Registro DMARC
v=DMARC1; p=quarantine; adkim=s; aspf=s

Registro IPv4
host: eficienciaenergetica.com.mx
class: IN
ttl: 21600
type: A
ip: 216.222.192.100

Servidores DNS Principal (mname) y Secundario (rname)
host: eficienciaenergetica.com.mx
class: IN
ttl: 21600
type: SOA
mname: ns1.salazar.fun
rname: your-email.domain.tdl
serial: 2026051101
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 10800

Servidor de Correo
host: eficienciaenergetica.com.mx
class: IN
ttl: 21600
type: MX
pri: 1
target: smtp.google.com

Información TXT
host: eficienciaenergetica.com.mx
class: IN
ttl: 21600
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array