Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarcreport@mail.com

Registro IPv4
host: instruction.com
class: IN
ttl: 86400
type: A
ip: 149.97.150.179

Servidores DNS Principal (mname) y Secundario (rname)
host: instruction.com
class: IN
ttl: 86400
type: SOA
mname: pdns1.ultradns.net
rname: ggorman.easylink.com
serial: 2013013018
refresh: 10800
retry: 3600
expire: 2592000
minimum-ttl: 86400

Información TXT
host: instruction.com
class: IN
ttl: 86400
type: TXT
txt: v=spf1 redirect=_spf.mail.com
entries: Array