If you ever need to delete an individual pointer record (PTR) that is all capitalized and will not delete from the Microsoft Windows Server DNS graphical user interface (GUI) then use the example command below. The example below will delete the PTR record which corresponds to Internet Protocol (IP) address 192.168.25.100.

Remove-DnsServerResourceRecord -ZoneName “25.168.192.in-addr.arpa” -RRType “PTR” -Name “100”