Dns not updating records from dhcp dating ideas and activities
What this means in practice is the following: This means the DHCP server computer account will own certain records in DNS, such as the PTR records and even some A records for older hosts.(However, it's unlikely that you would have many NT 4.0 hosts in your environment.) This can cause the following two problems: For this reason, DHCP servers could be added to a group called Dns Update Proxy.
In this mode, the DHCP server always performs updates of the client’s FQDN, leased IP address information, and both its host (A) and pointer (PTR) resource records, regardless of whether the client has requested to perform its own updates.” “With secure dynamic update, only the computers and users you specify in an ACL can create or modify dns Node objects within the zone.
Those records have an ACL on them to stop registered records from being hijacked by other hosts.