claude-code-masterkurs.de - robtex.com
claude-code-masterkurs.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=1786609493 | ||||||
Subdomains
Same first word
claude-code-masterkurs.de |
DNS History
6 records (6 active, 0 former)
●NSns1.vercel-dns.com2026-08-11 → 2026-08-13 · 2 obs
● 2026-08-13 08:32:38
●NSns2.vercel-dns.com2026-08-11 → 2026-08-13 · 2 obs
● 2026-08-13 08:32:38
●NSns69.domaincontrol.com2026-08-11 → 2026-08-13 · 2 obs
● 2026-08-13 08:32:38
●NSns70.domaincontrol.com2026-08-11 → 2026-08-13 · 2 obs
● 2026-08-13 08:32:38
●MXclaudecodemasterkurs-de01ei.mail.protection.outlook.com2026-08-11 → 2026-08-13 · 2 obs
● 2026-08-13 08:32:38
●A216.198.79.12026-08-11 → 2026-08-13 · 2 obs
● 2026-08-13 08:32:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| claude-code-masterkurs.de | ns69.domaincontrol.com, ns70.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.104.45
NS records: ns69.domaincontrol.com, ns70.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for claude-code-masterkurs.de (unsigned zone)
⏱️ Timing
Total: 609ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 4 | ns69.domaincontrol.com, ns70.domaincontrol.com... |
| MX | 1 | claudecodemasterkurs-de01ei.mail.protect |
| TXT | 2 | NETORGFT20327218.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns69.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
www.claude-code-masterkurs.de and api.claude-code-masterkurs.de each fall under claude-code-masterkurs.de as their parent domain.
IP Addresses
claude-code-masterkurs.de resolves to just one IP address, 216.198.79.1.
Two other host names, along with vidmask.com, vpn-for-whatsapp.ru and ajbergman.com, also share IP numbers with claude-code-masterkurs.de.
Name Servers
The NS records for claude-code-masterkurs.de point to four name servers: ns69.domaincontrol.com, ns70.domaincontrol.com, ns1.vercel-dns.com and ns2.vercel-dns.com.
The name servers of claude-code-masterkurs.de overlap at least partially with those of other domains — among them onsiteremodeling.com, janasmallfinancebank.in, paradiseof(0x706f726e).com and two more.
Each of the four hosts ns69.domaincontrol.com, ns70.domaincontrol.com, ns1.vercel-dns.com and ns2.vercel-dns.com has two IP addresses. ns69.domaincontrol.com points to 97.74.104.45 and 2603:5:2184::2d. ns70.domaincontrol.com points to 173.201.72.45 and 2603:5:2284::2d. ns1.vercel-dns.com points to 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1. ns2.vercel-dns.com points to 198.51.45.13 and 2a00:edc0:6259:7:13::2.
Mail Servers
The sole mail server for claude-code-masterkurs.de is claudecodemasterkurs-de01ei.mail.protection.outlook.com.
With 8 IP addresses total, claudecodemasterkurs-de01ei.mail.protection.outlook.com resolves to 52.101.168.0, 52.101.170.0, 52.101.170.1 and 5 others.