Registro IPv4
host: seocentro.com
class: IN
ttl: 10800
type: A
ip: 207.38.89.18

Servidores DNS Principal (mname) y Secundario (rname)
host: seocentro.com
class: IN
ttl: 2560
type: SOA
mname: ns1.nameserverservice.com
rname: hostmaster.ns1.nameserverservice.com
serial: 2017021501
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: seocentro.com
class: IN
ttl: 10800
type: MX
pri: 100
target: mail.seocentro.com