Registro DMARC
v=DMARC1; p=quarantine

Registro IPv4
host: isfnews.cz
class: IN
ttl: 0
type: A
ip: 37.9.175.206

Servidores DNS Principal (mname) y Secundario (rname)
host: isfnews.cz
class: IN
ttl: 86400
type: SOA
mname: ns1.websupport.cz
rname: admin.websupport.cz
serial: 1792164517
refresh: 7200
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: isfnews.cz
class: IN
ttl: 600
type: MX
pri: 10
target: mx10.active24.cz

Servidor de Correo
host: isfnews.cz
class: IN
ttl: 600
type: MX
pri: 100
target: mx20.active24.cz

Información TXT
host: isfnews.cz
class: IN
ttl: 600
type: TXT
txt: v=spf1 a mx include:spf.active24.com include:_spf.websupport.cz ~all
entries: Array