`mail.linuxguides.de`

DNSSEC	⚠️ Not signed
A	91.204.46.225^{🇩🇪 netcup-AS91.204.46.0/24}
		PTR	`mx2ee1.netcup.net`

`linuxguides.de`

	DNSSEC	⚠️ Not signed
	A	2a03:4000:30:d21a::15:4648^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	91.204.46.223^{🇩🇪 netcup-AS91.204.46.0/24}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`mail.linuxguides.de` ⭐
	MX	`mx2ee1.netcup.net`⁽⁵⁰⁾
	TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2025-10-30 #51

rank #941657 globally
rank #35486 in the tld
📈 Tranco rank: #749,469

MX for

linuxguides.de

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DNS History

1 record (1 active, 0 former)

●A91.204.46.2252026-03-28 → 2026-03-30 · 2 obs

● 2026-03-28 22:18:36
● 2026-03-30 06:21:30

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:188.68.63.68

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxguides.de (unsigned zone)

⏱️ Timing

Total: 1180ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.204.46.225`

Analysis

Mail Server Role

mail.linuxguides.de is the mail server for linuxguides.de.

mx2ee1.netcup.net is a mail server commonly used with mail.linuxguides.de.

IP Addresses

mail.linuxguides.de resolves to one IP number: 91.204.46.225.

other host names including mail.mail3x.de, mail.cafecielo.de, mail.musicportal.de, mail.kickdrive.at and mail.xn--messebauer-dsseldorf-0ec.de share IP numbers with mail.linuxguides.de.

mail.linuxguides.de - robtex.com