Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@teec.org.mx

Registro IPv4
host: teec.org.mx
class: IN
ttl: 300
type: A
ip: 187.157.3.164

Servidores DNS Principal (mname) y Secundario (rname)
host: teec.org.mx
class: IN
ttl: 1800
type: SOA
mname: sarah.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2352301404
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: teec.org.mx
class: IN
ttl: 300
type: MX
pri: 1
target: teec.org.mx

Información TXT
host: teec.org.mx
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:187.157.3.164 include:_spf.google.com ~all
entries: Array

Información TXT
host: teec.org.mx
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:outlook.microsoft.com -all
entries: Array