Registro IPv4
host: ad7.biz
class: IN
ttl: 300
type: A
ip: 78.46.99.122

Servidores DNS Principal (mname) y Secundario (rname)
host: ad7.biz
class: IN
ttl: 300
type: SOA
mname: ns1.dyna-ns.net
rname: hostmaster.ad7.biz
serial: 1712187783
refresh: 16384
retry: 2048
expire: 1048576
minimum-ttl: 2560