Registro DMARC
v=DMARC1; p=none; sp=none

Registro IPv4
host: mtenforma.com
class: IN
ttl: 3600
type: A
ip: 164.138.210.71

Servidores DNS Principal (mname) y Secundario (rname)
host: mtenforma.com
class: IN
ttl: 3600
type: SOA
mname: ns1.infor-tel.com
rname: hostmaster.mtenforma.com
serial: 2023120300
refresh: 3600
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: mtenforma.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.mtenforma.com

Información TXT
host: mtenforma.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:164.138.210.71 -all
entries: Array