Registro DMARC
v=DMARC1; p=reject;

Servidores DNS Principal (mname) y Secundario (rname)
host: roch.edu
class: IN
ttl: 7200
type: SOA
mname: dns0.nw.roch.edu
rname: hostmaster.rctc.edu
serial: 2018080868
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 7200

Servidor de Correo
host: roch.edu
class: IN
ttl: 1800
type: MX
pri: 1
target: roch-edu.mail.eo.outlook.com

Información TXT
host: roch.edu
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=EkfvMaE2bkooM86eHANW9A-2URO6g8UsCgTwsHzIcD0
entries: Array

Información TXT
host: roch.edu
class: IN
ttl: 3600
type: TXT
txt: fnJPvztzimu4ZLPXsewlBb3CrHT3DXexFV0m6PehSMrJQ/zurUHUrMTC0ChRBqMAPiI9i/+VHDKykPtN0rE+Gg==
entries: Array

Información TXT
host: roch.edu
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ~all
entries: Array