Registro DMARC
v=DMARC1; p=none; pct=100; rua=mailto:re+em5iswcd3mf@dmarc.postmarkapp.com; sp=none; aspf=r;

Registro IPv4
host: tuenvio.cu
class: IN
ttl: 300
type: A
ip: 181.255.247.68

Servidores DNS Principal (mname) y Secundario (rname)
host: tuenvio.cu
class: IN
ttl: 90
type: SOA
mname: oxygen.tuenvio.cu
rname: postman.oxygen.tuenvio.cu
serial: 2024002004
refresh: 3600
retry: 1800
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: tuenvio.cu
class: IN
ttl: 300
type: MX
pri: 10
target: helium.tuenvio.cu

Información TXT
host: tuenvio.cu
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx ~all
entries: Array