My setup is as follows:
All servers are Centos 7 x86_64 running under VMware ESXi 5.1.
My DNS/firewall running PDNS 3.4.1 and PDNS-RECURSOR 3.6.2 has 2 NICs.
1 has one static public IP (79.142.xx.yy), and the other is on my LAN
(192.168.3.1/24).
The IP in my DNS for the mail server is the public, and ports are then
forwarded.
mail server is at 192.168.3.50
internal PDNS-recursor (3.6.2) with a Lua script to change address to
LAN address is located at 192.168.3.51,
and it's the only DNS specified in all workstations network setup.
It works like a dream for everybody BUT Windows 7.
Android, Linux and Windows XP all get the LAN address when asking for
mail.example.com, but Windows 7 gets the public address.
I can see in logging in the Lua script that the Windows 7 machine asks
for the name, and Lua returns the LAN address,
but Windows 7 still gets the public IP.
Any ideas to why?
I'm also running Samba on the PDNS-recursor to let Windows access the
NAS shares, but there's no wins defined anywhere,
and the firewall / auth dns is not running Samba.
Kind regards,
Henrik Woffinden
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