knowyourstuff.de - robtex.com

knowyourstuff.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
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=1786179235

Same first word

DNS History

5 records (4 active, 1 former)

202120222023202420252026NSsl1.sedo.comsl2.sedo.comMXlocalhostA91.195.241.232109.234.110.254
NSsl1.sedo.com2026-06-17 → 2026-08-08 · 2 obs
● 2026-06-17 20:21:54
● 2026-08-08 08:54:22
NSsl2.sedo.com2026-06-17 → 2026-08-08 · 2 obs
● 2026-06-17 20:21:54
● 2026-08-08 08:54:22
MXlocalhost2026-06-17 → 2026-08-08 · 2 obs
● 2026-06-17 20:21:54
● 2026-08-08 08:54:22
A109.234.110.2542020-01-31 → 2020-01-31 · 3 obs
● 2020-01-31 01:31:10
○ 2026-06-17 20:21:54
○ 2026-08-08 08:54:22
A91.195.241.2322026-06-17 → 2026-08-08 · 3 obs
○ 2020-01-31 01:31:10
● 2026-06-17 20:21:54
● 2026-08-08 08:54:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, a.nic.de, z.nic.de-
knowyourstuff.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 knowyourstuff.de (unsigned zone)

⏱️ Timing

Total: 901ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.241.232
NS2sl1.sedo.com, sl2.sedo.com
MX1localhost (pri: 0)
TXT1v=spf1 -all
SOA1sl1.sedo.com hostmaster.sedo.de

Analysis

IP Addresses

knowyourstuff.de points to a single IP number: 91.195.241.232.

Additional host names — bemala.de, nexxit.de, mail.iterum.de and two others — share IP numbers with knowyourstuff.de.

Name Servers

knowyourstuff.de is served by two delegated name servers, sl1.sedo.com and sl2.sedo.com.

knowyourstuff.de shares its name server setup with other domains, including myphonestore.de, ufo.info, mail.xpzone.de and two others.

The DNS delegation for knowyourstuff.de at least partly coincides with that of other domains, d68.co.uk being one example.

sl1.sedo.com91.195.240.173 and sl2.sedo.com91.195.241.173: one IP number per host name.

Mail Servers

knowyourstuff.de has one mail server: localhost.

knowyourstuff.de shares the same mail server setup as other domains, including studious.eu, mx1.urheberrechtsinstitut.com, for.md and two others.