Registro IPv4
host: postnext.com
class: IN
ttl: 7200
type: A
ip: 88.212.206.241

Servidores DNS Principal (mname) y Secundario (rname)
host: postnext.com
class: IN
ttl: 7200
type: SOA
mname: ns1.nameself.com
rname: support.regtime.net
serial: 1711431364
refresh: 300
retry: 300
expire: 604800
minimum-ttl: 7200

Servidor de Correo
host: postnext.com
class: IN
ttl: 7200
type: MX
pri: 0
target: mail.postnext.com