Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc-reports@isol.cz

Registro IPv4
host: ryatraining.cz
class: IN
ttl: 4134
type: A
ip: 89.187.131.33

Servidores DNS Principal (mname) y Secundario (rname)
host: ryatraining.cz
class: IN
ttl: 4135
type: SOA
mname: ns1.isol.cz
rname: admin.ryatraining.cz
serial: 2026051910
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 43200

Servidor de Correo
host: ryatraining.cz
class: IN
ttl: 4135
type: MX
pri: 10
target: mail.isol.cz

Información TXT
host: ryatraining.cz
class: IN
ttl: 128
type: TXT
txt: v=spf1 a mx ip4:89.187.131.33 ~all
entries: Array