Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@infomed.sld.cu; ruf=mailto:dmarc@infomed.sld.cu; adkim=s; aspf=s; pct=100

Servidores DNS Principal (mname) y Secundario (rname)
host: sld.cu
class: IN
ttl: 21600
type: SOA
mname: ns1.sld.cu
rname: adm.infomed.sld.cu
serial: 2026052701
refresh: 3600
retry: 3600
expire: 1209600
minimum-ttl: 1200

Servidor de Correo
host: sld.cu
class: IN
ttl: 21600
type: MX
pri: 10
target: mx.sld.cu

Información TXT
host: sld.cu
class: IN
ttl: 21600
type: TXT
txt: v=spf1 ip4:190.6.66.80/28 ip4:201.220.206.0/25 ip4:201.220.206.128/26 ip4:201.220.210.0/26 ip4:201.220.210.64/26 ip4:201.220.219.0/26 ip4:201.220.222.172/30 -all
entries: Array