on a DNS server?

Reverse DNS assigns hostnames to IP addresses.

How is the name of the IP address 198.51.100.165 stored

on a DNS server?

A. In the A record for 165.100.51.198.ipv4.arpA.

B. In the PTR record for 165.100.51.198.in-addr.arpA.

C. In the RNAME record for 198-51-100-165.rev.arpA.

D. In the ARPA record for 165.100.51.198.rev.

E. In the REV record for arpA.in-addr.198.51.100.165.

Answer: B