Registro DMARC
v=DMARC1; p=reject; rua=mailto:rukavvyb@ag.dmarcian.com; ruf=mailto:rukavvyb@fr.dmarcian.com; pct=100

Servidores DNS Principal (mname) y Secundario (rname)
host: opmatic.com
class: IN
ttl: 21600
type: SOA
mname: dns1.idp365.net
rname: hostmaster.idp365.net
serial: 2021062902
refresh: 28800
retry: 1800
expire: 604800
minimum-ttl: 3600

Información TXT
host: opmatic.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 -all
entries: Array