Registro IPv4
host: mr-host.com
class: IN
ttl: 14400
type: A
ip: 74.112.91.15

Servidores DNS Principal (mname) y Secundario (rname)
host: mr-host.com
class: IN
ttl: 1080
type: SOA
mname: ns1.mrdns.com
rname: HELP.mrhost.ca
serial: 2026011700
refresh: 14400
retry: 7200
expire: 1209600
minimum-ttl: 3600