Registro DMARC
v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:postmaster@uktcp.uk

Registro IPv4
host: uktcp.uk
class: IN
ttl: 333
type: A
ip: 178.18.251.117

Servidores DNS Principal (mname) y Secundario (rname)
host: uktcp.uk
class: IN
ttl: 72566
type: SOA
mname: x.ns.joker.com
rname: hostmaster.joker.com
serial: 2026052149
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: uktcp.uk
class: IN
ttl: 333
type: MX
pri: 50
target: 178.18.251.117

Información TXT
host: uktcp.uk
class: IN
ttl: 72566
type: TXT
txt: v=spf1 mx a ip4:178.18.251.117 ~all
entries: Array