Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: pdf4pro.com
class: IN
ttl: 300
type: A
ip: 31.171.131.194

Servidores DNS Principal (mname) y Secundario (rname)
host: pdf4pro.com
class: IN
ttl: 1800
type: SOA
mname: lorna.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2355556937
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: pdf4pro.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=un8N0MqetqyGj1s-cmdkL4NS1eNUAtWcxHmKAVyUzSg
entries: Array

Información TXT
host: pdf4pro.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:31.171.131.194 ~all
entries: Array