`wikiknihy.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2011::5^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.211^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1774534359

`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=1776154635

Same first word

wikiknihy.cz

DNS History

25 records (5 active, 20 former)

○NSalfa.ns.active24.cz2018-03-26 → 2026-03-15 · 5 obs

○ 2016-11-09 10:30:26
● 2018-03-26 18:39:28
● 2026-03-15 18:38:16
○ 2026-04-04 05:38:24
○ 2026-04-14 08:51:36

○NSbeta.ns.active24.cz2018-03-26 → 2026-03-15 · 5 obs

○ 2016-11-09 10:30:26
● 2018-03-26 18:39:28
● 2026-03-15 18:38:16
○ 2026-04-04 05:38:24
○ 2026-04-14 08:51:36

○NSgama.ns.active24.sk2018-03-26 → 2026-03-15 · 5 obs

○ 2016-11-09 10:30:26
● 2018-03-26 18:39:28
● 2026-03-15 18:38:16
○ 2026-04-04 05:38:24
○ 2026-04-14 08:51:36

○NSns0.wikimedia.org2015-08-01 → 2016-11-09 · 4 obs

● 2015-08-01 08:33:42
● 2016-11-09 10:30:26
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

●NSns1.websupport.cz2026-04-04 → 2026-04-14 · 3 obs

○ 2026-03-15 18:38:16
● 2026-04-04 05:38:24
● 2026-04-14 08:51:36

○NSns1.wikimedia.org2015-08-01 → 2016-11-09 · 4 obs

● 2015-08-01 08:33:42
● 2016-11-09 10:30:26
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

●NSns2.websupport.cz2026-04-04 → 2026-04-14 · 3 obs

○ 2026-03-15 18:38:16
● 2026-04-04 05:38:24
● 2026-04-14 08:51:36

○NSns2.wikimedia.org2015-08-01 → 2016-11-09 · 4 obs

● 2015-08-01 08:33:42
● 2016-11-09 10:30:26
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

●NSns3.websupport.eu2026-04-04 → 2026-04-14 · 3 obs

○ 2026-03-15 18:38:16
● 2026-04-04 05:38:24
● 2026-04-14 08:51:36

○MXlead.wikimedia.org2015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 08:33:42
○ 2015-12-01 17:57:58
○ 2026-04-14 08:51:36

○MXmx1001.wikimedia.org2015-12-01 → 2026-02-15 · 5 obs

○ 2015-08-01 08:33:42
● 2015-12-01 17:57:58
● 2026-02-15 23:05:32
○ 2026-02-22 06:22:46
○ 2026-04-14 08:51:36

○MXmx2001.wikimedia.org2015-12-01 → 2026-02-15 · 5 obs

○ 2015-08-01 08:33:42
● 2015-12-01 17:57:58
● 2026-02-15 23:05:32
○ 2026-02-22 06:22:46
○ 2026-04-14 08:51:36

○MXpolonium.wikimedia.org2015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 08:33:42
○ 2015-12-01 17:57:58
○ 2026-04-14 08:51:36

○A198.35.26.962015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 08:33:42
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

○A208.80.153.2242016-10-05 → 2016-10-05 · 4 obs

○ 2016-04-27 17:11:02
● 2016-10-05 13:47:24
○ 2016-11-09 10:30:26
○ 2026-04-14 08:51:36

○A208.80.154.2242015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 08:33:42
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

○A2620:0:860:ed1a::12016-10-05 → 2016-10-05 · 4 obs

○ 2016-04-27 17:11:02
● 2016-10-05 13:47:24
○ 2016-11-09 10:30:26
○ 2026-04-14 08:51:36

○A2620:0:861:ed1a::12015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 08:33:42
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

○A2620:0:862:ed1a::12015-08-01 → 2016-11-09 · 6 obs

● 2015-08-01 08:33:42
● 2016-04-27 17:11:02
○ 2016-10-05 13:47:24
● 2016-11-09 10:30:26
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

○A2620:0:863:ed1a::12015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 08:33:42
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

●A2a00:4b40:aaaa:2011::52026-04-04 → 2026-04-14 · 3 obs

○ 2026-03-15 18:38:16
● 2026-04-04 05:38:24
● 2026-04-14 08:51:36

○A2a02:4a8:ac24:102::96:752018-03-26 → 2026-03-15 · 5 obs

○ 2016-11-09 10:30:26
● 2018-03-26 18:39:28
● 2026-03-15 18:38:16
○ 2026-04-04 05:38:24
○ 2026-04-14 08:51:36

●A37.9.175.2112026-04-04 → 2026-04-14 · 3 obs

○ 2026-03-15 18:38:16
● 2026-04-04 05:38:24
● 2026-04-14 08:51:36

○A81.95.96.752018-03-26 → 2026-03-15 · 5 obs

○ 2016-11-09 10:30:26
● 2018-03-26 18:39:28
● 2026-03-15 18:38:16
○ 2026-04-04 05:38:24
○ 2026-04-14 08:51:36

○A91.198.174.1922015-08-01 → 2016-11-09 · 6 obs

● 2015-08-01 08:33:42
● 2016-04-27 17:11:02
○ 2016-10-05 13:47:24
● 2016-11-09 10:30:26
○ 2018-03-26 18:39:28
○ 2026-04-14 08:51:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
wikiknihy.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1084ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.211`
AAAA	1	`2a00:4b40:aaaa:2011::5`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

IP Addresses

wikiknihy.cz points to two IPs: 2a00:4b40:aaaa:2011::5 and 37.9.175.211.

Other host names, for instance zs-ujezd.cz, verspey.nl, www.manag-machines.com, sunward.cz and www.bmb-green.cz share IP numbers with wikiknihy.cz.

Name Servers

wikiknihy.cz is delegated to name servers ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

wikiknihy.cz at least partially shares name servers with other domains such as messenger.cz, debethelp.com, rsbp.es, sowo.sk and vas-vos.cz.

Host names with two IP numbers:

ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11.

ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12.

ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13.

wikiknihy.cz - robtex.com

wikiknihy.cz

cz

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`wikiknihy.cz`

`cz`