[Samba] Internal DNS CNAME not working

[Günter Kukkukk]

Am Donnerstag, 28. März 2013, 23:42:50 schrieb Wayne Andersen:
> Samba 4.0.0
> 
> I am running all of these commands from the PDC DC1.
> 
> /etc/resolv.conf
> domain mydomain.com
> nameserver 127.0.0.1
> 
> smb.conf does have a
> dns forwarder = 192.168.1.2
> 
> samba-001 the actual host name, and also a PDC, in the same domain.
> I would like to have the alias my-server point to samba-001.
> 
> I added a CNAME record:
> bin/samba-tool dns add 127.0.0.1 mydomain.com my-server CNAME samba-001
> -Uadministrator
> 
> I can query it.
> 
> bin/samba-tool dns query 127.0.0.1 mydomain.com my-server CNAME
> Password for [administrator at MYDOMAIN.COM]:
>    Name=, Records=1, Children=0
>      CNAME: samba-001. (flags=f0, serial=6, ttl=900)
> 
> Host finds it.
> 
> host -t CNAME my-server.mydomain.com
> my-server.mydomain.com is an alias for samba-001.
> 
> I cannot ping it, it is not resolving properly.
> 
> ping samba-001,  resolves to the proper IP
> ping samba-001.mydomain.com,  resolves to the proper IP
> ping my-server,  ping: unknown host
> ,  ping: unknown host

which unix/linux distro and version are you running?

Try
strace ping -c1 my-server.mydomain.com
and look for errors.

I did the same tests here on opensuse (samba git master) and
don't see that failure.

What do you get with:
dig @localhost my-server.mydomain.com   ?

Cheers, Günter