Registro IPv4
host: subsero.com
class: IN
ttl: 3600
type: A
ip: 77.247.67.66

Servidores DNS Principal (mname) y Secundario (rname)
host: subsero.com
class: IN
ttl: 3600
type: SOA
mname: ns.dandomain.dk
rname: hostmaster.dandomain.dk
serial: 2025050601
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 300