Registro DMARC
data v=DMARC1;p=reject;rua=mailto:inbox@edwinwattsonline.com;ruf=mailto:inbox@edwinwattsonline.com

Servidores DNS Principal (mname) y Secundario (rname)
host: edwinwattsonline.com
class: IN
ttl: 300
type: SOA
mname: ns1.p68.dns.oraclecloud.net
rname: hostmaster.edwinwattsonline.com
serial: 2
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 1800

Información TXT
host: edwinwattsonline.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array