`mail.open-admin.de`

DNSSEC	⚠️ Not signed
A	82.165.66.119^{🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4}
		PTR	`open-admin.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`

`open-admin.de`

	DNSSEC	⚠️ Not signed
	A	82.165.66.119^{🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4}
	NS	`docks12.rzone.de` ⭐
	NS	`shades12.rzone.de`
	MX	`mail.open-admin.de` ⭐
	TXT	`v=spf1 mx ~all`
	SOA	`docks12.rzone.de`hostmaster@strato-rz.de 2023-06-25 #66

MX for

open-admin.de

Same first word

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mail.sc

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mail.gov.mn

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DNS History

3 records (2 active, 1 former)

●MXsmtpin.rzone.de2026-02-25 → 2026-05-13 · 2 obs

● 2026-02-25 16:23:18
● 2026-05-13 04:59:22

●A82.165.66.1192026-02-25 → 2026-05-13 · 3 obs

○ 2016-04-14 15:23:28
● 2026-02-25 16:23:18
● 2026-05-13 04:59:22

○A89.200.172.1502015-05-30 → 2016-04-14 · 4 obs

● 2015-05-30 22:32:36
● 2016-04-14 15:23:28
○ 2026-02-25 16:23:18
○ 2026-05-13 04:59:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
open-admin.de	shades12.rzone.de, docks12.rzone.de	-

✅ Authoritative Response

Server:185.132.34.139

NS records: shades12.rzone.de, docks12.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open-admin.de (unsigned zone)

⏱️ Timing

Total: 1040ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.165.66.119`
MX	1	`smtpin.rzone.de (pri: 5)`

Analysis

Mail Server Role

mail.open-admin.de functions as a mail server for open-admin.de.

IP Addresses

mail.open-admin.de points to IP number: 82.165.66.119.

Other host names, for instance mail.car-cloud-cn.net and open-admin.de, share IP numbers with mail.open-admin.de.

Mail Servers

mail.open-admin.de is handled by a single mail server, smtpin.rzone.de.

The mail server setup for mail.open-admin.de matches that of other domains, for instance walerija.com, ffw-obermenzing.de, spimas.com, ra-wellnitz.de and manome.de.

mail.open-admin.de shares some mail servers with other domains, at least in part, for instance gravter.de.

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

mail.open-admin.de - robtex.com