Registro DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:admin@canternet.cu; ruf=mailto:admin@canternet.cu; sp=reject; adkim=s; aspf=s

Servidores DNS Principal (mname) y Secundario (rname)
host: canternet.cu
class: IN
ttl: 3600
type: SOA
mname: ns3.canternet.cu
rname: admin.canternet.cu
serial: 2025051501
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 3600

Servidor de Correo
host: canternet.cu
class: IN
ttl: 3600
type: MX
pri: 0
target: webmail.canternet.cu

Información TXT
host: canternet.cu
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:200.55.161.139 a:webmail.canternet.cu mx:webmail.canternet.cu -all
entries: Array