Registro IPv4
host: premierdentallearning.com
class: IN
ttl: 3600
type: A
ip: 13.65.97.243

Servidores DNS Principal (mname) y Secundario (rname)
host: premierdentallearning.com
class: IN
ttl: 3600
type: SOA
mname: ns1.sierraweb.com
rname: hostmaster.sierraweb.com
serial: 2017040801
refresh: 3600
retry: 1800
expire: 604800
minimum-ttl: 43200

Servidor de Correo
host: premierdentallearning.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.premierdentallearning.com