`mail.clustermaster.de`

	DNSSEC	⚠️ Not signed
	A	46.38.243.234^{🇩🇪 netcup-AS46.38.240.0/22}

`clustermaster.de`

	DNSSEC	⚠️ Not signed
	A	195.128.101.130^{🇩🇪 netcup-AS195.128.100.0/22}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`mail.clustermaster.de` ⭐
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-02-05 #10

MX for

clustermaster.de

Same first word

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DNS History

1 record (1 active, 0 former)

●A46.38.243.2342026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 17:52:48
● 2026-04-12 09:53:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
clustermaster.de	root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net	-

✅ Authoritative Response

Server:46.38.225.225

NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clustermaster.de (unsigned zone)

⏱️ Timing

Total: 893ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.38.243.234`

Analysis

Mail Server Role

mail.clustermaster.de is the mail server for clustermaster.de.

IP Addresses

mail.clustermaster.de resolves to one IP number: 46.38.243.234.

other host names including iol.li, korrodian.eu, mail.meingag.de, postn.de and kendler.mvak.de share IP numbers with mail.clustermaster.de.

mail.clustermaster.de - robtex.com