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

Registro IPv4
host: omfmail.org
class: IN
ttl: 300
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: omfmail.org
class: IN
ttl: 3600
type: SOA
mname: ns1.name.com
rname: hostmaster.nsone.net
serial: 1674466492
refresh: 43200
retry: 7200
expire: 1209600
minimum-ttl: 3600

Información TXT
host: omfmail.org
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array