studyhall.de - dns.ninja
studyhall.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=1782903027 | ||||||
Subdomains
mail.studyhall.de |
Same first word
DNS History
4 records (4 active, 0 former)
●MXlocalhost2026-03-28 → 2026-07-01 · 2 obs
● 2026-07-01 11:05:38
●A91.195.241.2322026-03-28 → 2026-07-01 · 2 obs
● 2026-07-01 11:05:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| studyhall.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 studyhall.de (unsigned zone)
⏱️ Timing
Total: 986ms | 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
Hierarchy
mail.studyhall.de is delegated beneath studyhall.de.
IP Addresses
studyhall.de has exactly one IP address — 91.195.241.232.
imgmodels.de, mi6.online, anna.si plus two other host names have IP numbers in common with studyhall.de.
Name Servers
studyhall.de is delegated to two name servers: sl1.sedo.com and sl2.sedo.com.
The name server configuration of studyhall.de is shared with other domains, for instance vipocean.de, ipx.eu, superseal.eu and two others.
sl1.sedo.com → 91.195.240.173 and sl2.sedo.com → 91.195.241.173: one IP number per host name.
Mail Servers
studyhall.de uses one mail server — localhost.
The mail server setup of studyhall.de matches that of other domains such as gbnt.com, 5rock.com, splmeters.com and two others.