I have domain.local on my PDC, and on my newest DC at a remote site I created touchdown.domain.local as a child domain in the same forest. I ran DCPromo and the child domain can resolve DNS from the parent and it is a domain controller. However, I can't get replication going because the parent can't talk to the child. The parent is at 10.240.0.2 and the child is at 10.240.48.2. The parent DNS does not acknowledge server2.touchdown.domain.local as 10.240.48.2 even with an NS record and an A record.
Under touchdown properties, I have the correct FQDN, but it can't validate the IP address.