Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: grupocontrotec.com.mx
class: IN
ttl: 14400
type: A
ip: 216.246.113.74

Servidores DNS Principal (mname) y Secundario (rname)
host: grupocontrotec.com.mx
class: IN
ttl: 21600
type: SOA
mname: ns1.grupocontrotec.com
rname: batchelar.infocenter.com.mx
serial: 2026021101
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: grupocontrotec.com.mx
class: IN
ttl: 1200
type: MX
pri: 0
target: mail.grupocontrotec.com.mx

Información TXT
host: grupocontrotec.com.mx
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:216.246.113.74 +ip4:205.234.134.89 ~all
entries: Array