`kco.cz`

DNSSEC	⚠️ Not signed
A	89.221.213.99^{🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.}
NS	`ns.wedos.net` ⭐
		A	2600:9000:a419:5a54:19f7:a614:36fd:2825^{🇺🇸 Amazon2600:9000:a400::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	2600:9000:a705:25bb:c632:5e5a:dd9c:1e46^{🇺🇸 Amazon2600:9000:a700::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	75.2.92.86^{🇺🇸 Amazon75.2.80.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
		A	99.83.142.9^{🇺🇸 Amazon99.83.128.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
NS	`ns.wedos.com`
		A	2a0e:acc0:1::cafe:cafe:cafe^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
		A	45.138.106.0^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
NS	`ns.wedos.cz`
		A	2a0e:acc0:1::caff:caff:cafb^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	2a0e:acc0:2::c:1:c1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	45.138.106.1^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	185.8.238.1^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
NS	`ns.wedos.eu`
		A	2a0e:acc0:2::b:1:b1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
		A	185.8.238.0^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
MX	`wes1-mx1.wedos.net` ⭐
		A	46.28.106.11^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx1.wedos.net`
MX	`wes1-mx2.wedos.net` ⭐
		A	46.28.106.12^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx2.wedos.net`
MX	`wes1-mx-backup.wedos.net`⁽¹⁰⁾
		A	46.28.106.56^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
SOA	`ns.wedos.net`wedos@wedos.com 2022-04-12 #1

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1785358041

Same first word

kco.nl

kco.coffee

kco.kr

kco.us

kco.net

kco.co

kco.pl

kco.it

kco.com.pl

kco.co.kr

kco.info

kco.su

kco.com.tw

kco.katowice.pl

kco.no

kco.cool

kco.dk

kco.com.au

kco.ca

kco.co.jp

kco.cl

kco.hu

kco.cz

kco.at

kco.eu

kco.ie

kco.com

kco.cn

kco.network

Similar names

okc.lv

ock.se

koc.gr

cok.cool

cok.at

okc.hu

cok.jp

koc.de

okc.co

ock.co.kr

koc.investments

cok.pl

cko.net

koc.technology

cko.by

koc.community

koc.biz

ock.lv

koc.enterprises

ock.hu

koc.band

ock.kiev.ua

cok.ru

cok.com.pl

ock.dk

koc.digital

ock.gov.pl

cko.nu

koc.com

koc.se

okc.ch

cko.ru

ock.co.jp

koc.es

koc.co.uk

cok.me

cko.us

koc.com.cn

cok.dk

koc.hu

okc.cool

ock.ma

cok.com

koc.com.uy

cko.org

koc.energy

okc.dk

ock.kr

ock.ir

koc.asia

okc.ws

koc.media

koc.ch

cko.dk

cko.ca

koc.it

koc.or.kr

okc.com.tr

koc.sk

ock.pl

koc.email

okc.in

koc.careers

okc.net

cko.edu.me

koc.ne.jp

koc.tokyo

koc.ventures

okc.media

okc.fr

okc.de

ock.in

koc.or.jp

okc.services

cko.de

okc.co.uk

ock.ch

koc.university

okc.apartments

ock.com.tr

okc.gov

koc.by

koc.mba

cok.cz

cok.center

cko.be

ock.olsztyn.pl

cko.fr

ock.com.my

DNS History

20 records (8 active, 12 former)

○NSns.forpsi.cn2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 02:59:56
○ 2015-08-21 09:41:40
○ 2026-07-29 21:21:48

○NSns.forpsi.cz2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 02:59:56
○ 2015-08-21 09:41:40
○ 2026-07-29 21:21:48

○NSns.forpsi.net2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 02:59:56
○ 2015-08-21 09:41:40
○ 2026-07-29 21:21:48

○NSns.forpsi.us2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 02:59:56
○ 2015-08-21 09:41:40
○ 2026-07-29 21:21:48

○NSns.kraxnet.com2015-08-21 → 2016-12-16 · 5 obs

○ 2009-01-16 02:59:56
● 2015-08-21 09:41:40
● 2016-12-16 10:25:46
○ 2021-03-01 04:31:50
○ 2026-07-29 21:21:48

○NSns.kraxnet.cz2015-08-21 → 2016-12-16 · 5 obs

○ 2009-01-16 02:59:56
● 2015-08-21 09:41:40
● 2016-12-16 10:25:46
○ 2021-03-01 04:31:50
○ 2026-07-29 21:21:48

●NSns.wedos.com2021-03-01 → 2026-07-29 · 6 obs

○ 2016-12-16 10:25:46
● 2021-03-01 04:31:50
● 2026-03-26 10:52:16
○ 2026-04-10 04:44:42
● 2026-07-10 02:49:28
● 2026-07-29 21:21:48

●NSns.wedos.cz2021-03-01 → 2026-07-29 · 6 obs

○ 2016-12-16 10:25:46
● 2021-03-01 04:31:50
● 2026-03-26 10:52:16
○ 2026-04-10 04:44:42
● 2026-07-10 02:49:28
● 2026-07-29 21:21:48

