knowledge-tools.de - dns.ninja

knowledge-tools.de

DNSSEC⚠️ Not signed
A78.46.215.207🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
PTRstatic.207.215.46.78.clients.your-server.de
A78.46.225.107🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
NSns1.stackit.cloud ⭐
A2001:67c:1bc::16🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast
PTRns1.dns.stackit.cloud
A192.174.68.16🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net
PTRns1.dns.stackit.cloud
NSns2.stackit.zone
A2001:67c:10b8::16🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net
PTRns2.dns.stackit.cloud
A176.97.158.16🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net
PTRns2.dns.stackit.cloud
MXmx5.knowledgetools.de ⭐
A46.231.177.197🇩🇪 UNBELIEVABLE-AS46.231.176.0/21 Orange Business Services GmbH
PTRmx5.knowledgetools.de
TXTv=spf1 mx a:mx5.knowledgetools.de -all
SOAns1.stackit.cloudhostmaster@stackit.cloud 2026-05-04 #1

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1780566015

Same first word

knowledge-tools.de
knowledge-tools.com

DNS History

17 records (5 active, 12 former)

20162017201820192020202120222023202420252026NSns1.stackit.cloudns2.stackit.zoneb.ns14.netc.ns14.netdns1.epag.netdns1.knowledgetools.dedns2.epag.netdns5-ktools.unbelievable-machine.netdns5.knowledgetools.dedns6-ktools.unbelievable-machine.netdns6.knowledgetools.deMXmx5.knowledgetools.demx1.knowledgetools.demx2.knowledgetools.deA78.46.215.20778.46.225.107144.76.178.148
○NSb.ns14.net2026-04-06 → 2026-04-06 · 5 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-04-06 16:49:26
○ 2026-05-24 06:21:46
○ 2026-06-04 09:47:46
○NSc.ns14.net2026-04-06 → 2026-04-06 · 5 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-04-06 16:49:26
○ 2026-05-24 06:21:46
○ 2026-06-04 09:47:46
○NSdns1.epag.net2015-08-16 → 2017-09-03 · 4 obs
● 2015-08-16 15:50:58
● 2017-09-03 09:17:36
○ 2026-04-06 02:49:38
○ 2026-06-04 09:47:46
○NSdns1.knowledgetools.de2015-08-16 → 2017-09-03 · 4 obs
● 2015-08-16 15:50:58
● 2017-09-03 09:17:36
○ 2026-04-06 02:49:38
○ 2026-06-04 09:47:46
○NSdns2.epag.net2015-08-16 → 2017-09-03 · 4 obs
● 2015-08-16 15:50:58
● 2017-09-03 09:17:36
○ 2026-04-06 02:49:38
○ 2026-06-04 09:47:46
○NSdns5-ktools.unbelievable-machine.net2026-04-06 → 2026-04-06 · 5 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-04-06 16:49:26
○ 2026-05-24 06:21:46
○ 2026-06-04 09:47:46
○NSdns5.knowledgetools.de2026-04-06 → 2026-04-06 · 5 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-04-06 16:49:26
○ 2026-05-24 06:21:46
○ 2026-06-04 09:47:46
○NSdns6-ktools.unbelievable-machine.net2026-04-06 → 2026-04-06 · 5 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-04-06 16:49:26
○ 2026-05-24 06:21:46
○ 2026-06-04 09:47:46
○NSdns6.knowledgetools.de2026-04-06 → 2026-04-06 · 5 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-04-06 16:49:26
○ 2026-05-24 06:21:46
○ 2026-06-04 09:47:46
●NSns1.stackit.cloud2026-05-24 → 2026-06-04 · 3 obs
○ 2026-04-06 16:49:26
● 2026-05-24 06:21:46
● 2026-06-04 09:47:46
●NSns2.stackit.zone2026-05-24 → 2026-06-04 · 3 obs
○ 2026-04-06 16:49:26
● 2026-05-24 06:21:46
● 2026-06-04 09:47:46
○MXmx1.knowledgetools.de2015-08-16 → 2017-09-03 · 4 obs
● 2015-08-16 15:50:58
● 2017-09-03 09:17:36
○ 2026-04-06 02:49:38
○ 2026-06-04 09:47:46
○MXmx2.knowledgetools.de2015-08-16 → 2017-09-03 · 4 obs
● 2015-08-16 15:50:58
● 2017-09-03 09:17:36
○ 2026-04-06 02:49:38
○ 2026-06-04 09:47:46
●MXmx5.knowledgetools.de2026-04-06 → 2026-06-04 · 3 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-06-04 09:47:46
○A144.76.178.1482015-08-16 → 2017-09-03 · 4 obs
● 2015-08-16 15:50:58
● 2017-09-03 09:17:36
○ 2026-04-06 02:49:38
○ 2026-06-04 09:47:46
●A78.46.215.2072026-04-06 → 2026-06-04 · 3 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-06-04 09:47:46
●A78.46.225.1072026-04-06 → 2026-06-04 · 3 obs
○ 2017-09-03 09:17:36
● 2026-04-06 02:49:38
● 2026-06-04 09:47:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
knowledge-tools.dens1.stackit.cloud, ns2.stackit.zone-

✅ Authoritative Response

Server:176.97.158.16

NS records: ns1.stackit.cloud, ns2.stackit.zone

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-tools.de (unsigned zone)

⏱️ Timing

Total: 1121ms | Queries: -

📄 Records

TypeCountSample Data
A278.46.225.107, 78.46.215.207
NS2ns2.stackit.zone, ns1.stackit.cloud
MX1mx5.knowledgetools.de (pri: 10)
TXT1v=spf1 mx a:mx5.knowledgetools.de -all
SOA1ns1.stackit.cloud hostmaster.stackit.clo

Analysis

IP Addresses

knowledge-tools.de points to two IP numbers: 78.46.215.207 and 78.46.225.107.

Among the host names that share IP numbers with knowledge-tools.de are knowledgetools.ch, static.207.215.46.78.clients.your-server.de, knowledgetools.info and two others.

Name Servers

knowledge-tools.de has two authoritative name servers — ns1.stackit.cloud and ns2.stackit.zone.

knowledge-tools.de has the same name server delegation as a number of other domains, such as knowledgetools.info, fwws.schwarz, telemetry-router.eu01.qa.onstackit.cloud and two more.

knowledge-tools.de has at least partial name server overlap with other domains, such as stackit.rocks, stackit.gg, 166.148.193.in-addr.arpa and two others.

It is common to see these name servers used together with name servers ns1.dns.stackit.cloud and ns2.dns.stackit.cloud.

Both ns1.stackit.cloud and ns2.stackit.zone have two IP addresses each. ns1.stackit.cloud resolves to 192.174.68.16 and 2001:67c:1bc::16; ns2.stackit.zone resolves to 176.97.158.16 and 2001:67c:10b8::16.

Mail Servers

knowledge-tools.de routes its mail through a single mail server, mx5.knowledgetools.de.

knowledge-tools.de has the same mail server arrangement as a number of other domains, for example quinn.knowledgetools.de, knowledgetools.at, knowledgetools.ch and two more.

mx5.knowledgetools.de points to one IP number — 46.231.177.197.