How does Infoblox implement reverse DNS?

• A. Reverse DNS uses a special domain suffix to store PTR mappings.
• B. Reverse DNS uses in-addr.arpa for IPv4 or ip6.arpa for IPv6; Infoblox creates reverse zones and PTR records to map IPs to hostnames.
• C. Reverse DNS is implemented by adding AAAA records directly in the IPv6 zone.
• D. Reverse DNS is not supported by Infoblox.

Answer: (B)