Registro IPv4
host: dolfina.org
class: IN
ttl: 90
type: A
ip: 67.159.139.9

Servidores DNS Principal (mname) y Secundario (rname)
host: dolfina.org
class: IN
ttl: 3600
type: SOA
mname: ns1.afraid.org
rname: dnsadmin.afraid.org
serial: 2607300001
refresh: 86400
retry: 7200
expire: 2419200
minimum-ttl: 3600