m.masterclassonline.de - robtex.com
m.masterclassonline.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
masterclassonline.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| NS | sl2.sedo.com | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #1 | ||||||
Same first word
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DNS History
4 records (4 active, 0 former)
●MXlocalhost2026-04-23 → 2026-05-11 · 2 obs
● 2026-05-11 17:52:12
●A91.195.241.2322026-04-23 → 2026-05-11 · 2 obs
● 2026-05-11 17:52:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| masterclassonline.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 masterclassonline.de (unsigned zone)
⏱️ Timing
Total: 3667ms | 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
m.masterclassonline.de points to a single IP address: 91.195.241.232.
Other host names such as cheapland.de, www.taxi2airport.de, chatenet.eu, goce.eu and luho.eu share IP numbers with m.masterclassonline.de.
Name Servers
m.masterclassonline.de is delegated to two name servers: sl1.sedo.com and sl2.sedo.com.
m.masterclassonline.de uses the same name server setup as other domains, including pizza-014-002.intraserver.de, www.sports24.eu, smarthub.online, dhv-gmbh.de and a17-112-152-32.crupon.com.
Hostnames with a single IP
sl1.sedo.com resolves to: 91.195.240.173.
sl2.sedo.com resolves to: 91.195.241.173.
Mail Servers
The mail server for m.masterclassonline.de is localhost.
m.masterclassonline.de uses the same mail server setup as other domains, for instance europromotion.de, elektro.mobi, orson.de, vpry.com and greenfirst.de.