Registro DMARC
v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;fo=1; pct=100;

Servidores DNS Principal (mname) y Secundario (rname)
host: lisbonstandard.com
class: IN
ttl: 558
type: SOA
mname: ns07.gcd-dns.com
rname: dns.jomax.net
serial: 2026091600
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Información TXT
host: lisbonstandard.com
class: IN
ttl: 378
type: TXT
txt: v=spf1 -all
entries: Array