checkversion.de - dns.ninja
checkversion.de
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.werk21system.de ⭐ | ||||||
| A | 149.233.9.125🇩🇪 ESHELTER149.233.0.0/19 E-shelter | ||||||
| NS | ns.werk21system.de | ||||||
| A | 149.233.9.47🇩🇪 ESHELTER149.233.0.0/19 E-shelter | ||||||
| NS | ns2.werk21system.de | ||||||
| A | 49.13.240.49🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC | ||||||
| NS | ns3.werk21system.de | ||||||
| A | 91.216.245.193🇩🇪 IP-PROJECTS91.216.245.0/24 IP-Routing by www.ip-projects.de | ||||||
| MX | mx3.werk21system.de ⭐ | ||||||
| A | 91.216.245.166🇩🇪 IP-PROJECTS91.216.245.0/24 IP-Routing by www.ip-projects.de | ||||||
| MX | mx4.werk21system.de(20) | ||||||
| A | 78.46.128.86🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| TXT | v=spf1 mx a include:spf1.werk21system.de ~all | ||||||
| SOA | ns.werk21system.dehostmaster@werk21.de 2026-05-08 #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=1782568261 | ||||||
Same first word
checkversion.de |
checkversion.org |
checkversion.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns.werk21system.de2015-05-28 → 2026-06-27 · 2 obs
● 2026-06-27 14:02:32
●NSns1.werk21system.de2026-03-28 → 2026-06-27 · 3 obs
● 2026-03-28 01:18:48
● 2026-06-27 14:02:32
●NSns2.werk21system.de2015-05-28 → 2026-06-27 · 2 obs
● 2026-06-27 14:02:32
●NSns3.werk21system.de2015-05-28 → 2026-06-27 · 2 obs
● 2026-06-27 14:02:32
●MXmx3.werk21system.de2015-05-28 → 2026-06-27 · 2 obs
● 2026-06-27 14:02:32
●MXmx4.werk21system.de2015-05-28 → 2026-06-27 · 2 obs
● 2026-06-27 14:02:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| checkversion.de | ns2.werk21system.de, ns1.werk21system.de, ns3.werk21system.de | 3 records |
✅ Authoritative Response
Server:91.216.245.193
NS records: ns2.werk21system.de, ns1.werk21system.de, ns3.werk21system.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for checkversion.de (unsigned zone)
⏱️ Timing
Total: 649ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.werk21system.de, ns2.werk21system.de... |
| MX | 2 | mx3.werk21system.de (pri: 10), mx4.werk21system.de (pri: 20) |
| TXT | 1 | v=spf1 mx a include:spf1.werk21system.de |
| SOA | 1 | ns.werk21system.de hostmaster.werk21.de |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.werk21system.de, ns2.werk21system.de, ns1.werk21system.de)
Analysis
Name Servers
Four name servers handle the delegation for checkversion.de: ns1.werk21system.de, ns2.werk21system.de, ns3.werk21system.de and ns.werk21system.de.
checkversion.de shares at least some of its name servers with other domains, including aids-hilfe-hessen.de, llas.de, passek.eu and two others.
Four host names, each with one IP address: ns1.werk21system.de has 149.233.9.125, ns2.werk21system.de has 49.13.240.49, ns3.werk21system.de has 91.216.245.193 and ns.werk21system.de has 149.233.9.47.
Mail Servers
checkversion.de uses two mail servers, mx3.werk21system.de and mx4.werk21system.de.
The mail server setup of checkversion.de matches that of other domains such as mitigationpartnership.net, llas.de, passek.eu and two others.
At least some of the mail servers used by checkversion.de are shared with other domains: ganztaegig-lernen.org, filmportal.de, verrycken.de and two others among them.
mx3.werk21system.de and mx4.werk21system.de each resolve to one IP number: mx3.werk21system.de points to 91.216.245.166 and mx4.werk21system.de points to 78.46.128.86.