Domain Name System

Contents
AAAA records for forward lookup
$ORIGIN mew.org.
ftp  AAAA  3ffe:501:8:1234:260:97ff:fe40:efab
www  A     133.5.2.1

PTR records for reverse lookup
$ORIGIN 4.3.2.1.8.0.0.0.1.0.5.0.e.f.f.3.IP6.INT.
b.a.f.e.0.4.e.f.f.f.7.9.0.6.2.0  PTR  ftp.mew.org.
$ORIGIN 2.5.133.IN-ADDR.ARPA.
1                                PTR  www.mew.org.

Transport
Both UDP/IPv4 and UDP/IPv6