knowledgebase.us - dns.ninja
knowledgebase.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 176.52.246.124🇩🇪 MITTWALD-AS176.52.240.0/21 Mittwald CM Service GmbH und Co. KG | ||||||
| PTR | r4032.agenturserver.it | ||||||
| NS | ns1.rrpproxy.net ⭐ | ||||||
| A | 2a04:2b00:14cc::226🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48 | ||||||
| PTR | ns1.rrpproxy.net | ||||||
| A | 193.227.117.226🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24 | ||||||
| PTR | ns1.rrpproxy.net | ||||||
| NS | ns2.rrpproxy.net | ||||||
| A | 2a04:2b00:14dd::226🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48 | ||||||
| PTR | ns2.rrpproxy.net | ||||||
| A | 194.50.187.226🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24 | ||||||
| PTR | ns2.rrpproxy.net | ||||||
| NS | ns3.rrpproxy.net | ||||||
| A | 2a04:2b00:14ee::226🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14ee::/48 | ||||||
| PTR | ns3.rrpproxy.net | ||||||
| A | 194.0.182.226🇩🇪 RCODEZERO-ANYCAST-SEC2194.0.182.0/24 | ||||||
| PTR | ns3.rrpproxy.net | ||||||
| SOA | ns1.rrpproxy.nettech@rrpproxy.net 2016-03-23 #0 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1781484014 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSns.virtual-agency.net2015-07-12 → 2016-03-14 · 4 obs
● 2016-03-14 18:50:20
○ 2016-07-05 02:46:52
○ 2026-06-15 01:18:40
○NSns1.key-systems.net2015-07-12 → 2016-03-14 · 4 obs
● 2016-03-14 18:50:20
○ 2016-07-05 02:46:52
○ 2026-06-15 01:18:40
●NSns1.rrpproxy.net2016-07-05 → 2026-06-15 · 3 obs
● 2016-07-05 02:46:52
● 2026-06-15 01:18:40
○NSns2.key-systems.net2015-07-12 → 2016-03-14 · 4 obs
● 2016-03-14 18:50:20
○ 2016-07-05 02:46:52
○ 2026-06-15 01:18:40
●NSns2.rrpproxy.net2016-07-05 → 2026-06-15 · 3 obs
● 2016-07-05 02:46:52
● 2026-06-15 01:18:40
○NSns3.key-systems.net2015-07-12 → 2016-03-14 · 4 obs
● 2016-03-14 18:50:20
○ 2016-07-05 02:46:52
○ 2026-06-15 01:18:40
●NSns3.rrpproxy.net2016-07-05 → 2026-06-15 · 3 obs
● 2016-07-05 02:46:52
● 2026-06-15 01:18:40
●A176.52.246.1242015-07-12 → 2026-06-15 · 2 obs
● 2026-06-15 01:18:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, w.cctld.us, x.cctld.us, n.cctld.us... | - |
| knowledgebase.us | ns3.rrpproxy.net, ns1.rrpproxy.net, ns2.rrpproxy.net | - |
✅ Authoritative Response
Server:194.0.182.226
NS records: ns3.rrpproxy.net, ns1.rrpproxy.net, ns2.rrpproxy.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledgebase.us (unsigned zone)
⏱️ Timing
Total: 527ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.52.246.124 |
| NS | 3 | ns1.rrpproxy.net, ns2.rrpproxy.net... |
| SOA | 1 | ns1.rrpproxy.net tech.rrpproxy.net |
Analysis
IP Addresses
knowledgebase.us resolves to one IP address: 176.52.246.124.
shippingcontainers.biz, badeseen.eu, hotelsambodensee.info and two other host names share IP numbers with knowledgebase.us.
Name Servers
knowledgebase.us has three name servers — ns1.rrpproxy.net, ns2.rrpproxy.net and ns3.rrpproxy.net.
At least some of knowledgebase.us's name servers are shared with other domains, for example megasite.at, ctive.de, h2te.com and two more.
These name servers tend to co-occur with ns4.rrpproxy.net, ns1.dnsres.net, ns2.dnsres.net and 3 other name servers in the same DNS delegations.
Each of ns1.rrpproxy.net, ns2.rrpproxy.net and ns3.rrpproxy.net points to two IP numbers. ns1.rrpproxy.net points to 193.227.117.226 and 2a04:2b00:14cc::226. ns2.rrpproxy.net points to 194.50.187.226 and 2a04:2b00:14dd::226. ns3.rrpproxy.net points to 194.0.182.226 and 2a04:2b00:14ee::226.