vungtrom.com 3600 mname: ns1.cloudns.net rname: support.cloudns.net serial: 2012092701 refresh: 7200 retry: 1800 expire: 1209600 minimum-ttl: 3600
SOA Start of Authority Record: Specifies authoritative information about a DNS zone, including the primary name server, the email of the domain administrator, the domain serial number, and several timers relating to refreshing the zone.