Registro DMARC
v=DMARC1; p=quarantine; sp=reject; fo=1; pct=100; ruf=mailto:dmarc@shellenergy.co.uk; rua=mailto:dmarc@shellenergy.co.uk

Registro IPv4
host: shellenergy.co.uk
class: IN
ttl: 3600
type: A
ip: 52.17.189.49

Servidores DNS Principal (mname) y Secundario (rname)
host: shellenergy.co.uk
class: IN
ttl: 21600
type: SOA
mname: ds0.opaltelecom.net
rname: noc.opaltelecom.net
serial: 2024092502
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 86400