Registro DMARC
v=DMARC1; p=quarantine; sp=none;fo=0;

Servidores DNS Principal (mname) y Secundario (rname)
host: ems-isd.net
class: IN
ttl: 7200
type: SOA
mname: NS43.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 122100314
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: ems-isd.net
class: IN
ttl: 1714
type: MX
pri: 0
target: emsisd-net0i.mail.protection.outlook.com

Información TXT
host: ems-isd.net
class: IN
ttl: 3600
type: TXT
txt: adobe-idp-site-verification=8d2265fe927663e5ff967dd53ebc47d9d988dc93a73170e48ebe291b49cc4094
entries: Array

Información TXT
host: ems-isd.net
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:216.213.198.112 ip4:199.36.164.0/22 include:spf.protection.outlook.com include:spf.constantcontact.com include:customerspf.schoolmessenger.com include:_spf.bbnotify.net -all
entries: Array