[Samba] DNS Help Request

[Rowland Penny]

On Sat, 2022-09-10 at 13:35 -0500, Thomas Cameron via samba wrote:
> On 9/9/22 18:20, Rob Campbell via samba wrote:
> > nslookup 10.0.0.10
> > 10.0.0.10.in-addr.arpa name = DC01.
> 
> This is wrong, as I understand it. You want reverse ip addresses to
> come 
> back with the FQDN, I think.
> 
> Here's how my network responds with ip address lookups:
> 
> [thomas.cameron at case Desktop]$ host case
> case.tc.camerontech.com has address 172.31.100.4
> [thomas.cameron at case Desktop]$ host case.tc.camerontech.com
> case.tc.camerontech.com has address 172.31.100.4
> [thomas.cameron at case Desktop]$ host 172.31.100.4
> 4.100.31.172.in-addr.arpa domain name pointer
> case.tc.camerontech.com.
> [thomas.cameron at case Desktop]$ nslookup case
> Server:		127.0.0.53
> Address:	127.0.0.53#53
> 
> Non-authoritative answer:
> Name:	case.tc.camerontech.com
> Address: 172.31.100.4
> 
> [thomas.cameron at case Desktop]$ nslookup case.tc.camerontech.com
> Server:		127.0.0.53
> Address:	127.0.0.53#53
> 
> Non-authoritative answer:
> Name:	case.tc.camerontech.com
> Address: 172.31.100.4
> 
> [thomas.cameron at case Desktop]$ nslookup 172.31.100.4
> 4.100.31.172.in-addr.arpa	name = case.tc.camerontech.com.
> 
> Authoritative answers can be found from:
> 
> [thomas.cameron at case Desktop]$
> 
> I won't swear to it, but I am *pretty* sure that DNS is supposed to 
> return the FQDN.
> 
> For reference, I run my own BIND server. I don't rely on Samba to do 
> DNS, I have a separate DNS server in my environment. My zone files
> look 
> like this (this is two lines, in case it gets trimmed):
> 
> [root at wintermute ~]# grep case /var/named/*
> /var/named/100.31.172.in-addr.arpa:4	PTR	case.tc.camerontech.c
> om.
> /var/named/tc.camerontech.com:case	IN	1H	A	172.3
> 1.100.4
> 
> Hope this helps!

Well it did, until you said that you run a separate dns server, what
you do is up to you, but Samba does not recommend running such a dns
server, unless it forwards everything for the AD domain to an AD DC.

Rowland