`vsis.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a0e:acc0::d22^{🇨🇿 WEDOS-GLOBAL2a0e:acc0::/48}
		PTR	`domain-default.wedos.global`
A	185.8.237.22^{🇨🇿 WEDOS-GLOBAL185.8.237.0/24 WEDOS Global}
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`
SOA	`ns.wedos.net`wedos@wedos.com 2026-04-10 #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=1776143852

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DNS History

14 records (6 active, 8 former)

●NSns.wedos.com2016-02-12 → 2026-04-14 · 3 obs

○ 2015-11-25 05:29:00
● 2016-02-12 18:18:46
● 2026-04-14 05:56:22

●NSns.wedos.cz2016-02-12 → 2026-04-14 · 3 obs

○ 2015-11-25 05:29:00
● 2016-02-12 18:18:46
● 2026-04-14 05:56:22

●NSns.wedos.eu2016-02-12 → 2026-04-14 · 3 obs

○ 2015-11-25 05:29:00
● 2016-02-12 18:18:46
● 2026-04-14 05:56:22

●NSns.wedos.net2016-02-12 → 2026-04-14 · 3 obs

○ 2015-11-25 05:29:00
● 2016-02-12 18:18:46
● 2026-04-14 05:56:22

○NSns1.ignum.com2015-08-10 → 2015-11-25 · 4 obs

● 2015-08-10 02:03:12
● 2015-11-25 05:29:00
○ 2016-02-12 18:18:46
○ 2026-04-14 05:56:22

○NSns2.ignum.cz2015-08-10 → 2015-11-25 · 4 obs

● 2015-08-10 02:03:12
● 2015-11-25 05:29:00
○ 2016-02-12 18:18:46
○ 2026-04-14 05:56:22

○MXmail.spsostrov.cz2015-08-10 → 2015-11-25 · 4 obs

● 2015-08-10 02:03:12
● 2015-11-25 05:29:00
○ 2016-02-12 18:18:46
○ 2026-04-14 05:56:22

○MXwes1-mx1.wedos.net2016-02-12 → 2016-07-08 · 5 obs

○ 2015-11-25 05:29:00
● 2016-02-12 18:18:46
● 2016-07-08 19:51:50
○ 2026-03-27 12:20:14
○ 2026-04-14 05:56:22

○MXwes1-mx2.wedos.net2016-02-12 → 2016-07-08 · 5 obs

○ 2015-11-25 05:29:00
● 2016-02-12 18:18:46
● 2016-07-08 19:51:50
○ 2026-03-27 12:20:14
○ 2026-04-14 05:56:22

●A185.8.237.222026-03-27 → 2026-04-14 · 3 obs

○ 2016-07-08 19:51:50
● 2026-03-27 12:20:14
● 2026-04-14 05:56:22

○A2a02:2b88:1:4::872016-02-12 → 2016-07-08 · 5 obs

○ 2015-11-25 05:29:00
● 2016-02-12 18:18:46
● 2016-07-08 19:51:50
○ 2026-03-27 12:20:14
○ 2026-04-14 05:56:22

●A2a0e:acc0::d222026-03-27 → 2026-04-14 · 3 obs

○ 2016-07-08 19:51:50
● 2026-03-27 12:20:14
● 2026-04-14 05:56:22

○A46.28.105.1442016-02-12 → 2016-07-08 · 5 obs

○ 2015-11-25 05:29:00
● 2016-02-12 18:18:46
● 2016-07-08 19:51:50
○ 2026-03-27 12:20:14
○ 2026-04-14 05:56:22

○A89.185.239.552015-08-10 → 2015-11-25 · 4 obs

● 2015-08-10 02:03:12
● 2015-11-25 05:29:00
○ 2016-02-12 18:18:46
○ 2026-04-14 05:56:22

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.8.238.0

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 770ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.8.237.22`
AAAA	1	`2a0e:acc0::d22`
NS	4	`ns.wedos.net, ns.wedos.cz...`
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

vsis.cz has two IP numbers: 2a0e:acc0::d22 and 185.8.237.22.

Other host names, for instance tunneldesigner.com, video360.cz, isleep.cz, hrubyj.cz and revers.cz share IP numbers with vsis.cz.

Name Servers

vsis.cz delegates to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.

vsis.cz at least partially shares name servers with other domains, including vsquared.cz, basnickyksvatku.cz, petrkohout.eu, knips.cz and lukaskoci.cz.

Four IPs for hostnames:

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; 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.

Two IPs for hostnames:

ns.wedos.com points to 2a0e:acc0:1::cafe:cafe:cafe and 45.138.106.0; ns.wedos.eu points to 2a0e:acc0:2::b:1:b1 and 185.8.238.0.

vsis.cz - robtex.com

vsis.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

`vsis.cz`

`cz`