Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: rfinc-tx.com
class: IN
ttl: 7029
type: A
ip: 216.246.113.8

Servidores DNS Principal (mname) y Secundario (rname)
host: rfinc-tx.com
class: IN
ttl: 79055
type: SOA
mname: ns1.imarktec.com.mx
rname: rfinctx.vps.imarktec.com.mx
serial: 2026070601
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: rfinc-tx.com
class: IN
ttl: 7055
type: MX
pri: 0
target: rfinc-tx.com

Información TXT
host: rfinc-tx.com
class: IN
ttl: 7055
type: TXT
txt: v=spf1 +a +mx +ip4:216.246.113.8 ~all
entries: Array