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

Registro IPv4
host: mine.nu
class: IN
ttl: 300
type: A
ip: 132.226.118.109

Servidores DNS Principal (mname) y Secundario (rname)
host: mine.nu
class: IN
ttl: 378
type: SOA
mname: ns1.dyndns.org
rname: hostmaster.dyndns.org
serial: 2530846441
refresh: 900
retry: 300
expire: 604800
minimum-ttl: 1800