Registro IPv4
host: ext-joom.com
class: IN
ttl: 90
type: A
ip: 18.154.43.125

Registro IPv4
host: ext-joom.com
class: IN
ttl: 90
type: A
ip: 18.154.43.30

Registro IPv4
host: ext-joom.com
class: IN
ttl: 90
type: A
ip: 18.154.43.69

Registro IPv4
host: ext-joom.com
class: IN
ttl: 90
type: A
ip: 18.154.43.49

Servidores DNS Principal (mname) y Secundario (rname)
host: ext-joom.com
class: IN
ttl: 900
type: SOA
mname: ns-546.awsdns-04.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400