Registro IPv4
host: d12m.com
class: IN
ttl: 3400
type: A
ip: 162.243.171.25

Servidores DNS Principal (mname) y Secundario (rname)
host: d12m.com
class: IN
ttl: 1528
type: SOA
mname: ns1.digitalocean.com
rname: hostmaster.d12m.com
serial: 0
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 1800