|This is a networking issue by the way. So if you can not ping a server using it FQDN but can using its IP then your DNS is not transferring across the network. Have you setup a routing table in your DNS server for the 192.168.2.0 Network? If not then this is your problem.|
This link should help...
"We connect both office with wireless bridge connection."
I hope you are using VPN unless you want to get your system hacked.
P.S. You could use a Wireless Router instead of a Wireless Bridge and the router would take care of your routing tables for you. That is the job of a router.