`api.claude-code-masterkurs.de`

	CNAME	`backend-production-9d7c.up.railway.app`
	DNSSEC	⚠️ Not signed
	A	69.46.46.15^{🇺🇸 US-SIGNAL-IL0269.46.32.0/20}

`claude-code-masterkurs.de`

	DNSSEC	⚠️ Not signed
	A	216.198.79.1^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}
	NS	`ns69.domaincontrol.com` ⭐
	NS	`ns1.vercel-dns.com` ⚠️ Not in parent delegation
	NS	`ns2.vercel-dns.com` ⚠️ Not in parent delegation
	NS	`ns70.domaincontrol.com`
	MX	`claudecodemasterkurs-de01ei.mail.protection.outlook.com` ⭐
	TXT	`NETORGFT20327218.onmicrosoft.com`
	TXT	`v=spf1 include:secureserver.net -all`
	SOA	`ns69.domaincontrol.com`dns@jomax.net 2026-02-16 #0

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DNS History

1 record (1 active, 0 former)

●CNAMEbackend-production-9d7c.up.railway.app2026-08-12 → 2026-08-14 · 2 obs

● 2026-08-12 14:05:56
● 2026-08-14 09:02:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
claude-code-masterkurs.de	ns69.domaincontrol.com, ns70.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.72.45

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: 751ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`backend-production-9d7c.up.railway.app`

Analysis

IP Addresses

api.claude-code-masterkurs.de directs to one IP number, which is 69.46.46.15.

Among the host names that share IP numbers with api.claude-code-masterkurs.de are saolatek.vn, 7dxmnow5.up.railway.app, myvo25yq.up.railway.app and two others.

api.claude-code-masterkurs.de - robtex.com