`mail.duscher.de`

DNSSEC	⚠️ Not signed
A	178.13.91.166^{🇩🇪 VODANET178.13.0.0/16 BUSINESS-CUSTOMER-TERMINATION-NET-2}
		PTR	`business-178-013-091-166.static.arcor-ip.net`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`

`duscher.de`

	DNSSEC	⚠️ Not signed
	A	2a01:238:20a:202:1143::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
	A	81.169.145.143^{🇩🇪 STRATO81.169.144.0/22 AG}
	NS	`shades20.rzone.de` ⭐
	NS	`docks13.rzone.de`
	MX	`duscher-de.mail.protection.outlook.com` ⭐
	MX	`mail.duscher.de`⁽²⁰⁾
	MX	`relay.rzone.de`⁽¹⁰⁰⁾
	TXT	`v=spf1 include:spf.protection.outlook.com include:mail.duscher.de ip4:178.13....`
	TXT	`ms=D0FAB0A41D00FCAC88950CB9823EFA266B12A460`
	SOA	`shades20.rzone.de`hostmaster@strato-rz.de 2020-06-23 #83

MX for

durotex.de

duscher.de

Same first word

mail.chicappa.jp

mail.123hjemmeside.no

mail.fantasyleague.cc

mail.ufcfan.org

mail.ge

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mail.com

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mail.how

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mail.ca

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mail.org.br

mail.technology

mail.edu.ru

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mail.global

mail.bambina.jp

mail.hu.net

mail.whitesnow.jp

mail.se

mail.keymachine.de

mail.gd

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mail.csx.cc

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iaml.dj

DNS History

3 records (2 active, 1 former)

●MXsmtpin.rzone.de2026-03-12 → 2026-04-13 · 2 obs

● 2026-03-12 16:05:48
● 2026-04-13 17:07:54

●A178.13.91.1662026-03-12 → 2026-04-13 · 3 obs

○ 2016-11-23 03:56:56
● 2026-03-12 16:05:48
● 2026-04-13 17:07:54

○A80.150.140.742015-05-25 → 2016-11-23 · 4 obs

● 2015-05-25 15:03:28
● 2016-11-23 03:56:56
○ 2026-03-12 16:05:48
○ 2026-04-13 17:07:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
duscher.de	docks13.rzone.de, shades20.rzone.de	-

✅ Authoritative Response

Server:185.132.34.147

NS records: docks13.rzone.de, shades20.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duscher.de (unsigned zone)

⏱️ Timing

Total: 917ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.13.91.166`
MX	1	`smtpin.rzone.de (pri: 5)`

Analysis

Mail Server Role

The mail server for durotex.de and duscher.de is mail.duscher.de.

relay.rzone.de, durotex-de.mail.protection.outlook.com and duscher-de.mail.protection.outlook.com are commonly used as mail servers together with mail.duscher.de.

IP Addresses

mail.duscher.de points to a single IP number: 178.13.91.166.

Other host names, for instance business-178-013-091-166.static.arcor-ip.net, share IP numbers with mail.duscher.de.

Mail Servers

The mail server for mail.duscher.de is smtpin.rzone.de.

mail.duscher.de shares the same mail server setup as other domains, including it-platform.de, paulherkt.eu, mail.vsotech.de, wizard-soft.de and autoplus-lindau.de.

Host name smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

mail.duscher.de - robtex.com

mail.duscher.de

duscher.de