Registro DMARC
v=spf1 include:spf.nux.cz -all

Registro IPv4
host: kolbend.cz
class: IN
ttl: 300
type: A
ip: 89.233.129.21

Servidores DNS Principal (mname) y Secundario (rname)
host: kolbend.cz
class: IN
ttl: 300
type: SOA
mname: ns1.nux.cz
rname: admin.nux.cz
serial: 2018110701
refresh: 3600
retry: 900
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: kolbend.cz
class: IN
ttl: 300
type: MX
pri: 20
target: mx2.nux.cz

Servidor de Correo
host: kolbend.cz
class: IN
ttl: 300
type: MX
pri: 30
target: mx3.nux.cz

Servidor de Correo
host: kolbend.cz
class: IN
ttl: 300
type: MX
pri: 10
target: mx1.nux.cz

Información TXT
host: kolbend.cz
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf.nux.cz -all
entries: Array