Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: prahaaktualne.cz
class: IN
ttl: 1926
type: A
ip: 217.11.249.137

Servidores DNS Principal (mname) y Secundario (rname)
host: prahaaktualne.cz
class: IN
ttl: 127
type: SOA
mname: shinzon.blueboard.cz
rname: hostmaster.blueboard.cz
serial: 2020083853
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 38400

Servidor de Correo
host: prahaaktualne.cz
class: IN
ttl: 19927
type: MX
pri: 10
target: jaguar.blueboard.cz

Información TXT
host: prahaaktualne.cz
class: IN
ttl: 127
type: TXT
txt: v=spf1 a mx include:spf.blueboard.cz -all
entries: Array