Registro DMARC
v=spf1 mx a a:mail3.ewebovky.cz -all

Registro IPv4
host: dlazba-kvalitne.cz
class: IN
ttl: 900
type: A
ip: 165.22.67.158

Servidores DNS Principal (mname) y Secundario (rname)
host: dlazba-kvalitne.cz
class: IN
ttl: 1800
type: SOA
mname: ns.gransy.com
rname: root.gransy.com
serial: 2739502785
refresh: 86400
retry: 900
expire: 1209600
minimum-ttl: 1800

Información TXT
host: dlazba-kvalitne.cz
class: IN
ttl: 900
type: TXT
txt: v=spf1 mx a a:mail3.ewebovky.cz -all
entries: Array