Today a customer complained about DNS problems. They got the following errors :
The system failed to register pointer (PTR) resource records (RRs) for network adapter with settings :
Adapter Name : { ID }
Host Name : HOST NAME
Adapter-specific Domain Suffix : Host Name.local
DNS server list :
DNS Servers
Sent update to server : <invalid IP address>
IP Address : IP Address of client
I found that the customer was not using DNS reverse lookup Zones and also an invalid DNS forwarder.
I’ve created the correct Zones and removed the invalid DNS forwarder and the problem was gone.