`knowledgebase.nu`

DNSSEC	🔒 Signed (DS record present)
A	93.191.155.240^{🇩🇰 team-blue-denmark93.191.152.0/21 ZITCOM A/S}
		PTR	`forward.dnsfactory.dk`
NS	`ns1.123hotel.dk` ⭐
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns1.curanet.dk`
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns2.curanet.dk`
		A	2a02:2339:1:10f::123:123^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.curanet.dk`
		A	91.197.248.75^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.curanet.dk`
SOA	`ns1.123hotel.dk`hostmaster@curanet.dk 2025-09-15 #1

`nu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.nu` ⭐
	NS	`a.ns.nu`
	NS	`c.ns.nu`
	NS	`d.ns.nu`
	NS	`m.ns.nu`
	NS	`y.ns.nu`
	NS	`z.ns.nu`
	TXT	`id:677d435c-b4f6-4a9a-b626-f247432901d2`
	TXT	`NU zone update: 2026-07-04 19:11:04 +0000 (EPOCH 1783192264) (auto)`
	SOA	`catcher-in-the-rye.nic.nu`hostmaster@nic.nu serial=1783192322

Subdomains

www.knowledgebase.nu

Same first word

Similar names

baseknowledge.com

knolwedgebase.com

DNS History

5 records (4 active, 1 former)

●NSns1.123hotel.dk2015-06-17 → 2026-07-04 · 2 obs

● 2015-06-17 10:00:28
● 2026-07-04 19:28:52

●NSns1.curanet.dk2015-06-17 → 2026-07-04 · 2 obs

● 2015-06-17 10:00:28
● 2026-07-04 19:28:52

●NSns2.curanet.dk2015-06-17 → 2026-07-04 · 2 obs

● 2015-06-17 10:00:28
● 2026-07-04 19:28:52

●A93.191.155.2402026-02-20 → 2026-07-04 · 3 obs

○ 2019-05-02 04:25:56
● 2026-02-20 11:10:36
● 2026-07-04 19:28:52

○A94.231.108.2242015-06-17 → 2019-05-02 · 4 obs

● 2015-06-17 10:00:28
● 2019-05-02 04:25:56
○ 2026-02-20 11:10:36
○ 2026-07-04 19:28:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nu	z.ns.nu, y.ns.nu, a.ns.nu, d.ns.nu...	12 records
knowledgebase.nu	ns1.curanet.dk, ns2.curanet.dk	-

✅ Authoritative Response

Server:91.197.248.75

NS records: ns1.curanet.dk, ns2.curanet.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1364ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.191.155.240`
NS	2	`ns1.curanet.dk, ns2.curanet.dk`
SOA	1	`ns1.123hotel.dk hostmaster.curanet.dk`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.ns.nu, c.ns.nu, d.ns.nu...)

Analysis

Hierarchy

knowledgebase.nu is a parent domain of www.knowledgebase.nu.

IP Addresses

knowledgebase.nu points to a single IP number: 93.191.155.240.

Additional host names — fremtidsfabrikken.com, auningbadet.dk, kfdenmark.com and two others — share IP numbers with knowledgebase.nu.

Name Servers

knowledgebase.nu is served by three name servers: ns1.123hotel.dk, ns1.curanet.dk and ns2.curanet.dk.

knowledgebase.nu shares at least some of its name servers with other domains, including mobiloptik.dk, viva-energi.dk, danskeren.dk and two others.

These name servers are frequently seen alongside the name servers ns2.123hotel.dk, ns1.itagil.dk, ns2.itagil.dk and ns3.itagil.dk.

ns1.123hotel.dk, ns1.curanet.dk and ns2.curanet.dk each resolve to two IP addresses: ns1.123hotel.dk points to 185.25.141.12 and 2a02:2339:4006:108::123; ns1.curanet.dk points to 185.25.141.12 and 2a02:2339:4006:108::123; ns2.curanet.dk points to 91.197.248.75 and 2a02:2339:1:10f::123:123.

ns1.123hotel.dk and ns1.curanet.dk each have 2a02:2339:4006:108::123 IP addresses.

ns1.123hotel.dk and ns1.curanet.dk each have 185.25.141.12 IP addresses.

knowledgebase.nu - robtex.com