Registro DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:report@8-1pdf.com; ruf=mailto:report@8-1pdf.com;

Registro IPv4
host: 8-1pdf.com
class: IN
ttl: 600
type: A
ip: 172.121.1.56

Servidores DNS Principal (mname) y Secundario (rname)
host: 8-1pdf.com
class: IN
ttl: 3600
type: SOA
mname: ns03.domaincontrol.com
rname: dns.jomax.net
serial: 2025061600
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: 8-1pdf.com
class: IN
ttl: 600
type: MX
pri: 10
target: 8-1pdf.com

Información TXT
host: 8-1pdf.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 ip4:172.121.1.56 -all
entries: Array