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: cboeoptionsinstitute.net
class: IN
ttl: 600
type: A
ip: 3.33.130.190

Servidores DNS Principal (mname) y Secundario (rname)
host: cboeoptionsinstitute.net
class: IN
ttl: 2367
type: SOA
mname: ns01.gcd-dns.com
rname: dns.jomax.net
serial: 2025093003
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Información TXT
host: cboeoptionsinstitute.net
class: IN
ttl: 2367
type: TXT
txt: v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
entries: