[Samba] Samba4 Internal DNS and pfSense DNS Resolver

[miguel medalha]

> there is no reason why an authoritative nameserver would forward a
> request to his own domain no matter if it's samba, named or somethign else
>
> any authoritative nameserver is supposed to know *every* record within
> his own zones and you can't have half of them somewhere lese except
> subdomain delegation but *not* for simple hosts like "xmpp.domain.tld"

So, the solution would be that the OP should insert the DNS record for 
his "xmpp.domain.tld" in his Samba DNS server?