Registro DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@vseelab.info; pct=100; adkim=s; aspf=s

Servidores DNS Principal (mname) y Secundario (rname)
host: vseelab.info
class: IN
ttl: 900
type: SOA
mname: ns-977.awsdns-58.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Información TXT
host: vseelab.info
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.google.com include:spf.mtasv.net include:sendgrid.net include:servers.mcsv.net include:5691797.spf05.hubspotemail.net -all
entries: Array