs to the domain that are > located 
in a different subnet. As soon as the AD DC is added as the > DNS server 
on the Windows clients it is no longer possible to resolve > ip 
addresses. In other words, for those PCs DNS is not working. > > We 
added - the new clients to our DNS using samba-tool dns add > - a new 
reverse lookup zone for the new subnet and filled it > using samba-tool 
dns add - a new subnet in RSAT Active > Directory Sites and Services > > 
Routing seems to be OK - we can run telnet <IP of AD DC> 53 from one > 
of the "new" Windows clients and a connection will be established. > 
However, analyses from wireshark/tshark show that on DNS requests > 
there is never an answer from our AD DC. > > It seems that we are 
missing something here - any help would be > appreciated. > > Andreas
Does 'telnet <DC short hostname> 53' work ?

Rowland