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

Registro IPv4
host: thebritishcollege.com
class: IN
ttl: 13742
type: A
ip: 82.165.3.141

Servidores DNS Principal (mname) y Secundario (rname)
host: thebritishcollege.com
class: IN
ttl: 21600
type: SOA
mname: ns1.thebritishcollege.com
rname: acostafranj.gmail.com
serial: 1731579785
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: thebritishcollege.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.thebritishcollege.com

Información TXT
host: thebritishcollege.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 +a +mx +a:server.thebritishcollege.com -all
entries: Array