Registro DMARC
v=DMARC1; p=quarantine;

Registro IPv4
host: tmm-express.com
class: IN
ttl: 3600
type: A
ip: 77.87.193.245

Servidores DNS Principal (mname) y Secundario (rname)
host: tmm-express.com
class: IN
ttl: 3600
type: SOA
mname: nsa2.srv53.net
rname: support.dnshosting.org
serial: 1727507514
refresh: 1800
retry: 600
expire: 2419200
minimum-ttl: 3600

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

Información TXT
host: tmm-express.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:77.88.194.20 ~all
entries: Array