Client X, <hostname>6 AAAA not found by Forwarding Server

[Hugh Everett]

I am seeing many of these messages in my dualserver log:
[timestamp] Client X, <hostname>.6 AAAA forwarded to Forwarding Server Y
[timestamp] Client X, <hostname>.6 A forwarded to Forwarding Server Y
[timestamp] Client X, <hostname>.6 AAAA not found by Forwarding Server
[timestamp] Client X, <hostname>.6 A not found by Forwarding Server

In a system processing about 50 transactions a minute (just under 1 a second), I'm seeing those messages (always in pairs) every 2 or 3 minutes.

It's as if something - but I don't know what - is accidentally dding the characters ".6 A", or ".6 AAAA", to the hostname.

The hostname varies, and is always a valid hostname. But <hostname>.6 is not valid.

Is this a recognised problem ? Any idea what the cause might be ?

[Achal Dhir]

You are mixing Linux and Windows. For windows, download windows source code and Linux source code is in dualserver.tar.gz file.