Registro DMARC
v=spf1 include:spf.stackmail.com a mx -all

Registro IPv4
host: davidlemm.com
class: IN
ttl: 3600
type: A
ip: 185.151.30.204

Servidores DNS Principal (mname) y Secundario (rname)
host: davidlemm.com
class: IN
ttl: 7210
type: SOA
mname: ultra103.uk2.net
rname: hostmaster\@davidlemm.com
serial: 2014063017
refresh: 10800
retry: 1800
expire: 604800
minimum-ttl: 86400

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

Información TXT
host: davidlemm.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 include:spf.stackmail.com a mx -all
entries: Array