Am trying to trouble shoot, why we are getting Header Server Failure.
Is that on our end, the DNS outbound?? or is that on the end of the requester??
How can I trouble shoot??
We have now have 4 SimpleDNS license.. and it occurs on all but the internal one.
The main DNS server, doesn't set behind a firewall, and it too.. receives...
Advice on trouble shooting would be appreciated.