Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc+148761@smartemailing.cz; fo=1

Registro IPv4
host: cassidi.cz
class: IN
ttl: 1800
type: A
ip: 185.64.219.37

Servidores DNS Principal (mname) y Secundario (rname)
host: cassidi.cz
class: IN
ttl: 1800
type: SOA
mname: ns1.shoptet.cz
rname: hostmaster.myshoptet.com
serial: 1675781483
refresh: 1800
retry: 3600
expire: 604800
minimum-ttl: 1800

Información TXT
host: cassidi.cz
class: IN
ttl: 1800
type: TXT
txt: v=spf1 a mx include:_spf.myshoptet.com include:servers.mcsv.net include:spf.smartemailing.cz ~all
entries: Array