Registro DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

Servidores DNS Principal (mname) y Secundario (rname)
host: rampsforindustry.com
class: IN
ttl: 3600
type: SOA
mname: dns1.cscdns.net
rname: hostmaster.cscdns.net
serial: 2024040302
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 3600

Información TXT
host: rampsforindustry.com
class: IN
ttl: 86400
type: TXT
txt: v=spf1 -all
entries: Array