I have a 3-site network with S2S IPSec tunnels connecting each to each, as follows: I have Windows Server 2016 and 2022 running AD DS and DNS at the main office, but pfsense doling out DHCP addresses ...

I understand that I should use the AD server as the DNS server as that is the way Active Directory is designed, but can I use the host DNS as the secondary DNS, just in case the server gets shut off ...

Joel Snyder, Ph.D., is a senior IT consultant with 30 years of practice. An internationally recognized expert in the areas of security, messaging and networks, Dr. Snyder is a popular speaker and ...