knowledgebase.nu - dns.ninja
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.dkhostmaster@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 | NU zone update: 2026-07-20 23:30:49 +0000 (EPOCH 1784590249) (auto) | ||||||
| TXT | id:48a78afd-0b83-4efa-a27c-8a6f5a4ee3f3 | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1784590304 | ||||||
Subdomains
www.knowledgebase.nu |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.123hotel.dk2015-06-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:23:36
●NSns1.curanet.dk2015-06-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:23:36
●NSns2.curanet.dk2015-06-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:23:36
●A93.191.155.2402026-02-20 → 2026-07-21 · 3 obs
● 2026-02-20 11:10:36
● 2026-07-21 00:23:36
○A94.231.108.2242015-06-17 → 2019-05-02 · 4 obs
● 2019-05-02 04:25:56
○ 2026-02-20 11:10:36
○ 2026-07-21 00:23:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | d.ns.nu, y.ns.nu, c.ns.nu, z.ns.nu... | - |
| knowledgebase.nu | ns1.curanet.dk, ns2.curanet.dk | - |
✅ Authoritative Response
Server:185.25.141.12
NS records: ns1.curanet.dk, ns2.curanet.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1171ms | 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 |
Analysis
Hierarchy
knowledgebase.nu serves as the parent of www.knowledgebase.nu.
IP Addresses
knowledgebase.nu resolves to just one IP address, 93.191.155.240.
Two other host names, along with fremtidsfabrikken.com, auningbadet.dk and kfdenmark.com, also 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 has at least partial name server overlap with other domains, such as mobiloptik.dk, viva-energi.dk, danskeren.dk and two others.
It is common to find these name servers paired with the name servers ns2.123hotel.dk, ns1.itagil.dk, ns2.itagil.dk and ns3.itagil.dk.
ns1.123hotel.dk and ns1.curanet.dk both direct to 185.25.141.12 and 2a02:2339:4006:108::123, while ns2.curanet.dk directs to 91.197.248.75 and 2a02:2339:1:10f::123:123; all three hostnames resolve to two IP numbers.
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.