Reverse examples
For the ip6.int. tree. (nibble label example)
$TTL 1D
$ORIGIN f.f.9.0.0.d.2.0.2.0.0.0.5.4.5.4.0.0.9.1.e.f.f.3.ip6.int.
@ IN SOA ns1.example.com. hostmaster.example.com. 2000101802 8H 2H 1W 1D
NS ns1.example.com.
NS ns1.example2.com.
c.2.d.6.7.f.e.f PTR roy.example.com.
d.2.d.6.7.f.e.f PTR ns1.example.com.
For the ip6.arpa. tree. (binary label example)
Entries at a provider site:
$ORIGIN \[x3ffe19004545/48].ip6.arpa.
\[x000202d009ff/48] DNAME rev.example.com.
At a host site.
$TTL 1D
$ORIGIN example.com.
@ IN SOA ns1 hostmaster 2000101802 8H 2H 1W 1D
NS ns1
NS ns1.example2.com.
\[xfef76d2c/32].rev PTR roy
\[xfef76d2d/32].rev PTR ns1