Registro DMARC
v=DMARC1; p=none; sp=none; rua=mailto:postmaster@incosrv.com; rf=afrf; pct=100; ri=86400

Registro IPv4
host: kupkolo.cz
class: IN
ttl: 900
type: A
ip: 81.91.84.51

Servidores DNS Principal (mname) y Secundario (rname)
host: kupkolo.cz
class: IN
ttl: 900
type: SOA
mname: ns.web4u.cz
rname: admin.web4u.cz
serial: 2007032601
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 14400

Servidor de Correo
host: kupkolo.cz
class: IN
ttl: 900
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: kupkolo.cz
class: IN
ttl: 900
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: kupkolo.cz
class: IN
ttl: 900
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: kupkolo.cz
class: IN
ttl: 900
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: kupkolo.cz
class: IN
ttl: 900
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Información TXT
host: kupkolo.cz
class: IN
ttl: 900
type: TXT
txt: v=spf1 a mx include:_spf.google.com include:incosrv.com include:_emailing.heureka.cz ~all
entries: Array

Información TXT
host: kupkolo.cz
class: IN
ttl: 900
type: TXT
txt: google-site-verification=YCBWsmsK8maq_Q1kMsG9n7lyuji1iQ30rCAkWKGcKrw
entries: Array