studyforge.de - dns.ninja
studyforge.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=1793093670 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●MXlocalhost2026-09-01 → 2026-10-27 · 4 obs
○ 2026-09-13 06:13:42
● 2026-09-15 05:28:38
● 2026-10-27 10:24:52
●A91.195.241.2322026-09-01 → 2026-10-27 · 4 obs
○ 2026-09-13 06:13:42
● 2026-09-15 05:28:38
● 2026-10-27 10:24:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| studyforge.de | sl1.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 studyforge.de (unsigned zone)
⏱️ Timing
Total: 938ms | 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
studyforge.de points to a single IP number: 91.195.241.232.
Additional host names — market-data.de, inbeta.eu, mobe.online and two others — share IP numbers with studyforge.de.
Name Servers
The NS records for studyforge.de delegate to sl1.sedo.com and sl2.sedo.com.
studyforge.de shares its name server setup with other domains, including aitutorial.de, sportspeople.eu, rajin.de and two others.
studyforge.de and other domains like windowsdev.xyz share at least a portion of their name servers.
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
studyforge.de has one mail server: localhost.
studyforge.de shares the same mail server setup as other domains, including agentsupport.org, pennycarwash.com, seattlegourmetcoffee.com and two others.