$ORIGIN mydomain.biz.
$TTL 3600

@ IN SOA mydomain.biz. post.mydomain.biz. 2014110501 3600 14400 604800 3600

@ NS ns1.nameserver.com.
@ NS ns2.nameserver.com.

info TXT "This is some additional \"information\""
sub.domain A 192.168.1.42
ipv6.domain AAAA ::1

$ORIGIN _subdomain.mydomain.biz.

@ MX 10 mail-gw1.example.net.
@ MX 20 mail-gw2.example.net.
@ MX 30 mail-gw3.example.net.
mail IN TXT "THIS IS SOME TEXT; WITH A SEMICOLON"