mail.rs21.de - robtex.com

mail.rs21.de

DNSSEC⚠️ Not signed
A90.187.208.201🇩🇪 VODANET90.187.0.0/16 Vodafone-gesamt
PTRbusiness-90-187-208-201.pool2.vodafone-ip.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de

rs21.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1152::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.152🇩🇪 STRATO81.169.144.0/22 AG
NSshades05.rzone.de ⭐
NSdocks17.rzone.de
MXremote.rs21.de ⭐
SOAshades05.rzone.dehostmaster@strato-rz.de 2020-07-11 #35

Previously MX for

rs21.de

Same first word

mail.potager.org
mail.v.ua
mail.copro.uk
mail.or.id
mail.kim
mail.md
mail.gov.ls
mail.edu.tt
mail.si
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mail.org.br
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mail.wroclaw.pl
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mail.collegefan.org
mail.com.cn
mail.cab
mail.vn.ua
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mail.mg.gov.br
mail.kiev.ua
mail.mydns.tw
mail.report
mail.fail
mail.gov.ee
mail.blogspot.com
mail.gob.bo
mail.dnsfor.me
mail.dix.asia
mail.gov.nr
mail.sg
mail.eu.com
mail.camp

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liam.se
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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026MXsmtpin.rzone.deA90.187.208.20187.118.96.230
●MXsmtpin.rzone.de2026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 16:23:02
● 2026-04-12 16:23:04
○A87.118.96.2302015-07-08 → 2016-12-29 · 4 obs
● 2015-07-08 01:21:12
● 2016-12-29 04:40:20
○ 2026-04-12 16:23:02
○ 2026-04-12 16:23:04
●A90.187.208.2012026-04-12 → 2026-04-12 · 3 obs
○ 2016-12-29 04:40:20
● 2026-04-12 16:23:02
● 2026-04-12 16:23:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
rs21.dedocks17.rzone.de, shades05.rzone.de-

✅ Authoritative Response

Server:217.160.80.144

NS records: docks17.rzone.de, shades05.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rs21.de (unsigned zone)

⏱️ Timing

Total: 979ms | Queries: -

📄 Records

TypeCountSample Data
A190.187.208.201
MX1smtpin.rzone.de (pri: 5)

Analysis

IP Addresses

mail.rs21.de points to a single IP address: 90.187.208.201.

Other host names, for instance remote.rs21.de, share IP numbers with mail.rs21.de.

Mail Servers

The smtpin.rzone.de mail server handles mail.rs21.de.

mail.rs21.de shares the same mail server setup as other domains, including bibelwissen.de, whiskypedia.biz, holatec.de, 12fit.de and ge-rs.de.

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