classmanager.de - dns.ninja
classmanager.de
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=1786078807 | ||||||
Same first word
DNS History
6 records (6 active, 0 former)
●NSnsa5.schlundtech.de2015-07-22 → 2026-08-07 · 2 obs
● 2026-08-07 05:01:24
●NSnsb5.schlundtech.de2015-07-22 → 2026-08-07 · 2 obs
● 2026-08-07 05:01:24
●NSnsc5.schlundtech.de2015-07-22 → 2026-08-07 · 2 obs
● 2026-08-07 05:01:24
●NSnsd5.schlundtech.de2015-07-22 → 2026-08-07 · 2 obs
● 2026-08-07 05:01:24
●MXlenny.edv-knott.de2015-07-22 → 2026-08-07 · 2 obs
● 2026-08-07 05:01:24
●A62.153.112.382015-07-22 → 2026-08-07 · 2 obs
● 2026-08-07 05:01:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| classmanager.de | nsa5.schlundtech.de, nsb5.schlundtech.de, nsc5.schlundtech.de, nsd5.schlundtech.de | - |
✅ Authoritative Response
Server:217.160.81.227
NS records: nsa5.schlundtech.de, nsb5.schlundtech.de, nsc5.schlundtech.de, nsd5.schlundtech.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classmanager.de (unsigned zone)
⏱️ Timing
Total: 805ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.153.112.38 |
| NS | 4 | nsb5.schlundtech.de, nsc5.schlundtech.de... |
| MX | 1 | lenny.edv-knott.de (pri: 10) |
| SOA | 1 | nsa5.schlundtech.de hostmaster.edv-knott |
Analysis
IP Addresses
classmanager.de directs to one IP number, which is 62.153.112.38.
Among the host names that share IP numbers with classmanager.de are lenny.edv-knott.de, gruenwasser.de, www.squaredancecaller.de and two others.
Name Servers
The domain classmanager.de is delegated to these four name servers: nsa5.schlundtech.de, nsb5.schlundtech.de, nsc5.schlundtech.de and nsd5.schlundtech.de.
At least some of classmanager.de's name servers are shared with other domains, for example reselldomain.info, mr-scandis-truckwash.de, ocps-live.com and two more.
Four hostnames, each resolving to a pair of IP addresses: nsa5.schlundtech.de directs to 185.132.34.227 and 2607:f1c0:fe:53:185:132:34:227; nsb5.schlundtech.de directs to 185.132.35.227 and 2607:f1c0:fe:53:185:132:35:227; nsc5.schlundtech.de directs to 217.160.80.227 and 2001:8d8:fe:53:217:160:80:227; nsd5.schlundtech.de directs to 217.160.81.227 and 2001:8d8:fe:53:217:160:81:227.
Mail Servers
classmanager.de routes its mail through a single mail server, lenny.edv-knott.de.
classmanager.de has the same MX record configuration as other domains, including squaredancecaller.de, sdclubs.de and gruenwasser.de.
lenny.edv-knott.de directs to just one IP number, 62.153.112.38.