Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@cyber.harvard.edu; ruf=mailto:dmarc@cyber.harvard.edu; fo=1:d:s

Registro IPv4
host: cyber.harvard.edu
class: IN
ttl: 10800
type: A
ip: 128.103.64.74

Servidor de Correo
host: cyber.harvard.edu
class: IN
ttl: 10800
type: MX
pri: 10
target: smtp.cyber.harvard.edu

Información TXT
host: cyber.harvard.edu
class: IN
ttl: 10800
type: TXT
txt: google-site-verification=_WT-16izh8QSTQU02z6M9vGTiykqcDhxa3vG36c8Qjc
entries: Array

Información TXT
host: cyber.harvard.edu
class: IN
ttl: 10800
type: TXT
txt: v=spf1 mx a ip4:128.103.64.64/26 ?all
entries: Array