Registro DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r; rf=afrf; sp=none

Registro IPv4
host: cometal.co.cu
class: IN
ttl: 16218
type: A
ip: 200.55.169.74

Registro IPv4
host: cometal.co.cu
class: IN
ttl: 16218
type: A
ip: 200.55.169.75

Servidores DNS Principal (mname) y Secundario (rname)
host: cometal.co.cu
class: IN
ttl: 16232
type: SOA
mname: zephirus.cometal.co.cu
rname: postmaster.cometal.co.cu
serial: 2017062700
refresh: 1200
retry: 3600
expire: 604800
minimum-ttl: 38400

Servidor de Correo
host: cometal.co.cu
class: IN
ttl: 16233
type: MX
pri: 10
target: mx.cometal.co.cu

Información TXT
host: cometal.co.cu
class: IN
ttl: 16233
type: TXT
txt: v=spf1 +a +mx -all
entries: Array