Registro IPv4
host: email-smtp.us-west-2.amazonaws.com
class: IN
ttl: 90
type: A
ip: 44.225.148.59

Registro IPv4
host: email-smtp.us-west-2.amazonaws.com
class: IN
ttl: 90
type: A
ip: 54.185.234.152

Registro IPv4
host: email-smtp.us-west-2.amazonaws.com
class: IN
ttl: 90
type: A
ip: 52.13.3.84

Servidores DNS Principal (mname) y Secundario (rname)
host: email-smtp.us-west-2.amazonaws.com
class: IN
ttl: 900
type: SOA
mname: ns-360.awsdns-45.com
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400