click2learn.de - dns.ninja
click2learn.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com | ||||||
| A | 91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #1 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1783960356 | ||||||
Subdomains
mail.click2learn.de |
Same first word
click2learn.ru |
click2learn.co |
click2learn.no |
click2learn.dk |
click2learn.edu.pk |
click2learn.ca |
click2learn.co.za |
click2learn.de |
click2learn.com |
click2learn.pk |
click2learn.net |
DNS History
15 records (4 active, 11 former)
○NSdocks19.rzone.de2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 13:14:40
○ 2026-06-25 11:58:44
○ 2026-07-13 16:46:54
○NSns1.clickpress-dns.de2015-08-07 → 2017-03-15 · 4 obs
● 2017-03-15 15:42:26
○ 2020-02-21 13:14:40
○ 2026-07-13 16:46:54
○NSns2.clickpress-dns.de2015-08-07 → 2017-03-15 · 4 obs
● 2017-03-15 15:42:26
○ 2020-02-21 13:14:40
○ 2026-07-13 16:46:54
○NSns3.clickpress-dns.de2015-08-07 → 2017-03-15 · 4 obs
● 2017-03-15 15:42:26
○ 2020-02-21 13:14:40
○ 2026-07-13 16:46:54
○NSns4.clickpress-dns.de2015-08-07 → 2017-03-15 · 4 obs
● 2017-03-15 15:42:26
○ 2020-02-21 13:14:40
○ 2026-07-13 16:46:54
○NSshades08.rzone.de2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 13:14:40
○ 2026-06-25 11:58:44
○ 2026-07-13 16:46:54
●NSsl1.sedo.com2026-06-25 → 2026-07-13 · 3 obs
● 2026-06-25 11:58:44
● 2026-07-13 16:46:54
●NSsl2.sedo.com2026-06-25 → 2026-07-13 · 3 obs
● 2026-06-25 11:58:44
● 2026-07-13 16:46:54
●MXlocalhost2026-06-25 → 2026-07-13 · 3 obs
● 2026-06-25 11:58:44
● 2026-07-13 16:46:54
○MXmail.click2learn.de2015-08-07 → 2017-03-15 · 4 obs
● 2017-03-15 15:42:26
○ 2020-02-21 13:14:40
○ 2026-07-13 16:46:54
○MXsmtpin.rzone.de2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 13:14:40
○ 2026-06-25 11:58:44
○ 2026-07-13 16:46:54
○A188.40.82.1362015-08-07 → 2017-03-15 · 4 obs
● 2017-03-15 15:42:26
○ 2020-02-21 13:14:40
○ 2026-07-13 16:46:54
○A2a01:238:20a:202:1161::2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 13:14:40
○ 2026-06-25 11:58:44
○ 2026-07-13 16:46:54
○A81.169.145.1612020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 13:14:40
○ 2026-06-25 11:58:44
○ 2026-07-13 16:46:54
●A91.195.241.2322026-06-25 → 2026-07-13 · 3 obs
● 2026-06-25 11:58:44
● 2026-07-13 16:46:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| click2learn.de | sl1.sedo.com, sl2.sedo.com | - |
✅ Authoritative Response
Server:91.195.240.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for click2learn.de (unsigned zone)
⏱️ Timing
Total: 4121ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl2.sedo.com, sl1.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
Analysis
Hierarchy
click2learn.de is the parent zone for mail.click2learn.de.
IP Addresses
click2learn.de resolves to one IP address: 91.195.241.232.
(0x736578)ystudio.de, web-lab.eu, imaje.de and two other host names share IP numbers with click2learn.de.
Name Servers
click2learn.de has two authoritative name servers — sl1.sedo.com and sl2.sedo.com.
click2learn.de uses the same name servers as several other domains — among them blade017.dedicated.netrino.co.uk, stave.eu, proposa.de and two more.
The name servers for click2learn.de overlap at least partially with those of other domains — for example iphonefix.de.
sl1.sedo.com resolves to 91.195.240.173. sl2.sedo.com resolves to 91.195.241.173. Both host names point to a single IP number.
Mail Servers
Mail for click2learn.de is handled by a single mail server, localhost.
click2learn.de uses an identical mail server configuration to several other domains — among them dontsendmailto.desr.com, piquet-restaurant.co.uk, blog.education and two more.