`ckvalaska.cz`

DNSSEC	⚠️ Not signed
A	217.198.127.118^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
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`
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`
MX	`kerio.ckvalaska.cz` ⭐
MX	`mx1d10.thinline.cz`⁽³⁰⁾
		A	2001:67c:e94:0:1:5bef:c80e:1^{AS606062001:67c:e94::/48}
			PTR	`mx1d10.thinline.cz`
		A	91.239.200.14^{🇨🇿 AS6060691.239.200.0/23}
			PTR	`mx1d10.thinline.cz`
MX	`mx1b20.thinline.cz`⁽⁴⁰⁾
		A	2001:4de8:fa22:0:1:5264:603:1^{🇨🇿 AS292082001:4de8::/32}
			PTR	`mx1b20.thinline.cz`
		A	82.100.6.3^{🇨🇿 AS2920882.100.0.0/18}
			PTR	`mx1b20.thinline.cz`
TXT	`ptxmq65v39ppmhyglrlzxk5m1b945r6r`
TXT	`v=spf1 a mx include:spf.inext.cz ~all`
SOA	`ns.wedos.com`wedos@wedos.com 2026-05-07 #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=1778809636

Subdomains

www.ckvalaska.cz

Same first word

ckvalaska.cz

DNS History

20 records (8 active, 12 former)

○NSdns.telecentrum.cz2015-06-01 → 2015-10-21 · 4 obs

● 2015-06-01 12:31:02
● 2015-10-21 02:39:30
○ 2015-11-23 06:56:48
○ 2026-05-15 02:16:10

○NSdns2.telecentrum.cz2015-06-01 → 2015-10-21 · 4 obs

● 2015-06-01 12:31:02
● 2015-10-21 02:39:30
○ 2015-11-23 06:56:48
○ 2026-05-15 02:16:10

○NSdns3.telecentrum.cz2015-06-01 → 2015-10-21 · 4 obs

● 2015-06-01 12:31:02
● 2015-10-21 02:39:30
○ 2015-11-23 06:56:48
○ 2026-05-15 02:16:10

●NSns.wedos.com2026-05-15 → 2026-05-15 · 3 obs

○ 2026-03-18 02:15:42
● 2026-05-15 02:16:06
● 2026-05-15 02:16:10

●NSns.wedos.cz2026-05-15 → 2026-05-15 · 3 obs

○ 2026-03-18 02:15:42
● 2026-05-15 02:16:06
● 2026-05-15 02:16:10

●NSns.wedos.eu2026-05-15 → 2026-05-15 · 3 obs

○ 2026-03-18 02:15:42
● 2026-05-15 02:16:06
● 2026-05-15 02:16:10

●NSns.wedos.net2026-05-15 → 2026-05-15 · 3 obs

○ 2026-03-18 02:15:42
● 2026-05-15 02:16:06
● 2026-05-15 02:16:10

○NSns1.tvadomena.cz2015-11-23 → 2026-03-18 · 5 obs

○ 2015-10-21 02:39:30
● 2015-11-23 06:56:48
● 2026-03-18 02:15:42
○ 2026-05-15 02:16:06
○ 2026-05-15 02:16:10

○NSns2.tvadomena.cz2015-11-23 → 2026-03-18 · 5 obs

○ 2015-10-21 02:39:30
● 2015-11-23 06:56:48
● 2026-03-18 02:15:42
○ 2026-05-15 02:16:06
○ 2026-05-15 02:16:10

○MXdns2.telecentrum.cz2015-06-01 → 2015-10-21 · 4 obs

● 2015-06-01 12:31:02
● 2015-10-21 02:39:30
○ 2015-11-23 06:56:48
○ 2026-05-15 02:16:10

●MXkerio.ckvalaska.cz2026-05-15 → 2026-05-15 · 3 obs

○ 2026-03-18 02:15:42
● 2026-05-15 02:16:06
● 2026-05-15 02:16:10

○MXmx.inext.cz2026-03-18 → 2026-03-18 · 4 obs

○ 2016-12-21 08:18:34
● 2026-03-18 02:15:42
○ 2026-05-15 02:16:06
○ 2026-05-15 02:16:10

