Servidores DNS Principal (mname) y Secundario (rname)
host: n00.uk
class: IN
ttl: 3600
type: SOA
mname: pns101.cloudns.net
rname: support.cloudns.net
serial: 2022042112
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: n00.uk
class: IN
ttl: 900
type: MX
pri: 10
target: london.mxroute.com

Servidor de Correo
host: n00.uk
class: IN
ttl: 900
type: MX
pri: 20
target: london-relay.mxroute.com