$ORIGIN . $TTL 3600 ; 1 hour nsupdate.info IN SOA ns1.nsupdate.info. root.nsupdate.info. ( 2016081401 ; serial 7200 ; refresh (2 hours) 1800 ; retry (30 minutes) 604800 ; expire (1 week) 60 ; minimum (1 minute) ) NS 127.0.0.1. A 127.0.0.1 AAAA ::1 $ORIGIN nsupdate.info. $TTL 3600 ; 1 hour ipv4 A 1.2.3.4 ipv6 AAAA ::1 www A 1.2.3.4 AAAA ::1