Registro DMARC
v=DMARC1; p=none; pct=100; fo=1; rua=mailto:root@certicon.cz

Registro IPv4
host: ecdl.cz
class: IN
ttl: 3600
type: A
ip: 62.209.197.18

Servidores DNS Principal (mname) y Secundario (rname)
host: ecdl.cz
class: IN
ttl: 1799
type: SOA
mname: ns1.websupport.cz
rname: admin.websupport.sk
serial: 1658298018
refresh: 7200
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: ecdl.cz
class: IN
ttl: 3600
type: MX
pri: 10
target: ecdl-cz.mail.protection.outlook.com

Información TXT
host: ecdl.cz
class: IN
ttl: 21600
type: TXT
txt: v=spf1 include:pigeon.certicon.cz include:spf.protection.outlook.com -all
entries: Array