opencontext.de - dns.ninja
opencontext.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=1783182974 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSns1.deutsche-domainbank.de2015-06-27 → 2019-04-05 · 4 obs
● 2019-04-05 08:23:18
○ 2026-03-22 05:46:22
○ 2026-07-04 16:39:52
○NSns2.deutsche-domainbank.de2015-06-27 → 2019-04-05 · 4 obs
● 2019-04-05 08:23:18
○ 2026-03-22 05:46:22
○ 2026-07-04 16:39:52
●NSsl1.sedo.com2026-03-22 → 2026-07-04 · 3 obs
● 2026-03-22 05:46:22
● 2026-07-04 16:39:52
●NSsl2.sedo.com2026-03-22 → 2026-07-04 · 3 obs
● 2026-03-22 05:46:22
● 2026-07-04 16:39:52
●MXlocalhost2026-03-22 → 2026-07-04 · 3 obs
● 2026-03-22 05:46:22
● 2026-07-04 16:39:52
○MXopencontext.com2015-06-27 → 2019-04-05 · 4 obs
● 2019-04-05 08:23:18
○ 2026-03-22 05:46:22
○ 2026-07-04 16:39:52
○A195.212.87.1982015-06-27 → 2019-04-05 · 4 obs
● 2019-04-05 08:23:18
○ 2026-03-22 05:46:22
○ 2026-07-04 16:39:52
●A91.195.241.2322026-03-22 → 2026-07-04 · 3 obs
● 2026-03-22 05:46:22
● 2026-07-04 16:39:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| opencontext.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 opencontext.de (unsigned zone)
⏱️ Timing
Total: 3934ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl1.sedo.com, sl2.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
Analysis
IP Addresses
opencontext.de resolves to just one IP address, 91.195.241.232.
Two other host names, along with healthmate.eu, moneyball.eu and design-gruen.de, also share IP numbers with opencontext.de.
Name Servers
opencontext.de is served by two delegated name servers, sl1.sedo.com and sl2.sedo.com.
opencontext.de shares its NS records with other domains, for example rothweil.de, 9photos.com, atlassolution.de and two others.
The DNS delegation for opencontext.de at least partly coincides with that of other domains, shevchenko.eu being one example.
sl1.sedo.com and sl2.sedo.com each resolve to one IP number: sl1.sedo.com points to 91.195.240.173 and sl2.sedo.com points to 91.195.241.173.
Mail Servers
The sole mail server for opencontext.de is localhost.
Among the domains sharing a mail server setup with opencontext.de are gouchui.com, www.scaleclout.com, ldr.at and two others.