Registro DMARC
v=DMARC1; p=none; rua=mailto:2wh3vskq@dmarc.boldem.cz

Registro IPv4
host: fcb.cz
class: IN
ttl: 600
type: A
ip: 217.198.116.161

Servidores DNS Principal (mname) y Secundario (rname)
host: fcb.cz
class: IN
ttl: 2560
type: SOA
mname: ns1.websupport.cz
rname: admin.websupport.cz
serial: 1707715566
refresh: 7200
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: fcb.cz
class: IN
ttl: 300
type: MX
pri: 30
target: mx3.ha-vel.com

Servidor de Correo
host: fcb.cz
class: IN
ttl: 300
type: MX
pri: 10
target: smtp.mujha-vel.cz

Servidor de Correo
host: fcb.cz
class: IN
ttl: 300
type: MX
pri: 20
target: mx2.ha-vel.cz

Información TXT
host: fcb.cz
class: IN
ttl: 600
type: TXT
txt: v=spf1 a mx ip4:46.234.119.233 include:_spf.mujha-vel.cz include:spf.railsformers.com include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com include:spf.boldem.cz ~all
entries: Array