Registro DMARC
v=DMARC1; p=none; 

Registro IPv4
host: cosetec.es
class: IN
ttl: 49699
type: A
ip: 37.187.249.49

Servidores DNS Principal (mname) y Secundario (rname)
host: cosetec.es
class: IN
ttl: 49699
type: SOA
mname: ns19.doblerc.net
rname: postmaster.cosetec.es
serial: 2026020201
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 10800

Servidor de Correo
host: cosetec.es
class: IN
ttl: 49699
type: MX
pri: 10
target: mail.cosetec.es

Información TXT
host: cosetec.es
class: IN
ttl: 49699
type: TXT
txt: v=spf1 +a +mx -all
entries: Array