Registro DMARC
v=DMARC1; p=reject; rua=mailto:post@express.ms

Servidores DNS Principal (mname) y Secundario (rname)
host: express.ms
class: IN
ttl: 3600
type: SOA
mname: express.ms
rname: root.express.ms
serial: 1786830150
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: express.ms
class: IN
ttl: 300
type: MX
pri: 10
target: ksmg.express.ms

Información TXT
host: express.ms
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:31.44.10.17 ip4:31.44.10.141 ip4:31.44.12.245 include:spf.unisender.com ~all
entries: Array

Información TXT
host: express.ms
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=UaMhxxbbyww5PxGqn4izeZ_wNgdpyO6kZ1TqvjzZe7o
entries: Array