knowledge-works.de - dns.ninja

knowledge-works.de

DNSSEC⚠️ Not signed
A91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl1.sedo.com ⭐
A91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl2.sedo.com
A91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
MXlocalhost ⭐ 🔒
A::1
A127.0.0.1
TXTv=spf1 -all
SOAsl1.sedo.comhostmaster@sedo.de 2018-05-16 #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=1783674174

Subdomains

mail.knowledge-works.de

Same first word

knowledge-works.org
knowledge-works.co.jp
knowledge-works.com
knowledge-works.de

DNS History

16 records (4 active, 12 former)

20162017201820192020202120222023202420252026NSsl1.sedo.comsl2.sedo.comns1.domainname.atns1.redirectdom.comns1.schwarzmedia-nameserver.dens2.redirectdom.comns2.schwarzmedia-nameserver.dens33.rookdns.comns34.rookdns.comMXlocalhostmail.knowledge-works.demail.mxproc.comA91.195.241.232141.8.224.175176.9.83.22987.106.183.107
○NSns1.domainname.at2016-09-17 → 2017-05-26 · 5 obs
○ 2016-04-05 08:47:10
● 2016-09-17 17:43:46
● 2017-05-26 04:24:20
○ 2026-03-26 17:56:54
○ 2026-07-10 09:29:24
○NSns1.redirectdom.com2016-09-17 → 2017-05-26 · 5 obs
○ 2016-04-05 08:47:10
● 2016-09-17 17:43:46
● 2017-05-26 04:24:20
○ 2026-03-26 17:56:54
○ 2026-07-10 09:29:24
○NSns1.schwarzmedia-nameserver.de2015-06-28 → 2016-01-17 · 4 obs
● 2015-06-28 13:31:46
● 2016-01-17 06:41:56
○ 2016-04-05 08:47:10
○ 2026-07-10 09:29:24
○NSns2.redirectdom.com2016-09-17 → 2017-05-26 · 5 obs
○ 2016-04-05 08:47:10
● 2016-09-17 17:43:46
● 2017-05-26 04:24:20
○ 2026-03-26 17:56:54
○ 2026-07-10 09:29:24
○NSns2.schwarzmedia-nameserver.de2015-06-28 → 2016-01-17 · 4 obs
● 2015-06-28 13:31:46
● 2016-01-17 06:41:56
○ 2016-04-05 08:47:10
○ 2026-07-10 09:29:24
○NSns33.rookdns.com2016-04-05 → 2016-04-05 · 4 obs
○ 2016-01-17 06:41:56
● 2016-04-05 08:47:10
○ 2016-09-17 17:43:46
○ 2026-07-10 09:29:24
○NSns34.rookdns.com2016-04-05 → 2016-04-05 · 4 obs
○ 2016-01-17 06:41:56
● 2016-04-05 08:47:10
○ 2016-09-17 17:43:46
○ 2026-07-10 09:29:24
●NSsl1.sedo.com2026-03-26 → 2026-07-10 · 3 obs
○ 2017-05-26 04:24:20
● 2026-03-26 17:56:54
● 2026-07-10 09:29:24
●NSsl2.sedo.com2026-03-26 → 2026-07-10 · 3 obs
○ 2017-05-26 04:24:20
● 2026-03-26 17:56:54
● 2026-07-10 09:29:24
●MXlocalhost2026-03-26 → 2026-07-10 · 6 obs
○ 2016-09-17 17:43:46
● 2026-03-26 17:56:54
● 2026-04-28 01:39:00
○ 2026-04-28 04:46:42
● 2026-06-15 21:37:02
● 2026-07-10 09:29:24
○MXmail.knowledge-works.de2015-06-28 → 2016-01-17 · 4 obs
● 2015-06-28 13:31:46
● 2016-01-17 06:41:56
○ 2016-04-05 08:47:10
○ 2026-07-10 09:29:24
○MXmail.mxproc.com2016-04-05 → 2016-04-05 · 4 obs
○ 2016-01-17 06:41:56
● 2016-04-05 08:47:10
○ 2016-09-17 17:43:46
○ 2026-07-10 09:29:24
○A141.8.224.1752016-04-05 → 2016-04-05 · 4 obs
○ 2016-01-17 06:41:56
● 2016-04-05 08:47:10
○ 2016-09-17 17:43:46
○ 2026-07-10 09:29:24
○A176.9.83.2292016-09-17 → 2017-05-26 · 5 obs
○ 2016-04-05 08:47:10
● 2016-09-17 17:43:46
● 2017-05-26 04:24:20
○ 2026-03-26 17:56:54
○ 2026-07-10 09:29:24
○A87.106.183.1072015-06-28 → 2016-01-17 · 4 obs
● 2015-06-28 13:31:46
● 2016-01-17 06:41:56
○ 2016-04-05 08:47:10
○ 2026-07-10 09:29:24
●A91.195.241.2322026-03-26 → 2026-07-10 · 3 obs
○ 2017-05-26 04:24:20
● 2026-03-26 17:56:54
● 2026-07-10 09:29:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
knowledge-works.desl2.sedo.com, sl1.sedo.com-

✅ Authoritative Response

Server:91.195.241.173

NS records: sl2.sedo.com, sl1.sedo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 3105ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.241.232
NS2sl2.sedo.com, sl1.sedo.com
MX1localhost (pri: 0)
TXT1v=spf1 -all
SOA1sl1.sedo.com hostmaster.sedo.de

Analysis

Hierarchy

knowledge-works.de serves as the parent of mail.knowledge-works.de.

IP Addresses

knowledge-works.de has exactly one IP address — 91.195.241.232.

hostmaster.138-static.reverse.thepatriots.de, caresafe.eu, soer-fron.lessordinary.eu plus two other host names have IP numbers in common with knowledge-works.de.

Name Servers

knowledge-works.de uses two name servers for its delegation: sl1.sedo.com and sl2.sedo.com.

The name server configuration of knowledge-works.de is shared with other domains, for instance holz-artikel.de, localfun.de, maxwork.eu and two others.

At least some of knowledge-works.de's name servers are also used by other domains, among them g07.co.uk.

sl1.sedo.com directs to 91.195.240.173 and sl2.sedo.com directs to 91.195.241.173; each host name points to exactly one IP number.

Mail Servers

knowledge-works.de uses one mail server — localhost.

The mail server setup of knowledge-works.de matches that of other domains such as techpage.de, yabf.com, yourkitchen.net and two others.

localhost has two IP addresses: 127.0.0.1 and ::1.