Registro IPv4
host: GrupoMexico.com
class: IN
ttl: 90000
type: A
ip: 187.237.135.71

Servidores DNS Principal (mname) y Secundario (rname)
host: GrupoMexico.com
class: IN
ttl: 86400
type: SOA
mname: ns1.gmexico.com
rname: hostmaster.gmexico.com
serial: 2015011930
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 900