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

Registro IPv4
host: blankrome-llp.com
class: IN
ttl: 3764
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: blankrome-llp.com
class: IN
ttl: 3797
type: SOA
mname: NS55.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 123051813
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600