`mx1.langenfeld.net`

	DNSSEC	⚠️ Not signed
	A	217.13.200.27^{🇩🇪 SPEEDBONE-AS217.13.192.0/20 SPEEDBONE GmbH}

`langenfeld.net`

	DNSSEC	⚠️ Not signed
	A	80.81.251.60^{🇩🇪 SPEEDBONE-AS80.81.240.0/20 SPEEDBONE GmbH}
	NS	`ns11.prosite.de` ⭐
	NS	`ns11.worldserver.net`
	NS	`ns12.worldserver.net`
	MX	`mx1.langenfeld.net` ⭐
	MX	`mx2.langenfeld.net`⁽²⁰⁾
	SOA	`ns11.prosite.de`hostmaster@langenfeld.net 2026-07-30 #1

MX for

langenfeld.net

Same first word

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DNS History

1 record (1 active, 0 former)

●A217.13.200.272015-07-22 → 2026-07-30 · 2 obs

● 2015-07-22 06:50:20
● 2026-07-30 13:02:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	c.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
langenfeld.net	ns11.worldserver.net, ns12.worldserver.net	2 records

✅ Authoritative Response

Server:217.13.193.2

NS records: ns11.worldserver.net, ns12.worldserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for langenfeld.net (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.13.200.27`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns11.worldserver.net, ns12.worldserver.net)

Analysis

Mail Server Role

The mail server mx1.langenfeld.net processes email for langenfeld.net.

As mail servers, mx2.langenfeld.net and mx1.langenfeld.net are regularly found together.

IP Addresses

mx1.langenfeld.net resolves to just one IP address, 217.13.200.27.

Two other host names, along with mx1.express-casino.de, mx1.rudeshirts.de and mx1.rechtsanwalt-meeder.de, also share IP numbers with mx1.langenfeld.net.

mx1.langenfeld.net - robtex.com