Registro DMARC
=DMARC1; p=none; rua=mailto:admin@icasm.co.uk

Registro IPv4
host: icasm.co.uk
class: IN
ttl: 3601
type: A
ip: 149.255.62.115

Servidores DNS Principal (mname) y Secundario (rname)
host: icasm.co.uk
class: IN
ttl: 3601
type: SOA
mname: ns0.thundercloud.uk
rname: admin.icasm.co.uk
serial: 2026092501
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: icasm.co.uk
class: IN
ttl: 3601
type: MX
pri: 15
target: mail.icasm.co.uk

Información TXT
host: icasm.co.uk
class: IN
ttl: 3601
type: TXT
txt: v=spf1 include:relay.thundermail.uk ~all
entries: Array