Registro IPv4
host: ssn.cz
class: IN
ttl: 3583
type: A
ip: 37.9.175.205

Servidores DNS Principal (mname) y Secundario (rname)
host: ssn.cz
class: IN
ttl: 1800
type: SOA
mname: ns1.websupport.cz
rname: admin.websupport.cz
serial: 1782707277
refresh: 7200
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: ssn.cz
class: IN
ttl: 0
type: MX
pri: 100
target: mx20.active24.cz

Servidor de Correo
host: ssn.cz
class: IN
ttl: 0
type: MX
pri: 10
target: mx10.active24.cz

Información TXT
host: ssn.cz
class: IN
ttl: 0
type: TXT
txt: v=spf1 a mx include:_spf.websupport.cz include:spf.active24.com ~all
entries: Array