Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Servidores DNS Principal (mname) y Secundario (rname)
host: macchiatobin.net
class: IN
ttl: 21600
type: SOA
mname: dns1.comlaude-dns.com
rname: dnstech.comlaude.com
serial: 2022102813
refresh: 86400
retry: 7200
expire: 2419200
minimum-ttl: 3600