knowledgetools.info - dns.ninja

knowledgetools.info

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
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
MXmail.rulemapping.app ⭐
A188.34.67.238🇩🇪 SCHWARZ-IT188.34.64.0/22
PTRmail.rulemapping.app
TXTv=spf1 mx a:mx5.knowledgetools.de a:mail.rulemapping.app ~all
SOAns1.stackit.cloudhostmaster@stackit.cloud 2026-07-02 #2

info

DNSSEC🔒 Signed (DS record present)
NSa0.info.afilias-nst.info ⭐
NSa2.info.afilias-nst.info
NSb0.info.afilias-nst.org ⚠️ Not in parent delegation
NSb2.info.afilias-nst.org ⚠️ Not in parent delegation
NSc0.info.afilias-nst.info
NSd0.info.afilias-nst.org ⚠️ Not in parent delegation
SOAa0.info.afilias-nst.infohostmaster@donuts.email serial=1784584966

Same first word

knowledgetools.at
knowledgetools.com.au
knowledgetools.ch
knowledgetools.info
knowledgetools.com.br
knowledgetools.de

DNS History

22 records (5 active, 17 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.depns.1a-surfen.desns.1a-surfen.deMXmail.rulemapping.appmail-in.1a-surfen.demail.knowledgetools.demx1.knowledgetools.demx2.knowledgetools.demx5.knowledgetools.deA78.46.215.20778.46.225.107144.76.178.148
○NSb.ns14.net2026-04-26 → 2026-04-26 · 4 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
○ 2026-05-15 00:53:52
○ 2026-07-20 22:22:30
○NSc.ns14.net2026-04-26 → 2026-04-26 · 4 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
○ 2026-05-15 00:53:52
○ 2026-07-20 22:22:30
○NSdns1.epag.net2015-11-20 → 2017-05-21 · 5 obs
○ 2015-07-19 12:39:30
● 2015-11-20 01:31:04
● 2017-05-21 10:25:50
○ 2026-04-26 05:56:24
○ 2026-07-20 22:22:30
○NSdns1.knowledgetools.de2015-11-20 → 2017-05-21 · 5 obs
○ 2015-07-19 12:39:30
● 2015-11-20 01:31:04
● 2017-05-21 10:25:50
○ 2026-04-26 05:56:24
○ 2026-07-20 22:22:30
○NSdns2.epag.net2015-11-20 → 2017-05-21 · 5 obs
○ 2015-07-19 12:39:30
● 2015-11-20 01:31:04
● 2017-05-21 10:25:50
○ 2026-04-26 05:56:24
○ 2026-07-20 22:22:30
○NSdns5-ktools.unbelievable-machine.net2026-04-26 → 2026-04-26 · 4 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
○ 2026-05-15 00:53:52
○ 2026-07-20 22:22:30
○NSdns5.knowledgetools.de2026-04-26 → 2026-04-26 · 4 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
○ 2026-05-15 00:53:52
○ 2026-07-20 22:22:30
○NSdns6-ktools.unbelievable-machine.net2026-04-26 → 2026-04-26 · 4 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
○ 2026-05-15 00:53:52
○ 2026-07-20 22:22:30
○NSdns6.knowledgetools.de2026-04-26 → 2026-04-26 · 4 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
○ 2026-05-15 00:53:52
○ 2026-07-20 22:22:30
●NSns1.stackit.cloud2026-05-15 → 2026-07-20 · 3 obs
○ 2026-04-26 05:56:24
● 2026-05-15 00:53:52
● 2026-07-20 22:22:30
●NSns2.stackit.zone2026-05-15 → 2026-07-20 · 3 obs
○ 2026-04-26 05:56:24
● 2026-05-15 00:53:52
● 2026-07-20 22:22:30
○NSpns.1a-surfen.de2015-07-19 → 2015-07-19 · 3 obs
● 2015-07-19 12:39:30
○ 2015-11-20 01:31:04
○ 2026-07-20 22:22:30
○NSsns.1a-surfen.de2015-07-19 → 2015-07-19 · 3 obs
● 2015-07-19 12:39:30
○ 2015-11-20 01:31:04
○ 2026-07-20 22:22:30
○MXmail-in.1a-surfen.de2015-07-19 → 2015-07-19 · 3 obs
● 2015-07-19 12:39:30
○ 2015-11-20 01:31:04
○ 2026-07-20 22:22:30
○MXmail.knowledgetools.de2015-11-20 → 2016-05-09 · 5 obs
○ 2015-07-19 12:39:30
● 2015-11-20 01:31:04
● 2016-05-09 11:56:36
○ 2017-05-21 10:25:50
○ 2026-07-20 22:22:30
●MXmail.rulemapping.app2026-07-20 → 2026-07-20 · 3 obs
○ 2026-06-04 13:51:56
● 2026-07-20 22:22:28
● 2026-07-20 22:22:30
○MXmx1.knowledgetools.de2017-05-21 → 2017-05-21 · 4 obs
○ 2016-05-09 11:56:36
● 2017-05-21 10:25:50
○ 2026-04-26 05:56:24
○ 2026-07-20 22:22:30
○MXmx2.knowledgetools.de2017-05-21 → 2017-05-21 · 4 obs
○ 2016-05-09 11:56:36
● 2017-05-21 10:25:50
○ 2026-04-26 05:56:24
○ 2026-07-20 22:22:30
○MXmx5.knowledgetools.de2026-04-26 → 2026-06-04 · 5 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
● 2026-06-04 13:51:56
○ 2026-07-20 22:22:28
○ 2026-07-20 22:22:30
○A144.76.178.1482015-11-20 → 2017-05-21 · 4 obs
● 2015-11-20 01:31:04
● 2017-05-21 10:25:50
○ 2026-04-26 05:56:24
○ 2026-07-20 22:22:30
●A78.46.215.2072026-04-26 → 2026-07-20 · 3 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
● 2026-07-20 22:22:30
●A78.46.225.1072026-04-26 → 2026-07-20 · 3 obs
○ 2017-05-21 10:25:50
● 2026-04-26 05:56:24
● 2026-07-20 22:22:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoa0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info-
knowledgetools.infons1.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 knowledgetools.info (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

