Registro DMARC
v=spf1 a:dns.smalltalkeducation.com ~all

Registro IPv4
host: smalltalkeducation.com
class: IN
ttl: 3600
type: A
ip: 72.9.145.75

Servidores DNS Principal (mname) y Secundario (rname)
host: smalltalkeducation.com
class: IN
ttl: 3600
type: SOA
mname: ns71.cloudns.net
rname: support.cloudns.net
serial: 2003101830
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: smalltalkeducation.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.smalltalkeducation.com

Información TXT
host: smalltalkeducation.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.smalltalkeducation.com ~all
entries: Array