Registro DMARC
v=DMARC1; p=reject; sp=reject; rua=mailto:postmaster@onlycable.es; ruf=mailto:postmaster@onlycable.es; rf=afrf; pct=100; ri=86400

Registro IPv4
host: ursotel.es
class: IN
ttl: 21600
type: A
ip: 178.156.15.249

Servidores DNS Principal (mname) y Secundario (rname)
host: ursotel.es
class: IN
ttl: 10800
type: SOA
mname: ns1.onlycable.es
rname: ingenieria.onlycable.es
serial: 2025090202
refresh: 3600
retry: 7200
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: ursotel.es
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.onlycable.es

Información TXT
host: ursotel.es
class: IN
ttl: 21600
type: TXT
txt: v=spf1 mx a ip4:178.156.15.240/28 -all
entries: Array