Registro IPv4
host: us-mattress.com
class: IN
ttl: 180
type: A
ip: 157.230.67.179

Servidores DNS Principal (mname) y Secundario (rname)
host: us-mattress.com
class: IN
ttl: 21600
type: SOA
mname: ns20.digicertdns.com
rname: dns.digicertdns.com
serial: 2009010314
refresh: 43200
retry: 3600
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: us-mattress.com
class: IN
ttl: 180
type: MX
pri: 10
target: mail.us-mattress.com