Registro DMARC
v=spf1 a mx ?all

Registro IPv4
host: bikestream.cz
class: IN
ttl: 1800
type: A
ip: 46.234.108.115

Servidores DNS Principal (mname) y Secundario (rname)
host: bikestream.cz
class: IN
ttl: 1800
type: SOA
mname: ns.vas-hosting.cz
rname: info.vas-hosting.cz
serial: 2403191235
refresh: 28800
retry: 600
expire: 2419200
minimum-ttl: 3600

Servidor de Correo
host: bikestream.cz
class: IN
ttl: 1800
type: MX
pri: 10
target: mail.bikestream.cz

Información TXT
host: bikestream.cz
class: IN
ttl: 1800
type: TXT
txt: v=spf1 a mx ?all
entries: Array