`mail.c-tutorials.de`

DNSSEC	⚠️ Not signed
A	138.201.245.249^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
		PTR	`static.249.245.201.138.clients.your-server.de`

`c-tutorials.de`

	DNSSEC	⚠️ Not signed
	A	138.201.245.249^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
	NS	`ns1.domainoffensive.de` ⭐
	NS	`ns2.domainoffensive.de`
	NS	`ns3.domainoffensive.de`
	MX	`mail.c-tutorials.de` ⭐
	SOA	`ns1.domainoffensive.de`info@domains.resellerinterface.de serial=1684540800

MX for

c-tutorials.de

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DNS History

2 records (1 active, 1 former)

●A138.201.245.2492026-03-27 → 2026-03-27 · 3 obs

○ 2016-09-25 13:55:12
● 2026-03-27 05:59:54
● 2026-03-27 07:47:44

○A78.47.192.712015-05-15 → 2016-09-25 · 4 obs

● 2015-05-15 22:30:20
● 2016-09-25 13:55:12
○ 2026-03-27 05:59:54
○ 2026-03-27 07:47:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
c-tutorials.de	ns3.domainoffensive.de, ns2.domainoffensive.de, ns1.domainoffensive.de	-

✅ Authoritative Response

Server:192.174.68.20

NS records: ns3.domainoffensive.de, ns2.domainoffensive.de, ns1.domainoffensive.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c-tutorials.de (unsigned zone)

⏱️ Timing

Total: 815ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.201.245.249`

Analysis

Mail Server Role

mail.c-tutorials.de functions as a mail server for c-tutorials.de.

IP Addresses

mail.c-tutorials.de resolves to one IP number: 138.201.245.249.

Other host names, for instance c-tutorials.de, share IP numbers with mail.c-tutorials.de.

mail.c-tutorials.de - robtex.com