Registro DMARC
v=DMARC1;p=reject;sp=none;pct=50;adkim=r;aspf=r;

Registro IPv4
host: ventosi.com
class: IN
ttl: 6104
type: A
ip: 188.40.28.19

Servidores DNS Principal (mname) y Secundario (rname)
host: ventosi.com
class: IN
ttl: 7200
type: SOA
mname: ns1.your-server.de
rname: postmaster.your-server.de
serial: 2026052101
refresh: 14400
retry: 1800
expire: 604800
minimum-ttl: 7200

Servidor de Correo
host: ventosi.com
class: IN
ttl: 7200
type: MX
pri: 10
target: www239.your-server.de

Información TXT
host: ventosi.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a mx -all
entries: v=spf1 a mx -all