`mx0.cologne-ventures.de`

DNSSEC	⚠️ Not signed
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`

`cologne-ventures.de`

	DNSSEC	⚠️ Not signed
	A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
	A	217.160.0.125^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
	NS	`docks01.rzone.de` ⭐
	NS	`shades03.rzone.de`
	MX	`smtpin.rzone.de` ⭐
	SOA	`docks01.rzone.de`hostmaster@strato-rz.de 2023-10-19 #14

Same first word

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DNS History

2 records (1 active, 1 former)

●MXsmtpin.rzone.de2026-07-11 → 2026-07-11 · 1 obs

● 2026-07-11 22:27:24

○A80.237.138.52015-07-14 → 2016-06-19 · 3 obs

● 2015-07-14 15:57:54
● 2016-06-19 04:11:42
○ 2026-07-11 22:27:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
cologne-ventures.de	docks01.rzone.de, shades03.rzone.de	-

✅ Authoritative Response

Server:217.160.80.128

NS records: docks01.rzone.de, shades03.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cologne-ventures.de (unsigned zone)

⏱️ Timing

Total: 3020ms | Queries: -

📄 Records

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

Analysis

Mail Servers

mx0.cologne-ventures.de uses one mail server — smtpin.rzone.de.

The mail server setup of mx0.cologne-ventures.de matches that of other domains such as sabine-imhof.de, rusflat.de, proteusgaming.net and two others.

smtpin.rzone.de has two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.

mx0.cologne-ventures.de - robtex.com