TypeCountSample Data
A278.46.225.107, 78.46.215.207
NS2ns2.stackit.zone, ns1.stackit.cloud
MX1mail.rulemapping.app (pri: 10)
TXT1v=spf1 mx a:mx5.knowledgetools.de a:mail
SOA1ns1.stackit.cloud hostmaster.stackit.clo

Analysis

IP Addresses

knowledgetools.info points to the IP addresses 78.46.215.207 and 78.46.225.107

knowledgetools.at, knowledgetools.ch, static.207.215.46.78.clients.your-server.de plus two other host names have IP numbers in common with knowledgetools.info.

Name Servers

Two name servers handle the delegation for knowledgetools.info: ns1.stackit.cloud and ns2.stackit.zone.

The name server configuration of knowledgetools.info is shared with other domains, for instance git.onstackit.cloud, hoffe-tv.de, formcentric.com and two others.

There is at least partial name server overlap between knowledgetools.info and other domains — 166.148.193.in-addr.arpa, stackit.run, secio.com and two more among them.

These name servers frequently co-occur with the name servers ns1.dns.stackit.cloud and ns2.dns.stackit.cloud.

ns1.stackit.cloud and ns2.stackit.zone both carry two IP addresses. The A records for ns1.stackit.cloud are 192.174.68.16 and 2001:67c:1bc::16; the A records for ns2.stackit.zone are 176.97.158.16 and 2001:67c:10b8::16.

Mail Servers

knowledgetools.info uses one mail server — mail.rulemapping.app.

The mail server setup of knowledgetools.info is identical to that of domains like rulemapping.app, complexcontracts.de and knowledgetools.de.

mail.rulemapping.app carries a single IP number, which is 188.34.67.238.