lets-learn.de - dns.ninja

lets-learn.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=1785850042

Same first word

lets-learn.de
lets-learn.co.in
lets-learn.org

DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NSsl1.sedo.comsl2.sedo.comns-de.1and1-dns.bizns-de.1and1-dns.comns-de.1and1-dns.dens-de.1and1-dns.orgMXlocalhostmx00.kundenserver.demx01.kundenserver.deA91.195.241.2322001:8d8:1000:c041:7366:e273:8755:a80a212.227.195.67
○NSns-de.1and1-dns.biz2015-06-27 → 2016-12-25 · 4 obs
● 2015-06-27 05:54:54
● 2016-12-25 10:56:30
○ 2026-03-25 22:45:50
○ 2026-08-04 13:30:44
○NSns-de.1and1-dns.com2015-06-27 → 2016-12-25 · 4 obs
● 2015-06-27 05:54:54
● 2016-12-25 10:56:30
○ 2026-03-25 22:45:50
○ 2026-08-04 13:30:44
○NSns-de.1and1-dns.de2015-06-27 → 2016-12-25 · 4 obs
● 2015-06-27 05:54:54
● 2016-12-25 10:56:30
○ 2026-03-25 22:45:50
○ 2026-08-04 13:30:44
○NSns-de.1and1-dns.org2015-06-27 → 2016-12-25 · 4 obs
● 2015-06-27 05:54:54
● 2016-12-25 10:56:30
○ 2026-03-25 22:45:50
○ 2026-08-04 13:30:44
●NSsl1.sedo.com2026-03-25 → 2026-08-04 · 3 obs
○ 2016-12-25 10:56:30
● 2026-03-25 22:45:50
● 2026-08-04 13:30:44
●NSsl2.sedo.com2026-03-25 → 2026-08-04 · 3 obs
○ 2016-12-25 10:56:30
● 2026-03-25 22:45:50
● 2026-08-04 13:30:44
●MXlocalhost2026-03-25 → 2026-08-04 · 3 obs
○ 2016-12-25 10:56:30
● 2026-03-25 22:45:50
● 2026-08-04 13:30:44
○MXmx00.kundenserver.de2015-06-27 → 2016-12-25 · 4 obs
● 2015-06-27 05:54:54
● 2016-12-25 10:56:30
○ 2026-03-25 22:45:50
○ 2026-08-04 13:30:44
○MXmx01.kundenserver.de2015-06-27 → 2016-12-25 · 4 obs
● 2015-06-27 05:54:54
● 2016-12-25 10:56:30
○ 2026-03-25 22:45:50
○ 2026-08-04 13:30:44
○A2001:8d8:1000:c041:7366:e273:8755:a80a2015-06-27 → 2016-12-25 · 4 obs
● 2015-06-27 05:54:54
● 2016-12-25 10:56:30
○ 2026-03-25 22:45:50
○ 2026-08-04 13:30:44
○A212.227.195.672015-06-27 → 2016-12-25 · 4 obs
● 2015-06-27 05:54:54
● 2016-12-25 10:56:30
○ 2026-03-25 22:45:50
○ 2026-08-04 13:30:44
●A91.195.241.2322026-03-25 → 2026-08-04 · 3 obs
○ 2016-12-25 10:56:30
● 2026-03-25 22:45:50
● 2026-08-04 13:30:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
lets-learn.desl1.sedo.com, sl2.sedo.com-

✅ Authoritative Response

Server:91.195.241.173

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lets-learn.de (unsigned zone)

⏱️ Timing

Total: 3936ms | 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

lets-learn.de has exactly one IP address — 91.195.241.232.

vlogger.eu, webbiz.eu, fotoperspektive.de plus two other host names have IP numbers in common with lets-learn.de.

Name Servers

The NS records for lets-learn.de delegate to sl1.sedo.com and sl2.sedo.com.

The name server configuration of lets-learn.de is shared with other domains, for instance host98.ihs.n-e-s.com, videosentry.com, c4k.de and two others.

Each of sl1.sedo.com and sl2.sedo.com has one IP address: sl1.sedo.com uses 91.195.240.173 and sl2.sedo.com uses 91.195.241.173.

Mail Servers

lets-learn.de uses one mail server — localhost.

The mail server setup of lets-learn.de matches that of other domains such as ecj.in, sabi.in, diggy.eu and two others.