openlearn.de - dns.ninja
openlearn.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=1783950695 | ||||||
Same first word
openlearn.com |
openlearn.eu |
openlearn.net |
openlearn.ng |
openlearn.in |
openlearn.tv |
openlearn.de |
openlearn.kr |
openlearn.ca |
openlearn.co |
openlearn.org |
openlearn.lk |
openlearn.ir |
openlearn.ru |
openlearn.hk |
openlearn.it |
Similar names
DNS History
9 records (4 active, 5 former)
○NSdocks04.rzone.de2015-05-29 → 2017-06-16 · 4 obs
● 2017-06-16 04:20:06
○ 2026-02-19 00:14:52
○ 2026-07-13 14:20:46
○NSshades10.rzone.de2015-05-29 → 2017-06-16 · 4 obs
● 2017-06-16 04:20:06
○ 2026-02-19 00:14:52
○ 2026-07-13 14:20:46
●NSsl1.sedo.com2026-02-19 → 2026-07-13 · 3 obs
● 2026-02-19 00:14:52
● 2026-07-13 14:20:46
●NSsl2.sedo.com2026-02-19 → 2026-07-13 · 3 obs
● 2026-02-19 00:14:52
● 2026-07-13 14:20:46
●MXlocalhost2026-02-19 → 2026-07-13 · 6 obs
● 2026-02-19 00:14:52
● 2026-04-15 14:24:00
○ 2026-06-02 13:51:48
● 2026-07-05 10:14:14
● 2026-07-13 14:20:46
○MXsmtp.rzone.de2015-05-29 → 2017-06-16 · 4 obs
● 2017-06-16 04:20:06
○ 2026-02-19 00:14:52
○ 2026-07-13 14:20:46
○A2a01:238:20a:202:1154::2015-05-29 → 2017-06-16 · 4 obs
● 2017-06-16 04:20:06
○ 2026-02-19 00:14:52
○ 2026-07-13 14:20:46
○A81.169.145.1542015-05-29 → 2017-06-16 · 4 obs
● 2017-06-16 04:20:06
○ 2026-02-19 00:14:52
○ 2026-07-13 14:20:46
●A91.195.241.2322026-02-19 → 2026-07-13 · 3 obs
● 2026-02-19 00:14:52
● 2026-07-13 14:20:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| openlearn.de | sl2.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 openlearn.de (unsigned zone)
⏱️ Timing
Total: 835ms | 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
IP Addresses
openlearn.de has exactly one IP address — 91.195.241.232.
metamorfosis.de, appsbusiness.de, solarturbines.fr plus two other host names have IP numbers in common with openlearn.de.
Name Servers
openlearn.de has two authoritative name servers — sl1.sedo.com and sl2.sedo.com.
The name server configuration of openlearn.de is shared with other domains, for instance kuwait-net.eu, icross.eu, electriq.eu and two others.
The name servers for openlearn.de overlap at least partially with those of other domains — for example alkhayr.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
openlearn.de uses one mail server — localhost.
The mail server setup of openlearn.de matches that of other domains such as creativedirection.net, ns1.otolike.net, ns1.xerotec.com and two others.