●NSns.wedos.eu2021-03-01 → 2026-07-29 · 6 obs

○ 2016-12-16 10:25:46
● 2021-03-01 04:31:50
● 2026-03-26 10:52:16
○ 2026-04-10 04:44:42
● 2026-07-10 02:49:28
● 2026-07-29 21:21:48

●NSns.wedos.net2021-03-01 → 2026-07-29 · 6 obs

○ 2016-12-16 10:25:46
● 2021-03-01 04:31:50
● 2026-03-26 10:52:16
○ 2026-04-10 04:44:42
● 2026-07-10 02:49:28
● 2026-07-29 21:21:48

○MXmx.kco.cz2015-08-21 → 2016-12-16 · 5 obs

○ 2009-01-16 02:59:56
● 2015-08-21 09:41:40
● 2016-12-16 10:25:46
○ 2021-03-01 04:31:50
○ 2026-07-29 21:21:48

○MXmxavas.forpsi.com2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 02:59:56
○ 2015-08-21 09:41:40
○ 2026-07-29 21:21:48

●MXwes1-mx-backup.wedos.net2021-03-01 → 2026-07-29 · 6 obs

○ 2016-12-16 10:25:46
● 2021-03-01 04:31:50
● 2026-03-26 10:52:16
○ 2026-04-10 04:44:42
● 2026-07-10 02:49:28
● 2026-07-29 21:21:48

●MXwes1-mx1.wedos.net2021-03-01 → 2026-07-29 · 6 obs

○ 2016-12-16 10:25:46
● 2021-03-01 04:31:50
● 2026-03-26 10:52:16
○ 2026-04-10 04:44:42
● 2026-07-10 02:49:28
● 2026-07-29 21:21:48

●MXwes1-mx2.wedos.net2021-03-01 → 2026-07-29 · 6 obs

○ 2016-12-16 10:25:46
● 2021-03-01 04:31:50
● 2026-03-26 10:52:16
○ 2026-04-10 04:44:42
● 2026-07-10 02:49:28
● 2026-07-29 21:21:48

○A178.217.244.352016-05-06 → 2016-12-16 · 5 obs

○ 2016-02-20 07:15:26
● 2016-05-06 17:40:42
● 2016-12-16 10:25:46
○ 2021-03-01 04:31:50
○ 2026-07-29 21:21:48

○A81.2.194.1502009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 02:59:56
○ 2015-08-21 09:41:40
○ 2026-07-29 21:21:48

○A82.113.55.1262015-08-21 → 2016-02-20 · 5 obs

○ 2009-01-16 02:59:56
● 2015-08-21 09:41:40
● 2016-02-20 07:15:26
○ 2016-05-06 17:40:42
○ 2026-07-29 21:21:48

○A82.113.55.912015-08-21 → 2016-02-20 · 5 obs

○ 2009-01-16 02:59:56
● 2015-08-21 09:41:40
● 2016-02-20 07:15:26
○ 2016-05-06 17:40:42
○ 2026-07-29 21:21:48

●A89.221.213.992021-03-01 → 2026-07-29 · 6 obs

○ 2016-12-16 10:25:46
● 2021-03-01 04:31:50
● 2026-03-26 10:52:16
○ 2026-04-10 04:44:42
● 2026-07-10 02:49:28
● 2026-07-29 21:21:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
kco.cz	ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net	4 records

✅ Authoritative Response

Server:45.138.106.0

NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kco.cz (unsigned zone)

⏱️ Timing

Total: 994ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.221.213.99`
NS	4	`ns.wedos.net, ns.wedos.cz...`
MX	3	`wes1-mx1.wedos.net (pri: 1), wes1-mx2.wedos.net (pri: 1)...`
SOA	1	`ns.wedos.net wedos.wedos.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)

Analysis

IP Addresses

kco.cz has exactly one IP address — 89.221.213.99.

khe.cz, gtu.cz, ezl.cz plus two other host names have IP numbers in common with kco.cz.

Name Servers

Four name servers handle the delegation for kco.cz: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.

kco.cz partially shares its NS delegation with several other domains, including stamin.eu, mipoint.cz, dentum.cz and two others.

Host names with four IP addresses:

ns.wedos.cz maps to the following IP addresses: 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.

ns.wedos.net maps to the following IP addresses: 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.

Host names pointing to two IP addresses:

ns.wedos.com points to 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.

ns.wedos.eu points to 185.8.238.0 and 2a0e:acc0:2::b:1:b1.

Mail Servers

kco.cz uses three mail servers — wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net.

At least some of the mail servers used by kco.cz are shared with other domains: xdk.cz, aquares.cz, realitysnadno.cz and two others among them.

wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net each resolve to a single IP address: wes1-mx-backup.wedos.net resolves to 46.28.106.56, wes1-mx1.wedos.net resolves to 46.28.106.11 and wes1-mx2.wedos.net resolves to 46.28.106.12.

kco.cz - robtex.com

kco.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`kco.cz`

`cz`