Registro DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@a1-web.net; ruf=mailto:postmaster@a1-web.net

Registro IPv4
host: a1-web.net
class: IN
ttl: 3600
type: A
ip: 57.128.169.103

Servidores DNS Principal (mname) y Secundario (rname)
host: a1-web.net
class: IN
ttl: 3600
type: SOA
mname: pns41.cloudns.net
rname: support.cloudns.net
serial: 2026030723
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: a1-web.net
class: IN
ttl: 3600
type: MX
pri: 10
target: mx.252.uk

Información TXT
host: a1-web.net
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx ra=postmaster -all
entries: Array