Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@impelling.co.uk;

Servidores DNS Principal (mname) y Secundario (rname)
host: ukblade.co.uk
class: IN
ttl: 1800
type: SOA
mname: dora.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2344091175
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: ukblade.co.uk
class: IN
ttl: 300
type: MX
pri: 1
target: ukblade-co-uk.mail.protection.outlook.com

Información TXT
host: ukblade.co.uk
class: IN
ttl: 300
type: TXT
txt: MS=ms79882722
entries: Array

Información TXT
host: ukblade.co.uk
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
entries: Array