Registro DMARC
v=DMARC1; p=none; adkim=r; aspf=r; rf=afrf; sp=none; rua=mailto:postmaster@hlg.sld.cu

Registro IPv4
host: hlg.sld.cu
class: IN
ttl: 13449
type: A
ip: 201.220.196.190

Servidores DNS Principal (mname) y Secundario (rname)
host: hlg.sld.cu
class: IN
ttl: 13449
type: SOA
mname: naix.hlg.sld.cu
rname: root.cristal.hlg.sld.cu
serial: 2025201612
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 38400

Servidor de Correo
host: hlg.sld.cu
class: IN
ttl: 13449
type: MX
pri: 5
target: mx01.hlg.sld.cu

Servidor de Correo
host: hlg.sld.cu
class: IN
ttl: 13449
type: MX
pri: 10
target: mx.sld.cu

Información TXT
host: hlg.sld.cu
class: IN
ttl: 13449
type: TXT
txt: v=spf1 a mx ip4:201.220.196.190/32 a:spf.sld.cu ip4:201.220.192.0/19 ip4:10.10.10.0/24 ~all
entries: Array