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

Registro IPv4
host: federationrouter.com
class: IN
ttl: 844
type: A
ip: 16.230.112.216

Servidores DNS Principal (mname) y Secundario (rname)
host: federationrouter.com
class: IN
ttl: 3600
type: SOA
mname: cha08hpeibdns0a.ams.hpecore.net
rname: ddi-hostmaster.groups.ext.hpe.com
serial: 28
refresh: 3600
retry: 3600
expire: 2419200
minimum-ttl: 900