Registro DMARC
v=DMARC1; p=quarantine

Servidores DNS Principal (mname) y Secundario (rname)
host: intermat.us
class: IN
ttl: 7200
type: SOA
mname: NS37.WORLDNIC.COM
rname: namehost\@WORLDNIC.COM
serial: 124101010
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: intermat.us
class: IN
ttl: 3600
type: MX
pri: 0
target: fibermaterials.mail.protection.office365.us

Información TXT
host: intermat.us
class: IN
ttl: 900
type: TXT
txt: v=spf1 include:spf.protection.office365.us include:spf.protection.outlook.com -all
entries: Array

Información TXT
host: intermat.us
class: IN
ttl: 900
type: TXT
txt: apple-domain-verification=2vdJuQ0Opi4mpBtx
entries: Array

Información TXT
host: intermat.us
class: IN
ttl: 900
type: TXT
txt: h7cusf32em0q2slihh8l29fp2c
entries: Array