Registro DMARC
v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: moodle.unizar.es
class: IN
ttl: 172800
type: A
ip: 155.210.10.103

Información TXT
host: moodle.unizar.es
class: IN
ttl: 172800
type: TXT
txt: v=spf1 ip4:155.210.1.96/28 include:_spf.google.com include:amazonses.com include:spf.protection.outlook.com ~all
entries: Array