Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: certainlysensible.com
class: IN
ttl: 2218
type: A
ip: 185.221.63.17

Servidores DNS Principal (mname) y Secundario (rname)
host: certainlysensible.com
class: IN
ttl: 21600
type: SOA
mname: ns1.hosting.zumedns.com
rname: hostmaster.alphainternet.uk
serial: 2025102201
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: certainlysensible.com
class: IN
ttl: 14400
type: MX
pri: 0
target: mail.certainlysensible.com

Información TXT
host: certainlysensible.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 ip4:185.221.63.17 include:relay.zumedns.com +a +mx +include:relay.mailchannels.net +include:websitewelcome.com ~all
entries: Array