Registro DMARC
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

Registro IPv4
host: vbthunder.com
class: IN
ttl: 7200
type: A
ip: 76.76.21.21

Servidores DNS Principal (mname) y Secundario (rname)
host: vbthunder.com
class: IN
ttl: 7200
type: SOA
mname: NS77.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 125050800
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: vbthunder.com
class: IN
ttl: 3600
type: MX
pri: 10
target: heracles.mxrouting.net

Servidor de Correo
host: vbthunder.com
class: IN
ttl: 3600
type: MX
pri: 20
target: heracles-relay.mxrouting.net

Información TXT
host: vbthunder.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:mxroute.com -all
entries: Array