schultreff.de - robtex.com
schultreff.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.65.122.39🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix | ||||||
| PTR | mail.zfdl-krefeld.de | ||||||
| NS | ns1.du-server.de ⭐ | ||||||
| A | 18.194.187.69🇩🇪 Amazon18.194.0.0/15 EC2 FRA prefix | ||||||
| PTR | ec2-18-194-187-69.eu-central-1.compute.amazonaws.com | ||||||
| NS | ns2.du-server.de | ||||||
| A | 3.74.77.247🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix | ||||||
| PTR | ns2.mynameserver.de | ||||||
| MX | krws.de ⭐ | ||||||
| A | 3.74.103.63🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix | ||||||
| PTR | venus.cludes.com | ||||||
| SOA | ns1.du-server.dednsmaster@ns1.du-server.de 2023-07-23 #99 | ||||||
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=1775965692 | ||||||
Subdomains
www.schultreff.de |
Same first word
schultreff.de |
DNS History
5 records (4 active, 1 former)
●NSns1.du-server.de2015-07-04 → 2026-04-12 · 2 obs
● 2026-04-12 03:55:20
●NSns2.du-server.de2015-07-04 → 2026-04-12 · 2 obs
● 2026-04-12 03:55:20
●A3.65.122.392026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 08:54:26
● 2026-04-12 03:55:20
○A83.125.28.632015-07-04 → 2018-09-01 · 4 obs
● 2018-09-01 14:04:10
○ 2026-03-26 08:54:26
○ 2026-04-12 03:55:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, f.nic.de, a.nic.de | - |
| schultreff.de | ns2.du-server.de, ns1.du-server.de | - |
✅ Authoritative Response
Server:3.74.77.247
NS records: ns2.du-server.de, ns1.du-server.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schultreff.de (unsigned zone)
⏱️ Timing
Total: 1274ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.65.122.39 |
| NS | 2 | ns2.du-server.de, ns1.du-server.de |
| MX | 1 | krws.de (pri: 10) |
| SOA | 1 | ns1.du-server.de dnsmaster.ns1.du-server |
Analysis
Hierarchy
The parent of www.schultreff.de is schultreff.de.
IP Addresses
schultreff.de points to IP number: 3.65.122.39.
Other host names such as zfdl-krefeld.de, weiterbildungskolleg-krefeld.de, www.schultreff.de, ix-63.myrack.q-nic.de and lindenschule-krefeld.de share IPs with schultreff.de.
Name Servers
schultreff.de is delegated to two name servers: ns1.du-server.de and ns2.du-server.de.
schultreff.de shares the same name server setup as mallorca-tophits.de, zadvent.de, krochi.de, sds-software.com and zwickauer-adventssterne.de.
schultreff.de partially shares its name servers with other domains, for example pestalozzischule-krefeld.de, vamsys.com and thecannon.de.
These name servers are commonly used together with ns1.mynameserver.de, ns3.mynameserver.de and ns2.mynameserver.de.
Host names with a single IP:
ns1.du-server.de points to 18.194.187.69.
ns2.du-server.de points to 3.74.77.247.
Mail Servers
schultreff.de is handled by a single mail server, krws.de.
krws.de points to a single IP: 3.74.103.63.