Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: cbtis29.edu.mx
class: IN
ttl: 15415
type: A
ip: 50.21.186.150

Servidores DNS Principal (mname) y Secundario (rname)
host: cbtis29.edu.mx
class: IN
ttl: 15415
type: SOA
mname: ns2.cbtis29.edu.mx
rname: luismiguel_gm.hotmail.com
serial: 2025102802
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: cbtis29.edu.mx
class: IN
ttl: 15415
type: MX
pri: 10
target: mail.cbtis29.edu.mx

Información TXT
host: cbtis29.edu.mx
class: IN
ttl: 15416
type: TXT
txt: v=spf1 +a +mx +a:cbtis29.edu.mx -all
entries: Array