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: is-a-geek.org
class: IN
ttl: 545116
type: A
ip: 132.226.162.56

Servidores DNS Principal (mname) y Secundario (rname)
host: is-a-geek.org
class: IN
ttl: 545117
type: SOA
mname: ns1.dyndns.org
rname: hostmaster.dyndns.org
serial: 2013966556
refresh: 10800
retry: 1800
expire: 604800
minimum-ttl: 1800