Registro DMARC
v=spf1 mx a ip4:51.75.150.20 ip4:51.75.150.21 ip4:107.174.35.78 ?all

Registro IPv4
host: websurf.cz
class: IN
ttl: 1800
type: A
ip: 51.75.150.20

Servidores DNS Principal (mname) y Secundario (rname)
host: websurf.cz
class: IN
ttl: 3600
type: SOA
mname: ns.forpsi.net
rname: admin.forpsi.net
serial: 2025051501
refresh: 14400
retry: 3600
expire: 2592000
minimum-ttl: 3600

Servidor de Correo
host: websurf.cz
class: IN
ttl: 1800
type: MX
pri: 5
target: mail.jursoft.cz

Servidor de Correo
host: websurf.cz
class: IN
ttl: 1800
type: MX
pri: 10
target: mailserver.jursoft.cz

Información TXT
host: websurf.cz
class: IN
ttl: 1800
type: TXT
txt: v=spf1 mx a ip4:51.75.150.20 ip4:51.75.150.21 ip4:107.174.35.78 ?all
entries: Array