I'm doing some work that involves adding a few customer IP addresses to my RDNS server for AD/LDAP purposes.
My understanding of DNS is that it should advertise the entries, even if the IPs listed are unreachable, is that correct? Or does DNS/BIND act like a routing protocol and only advertise what it can reach?
I'm trying to troubleshoot an RDNS entry that's provisioned but missing. My first thought was firewall needs to be opened between host IP and the DNS server, but i thought DNS operated slightly differently (advertise if defined, and let the requeestor determine if a connection is unreachable).
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