Registro DMARC
v=spf1 a ip4:93.185.108.106 all

Registro IPv4
host: dvorsky.cz
class: IN
ttl: 864
type: A
ip: 93.185.100.106

Servidores DNS Principal (mname) y Secundario (rname)
host: dvorsky.cz
class: IN
ttl: 864
type: SOA
mname: dns.shosting.cz
rname: hostmaster.shosting.cz
serial: 2025071502
refresh: 10801
retry: 3600
expire: 3600000
minimum-ttl: 864

Servidor de Correo
host: dvorsky.cz
class: IN
ttl: 864
type: MX
pri: 20
target: ns2.shosting.cz

Servidor de Correo
host: dvorsky.cz
class: IN
ttl: 864
type: MX
pri: 10
target: kokes.shosting.cz

Información TXT
host: dvorsky.cz
class: IN
ttl: 864
type: TXT
txt: v=spf1 a mx include:spf.nethost.cz include:_emailing.heureka.cz -all
entries: Array