IPv6 & DNS

< 11 >

reverse lookups

Suffix is stored at host-site.

Prefixes can be stored at providers.

A hostname lookup for 3ffe:1900:4545:2:2d0:9ff:fef7:6d2c

to a server for ip6.arpa. : QNAME=\[x3ffe19004545000202d009fffef76d2c/128].ip6.arpa.

answer : \[x3ffe19004545000202d009ff/96].ip6.arpa. DNAME example.com.

Next, ask for the remaining 32 suffix bits:

to a server for example.com. : QNAME=\[xfef76d2c/32].example.com.

answer : \[xfef76d2c/32].example.com. PTR roy.example.com.