○MXmx.numeri.cz2016-03-02 → 2016-12-21 · 5 obs

○ 2015-11-23 06:56:48
● 2016-03-02 03:58:56
● 2016-12-21 08:18:34
○ 2026-03-18 02:15:42
○ 2026-05-15 02:16:10

●MXmx1b20.thinline.cz2026-05-15 → 2026-05-15 · 3 obs

○ 2026-03-18 02:15:42
● 2026-05-15 02:16:06
● 2026-05-15 02:16:10

●MXmx1d10.thinline.cz2026-05-15 → 2026-05-15 · 3 obs

○ 2026-03-18 02:15:42
● 2026-05-15 02:16:06
● 2026-05-15 02:16:10

○MXrelay1.inext.cz2015-11-23 → 2026-03-18 · 5 obs

○ 2015-10-21 02:39:30
● 2015-11-23 06:56:48
● 2026-03-18 02:15:42
○ 2026-05-15 02:16:06
○ 2026-05-15 02:16:10

○MXsrv.telecentrum.cz2015-06-01 → 2015-11-23 · 4 obs

● 2015-06-01 12:31:02
● 2015-11-23 06:56:48
○ 2016-03-02 03:58:56
○ 2026-05-15 02:16:10

○A212.111.1.152016-03-02 → 2016-12-21 · 5 obs

○ 2015-11-23 06:56:48
● 2016-03-02 03:58:56
● 2016-12-21 08:18:34
○ 2026-03-18 02:15:42
○ 2026-05-15 02:16:10

○A217.11.242.222015-06-01 → 2015-11-23 · 4 obs

● 2015-06-01 12:31:02
● 2015-11-23 06:56:48
○ 2016-03-02 03:58:56
○ 2026-05-15 02:16:10

●A217.198.127.1182026-03-18 → 2026-05-15 · 3 obs

○ 2016-12-21 08:18:34
● 2026-03-18 02:15:42
● 2026-05-15 02:16:10

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.8.238.0

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ckvalaska.cz (unsigned zone)

⏱️ Timing

Total: 1155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.198.127.118`
NS	4	`ns.wedos.net, ns.wedos.cz...`
MX	3	`mx1b20.thinline.cz (pri: 40), kerio.ckvalaska.cz (pri: 10)...`
TXT	2	`v=spf1 a mx include:spf.inext.cz ~all, ptxmq65v39ppmhyglrlzxk5m1b945r6r`
SOA	1	`ns.wedos.com wedos.wedos.com`

📌 Glue Records Collected

Total: 4

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

Analysis

Hierarchy

ckvalaska.cz is the parent of www.ckvalaska.cz.

IP Addresses

ckvalaska.cz points to IP number 217.198.127.118.

Name Servers

ckvalaska.cz is delegated to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.

ckvalaska.cz shares name servers with other domains at least partially, for example tanecnisaty.cz, hermetismus.cz, apartmanhappy.cz, 5n.cz and sailer.cz.

Host names with four IP numbers:

The host name ns.wedos.cz points to: 2a0e:acc0:1::caff:caff:cafb, 2a0e:acc0:2::c:1:c1, 45.138.106.1 and 185.8.238.1.

The host name ns.wedos.net points to: 2600:9000:a419:5a54:19f7:a614:36fd:2825, 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46, 75.2.92.86 and 99.83.142.9.

Host names with two IP numbers:

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

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

Mail Servers

ckvalaska.cz is served by three mail servers: kerio.ckvalaska.cz, mx1b20.thinline.cz and mx1d10.thinline.cz.

ckvalaska.cz shares mail servers with other domains at least partially; for instance k-geo.cz, albit.cz, bskv.cz, realworld.cz and k2studio.sk.

Host names with two IP numbers:

mx1b20.thinline.cz points to 2001:4de8:fa22:0:1:5264:603:1 and 82.100.6.3; mx1d10.thinline.cz points to 2001:67c:e94:0:1:5bef:c80e:1 and 91.239.200.14.

ckvalaska.cz - robtex.com

ckvalaska.cz

cz

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ckvalaska.cz`

`cz`