mail.rtkkoeln.de - robtex.com

mail.rtkkoeln.de

DNSSEC⚠️ Not signed
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de

rtkkoeln.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1070::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.70🇩🇪 STRATO81.169.144.0/22 AG
NSdocks17.rzone.de ⭐
NSshades19.rzone.de
MXrtkkoeln-de.mail.protection.outlook.com ⭐
TXTv=spf1 include:spf.protection.outlook.com -all
SOAdocks17.rzone.dehostmaster@strato-rz.de 2020-06-28 #18

Previously MX for

rtkkoeln.de

Same first word

mail.ls
mail.app
mail.co.kr
mail.rv.ua
mail.ox.rs
mail.idv.tw
mail.pt
mail.ke
mail.net.sa
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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026MXsmtpin.rzone.deA213.131.249.197
●MXsmtpin.rzone.de2026-03-09 → 2026-04-13 · 2 obs
● 2026-03-09 20:06:44
● 2026-04-13 07:09:36
○A213.131.249.1972015-06-27 → 2016-04-26 · 4 obs
● 2015-06-27 14:27:04
● 2016-04-26 16:07:46
○ 2026-03-09 20:06:44
○ 2026-04-13 07:09:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
rtkkoeln.deshades19.rzone.de, docks17.rzone.de-

✅ Authoritative Response

Server:217.160.80.144

NS records: shades19.rzone.de, docks17.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtkkoeln.de (unsigned zone)

⏱️ Timing

Total: 1096ms | Queries: -

📄 Records

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

Analysis

Mail Servers

mail.rtkkoeln.de is handled by a single mail server, smtpin.rzone.de.

mail.rtkkoeln.de shares the same mail server setup as other domains, for instance ns1.raybyte.com, downloads.labor33.de, hartmann-online.org, soda.events and kuzu-office.com.

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