Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: helpnet.cz
class: IN
ttl: 3600
type: A
ip: 195.250.147.186

Servidores DNS Principal (mname) y Secundario (rname)
host: helpnet.cz
class: IN
ttl: 2560
type: SOA
mname: ns1.websupport.cz
rname: admin.websupport.cz
serial: 1764037487
refresh: 7200
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: helpnet.cz
class: IN
ttl: 21600
type: MX
pri: 10
target: post.czi.cz

Registro IPv6
host: helpnet.cz
class: IN
ttl: 3600
type: AAAA
ipv6: 2001:4de8:fa3a:1::104