Registro IPv4
host: irving.world
class: IN
ttl: 9706
type: A
ip: 141.8.225.76

Servidores DNS Principal (mname) y Secundario (rname)
host: irving.world
class: IN
ttl: 7200
type: SOA
mname: DNS101.REGISTER.COM
rname: root.REGISTER.COM
serial: 120042815
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600