`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.net`tech@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.us`admin@tldns.godaddy serial=1778495652

Same first word

Similar names

baseknowledge.com

knolwedgebase.com

DNS History

8 records (4 active, 4 former)

○NSns.virtual-agency.net2015-07-12 → 2016-03-14 · 4 obs

● 2015-07-12 09:58:00
● 2016-03-14 18:50:20
○ 2016-07-05 02:46:52
○ 2026-05-11 10:55:30

○NSns1.key-systems.net2015-07-12 → 2016-03-14 · 4 obs

● 2015-07-12 09:58:00
● 2016-03-14 18:50:20
○ 2016-07-05 02:46:52
○ 2026-05-11 10:55:30

●NSns1.rrpproxy.net2016-07-05 → 2026-05-11 · 3 obs

○ 2016-03-14 18:50:20
● 2016-07-05 02:46:52
● 2026-05-11 10:55:30

○NSns2.key-systems.net2015-07-12 → 2016-03-14 · 4 obs

● 2015-07-12 09:58:00
● 2016-03-14 18:50:20
○ 2016-07-05 02:46:52
○ 2026-05-11 10:55:30

●NSns2.rrpproxy.net2016-07-05 → 2026-05-11 · 3 obs

○ 2016-03-14 18:50:20
● 2016-07-05 02:46:52
● 2026-05-11 10:55:30

○NSns3.key-systems.net2015-07-12 → 2016-03-14 · 4 obs

● 2015-07-12 09:58:00
● 2016-03-14 18:50:20
○ 2016-07-05 02:46:52
○ 2026-05-11 10:55:30

●NSns3.rrpproxy.net2016-07-05 → 2026-05-11 · 3 obs

○ 2016-03-14 18:50:20
● 2016-07-05 02:46:52
● 2026-05-11 10:55:30

●A176.52.246.1242015-07-12 → 2026-05-11 · 2 obs

● 2015-07-12 09:58:00
● 2026-05-11 10:55:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...	-
knowledgebase.us	ns3.rrpproxy.net, ns1.rrpproxy.net, ns2.rrpproxy.net	-

✅ Authoritative Response

Server:193.227.117.226

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: 620ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.52.246.124`
NS	3	`ns3.rrpproxy.net, ns1.rrpproxy.net...`
SOA	1	`ns1.rrpproxy.net tech.rrpproxy.net`

Analysis

IP Addresses

knowledgebase.us resolves to one IP number: 176.52.246.124.

Other host names, for instance shippingcontainers.biz, badeseen.eu, hotelsambodensee.info, businessstrategy.biz and technologytransfer.biz share IP numbers with knowledgebase.us.

Name Servers

knowledgebase.us is delegated to three name servers: ns1.rrpproxy.net, ns2.rrpproxy.net and ns3.rrpproxy.net.

knowledgebase.us at least partially shares name servers with other domains, including megasite.at, ctive.de, linuxcol.com, 13.214.88.in-addr.arpa and browsepedia.com.

These name servers are commonly used with ns4.rrpproxy.net, ns1.dnsres.net, ns2.dnsres.net, ns3.dnsres.net, ns1.domaindiscount24.net and ns1.monikerdns.net.

Host names with two IP numbers:

ns1.rrpproxy.net: 2a04:2b00:14cc::226 and 193.227.117.226

ns2.rrpproxy.net: 2a04:2b00:14dd::226 and 194.50.187.226

ns3.rrpproxy.net: 2a04:2b00:14ee::226 and 194.0.182.226

knowledgebase.us - robtex.com