koehler-it.de - robtex.com

koehler-it.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1152::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw98.rzone.de
A81.169.145.152🇩🇪 STRATO81.169.144.0/22 AG
NSshades09.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:136🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades09.rzone.de
A185.132.34.136🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades09.rzone.de
NSdocks12.rzone.de
A2001:8d8:fe:53:5747:2a74:d:12🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks12.rzone.de
A217.160.80.139🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks12.rzone.de
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
SOAshades09.rzone.dehostmaster@strato-rz.de 2020-05-23 #6

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1776077666

Same first word

koehler-it.info
koehler-it.com
koehler-it.de
koehler-it.eu

Similar names

it-koehler.de
it-koehler.com

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSdocks12.rzone.deshades09.rzone.deMXsmtpin.rzone.desmtp.rzone.deA2a01:238:20a:202:1152::81.169.145.1522a01:238:20a:202:1156::81.169.145.156
●NSdocks12.rzone.de2015-06-20 → 2026-04-13 · 2 obs
● 2015-06-20 06:52:54
● 2026-04-13 11:01:36
●NSshades09.rzone.de2015-06-20 → 2026-04-13 · 2 obs
● 2015-06-20 06:52:54
● 2026-04-13 11:01:36
○MXsmtp.rzone.de2015-06-20 → 2017-03-18 · 4 obs
● 2015-06-20 06:52:54
● 2017-03-18 04:56:28
○ 2026-04-08 05:06:04
○ 2026-04-13 11:01:36
●MXsmtpin.rzone.de2026-04-08 → 2026-04-13 · 3 obs
○ 2017-03-18 04:56:28
● 2026-04-08 05:06:04
● 2026-04-13 11:01:36
●A2a01:238:20a:202:1152::2026-04-08 → 2026-04-13 · 3 obs
○ 2017-03-18 04:56:28
● 2026-04-08 05:06:04
● 2026-04-13 11:01:36
○A2a01:238:20a:202:1156::2015-06-20 → 2017-03-18 · 4 obs
● 2015-06-20 06:52:54
● 2017-03-18 04:56:28
○ 2026-04-08 05:06:04
○ 2026-04-13 11:01:36
●A81.169.145.1522026-04-08 → 2026-04-13 · 3 obs
○ 2017-03-18 04:56:28
● 2026-04-08 05:06:04
● 2026-04-13 11:01:36
○A81.169.145.1562015-06-20 → 2017-03-18 · 4 obs
● 2015-06-20 06:52:54
● 2017-03-18 04:56:28
○ 2026-04-08 05:06:04
○ 2026-04-13 11:01:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
koehler-it.deshades09.rzone.de, docks12.rzone.de-

✅ Authoritative Response

Server:185.132.34.136

NS records: shades09.rzone.de, docks12.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koehler-it.de (unsigned zone)

⏱️ Timing

Total: 1023ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.152
AAAA12a01:238:20a:202:1152::
NS2shades09.rzone.de, docks12.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades09.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

koehler-it.de resolves to two IPs: 2a01:238:20a:202:1152:: and 81.169.145.152.

other host names for instance acadium.nl, argovent.com, scootzine.com, bitberatung.one and schuldnerberatung-sh.com share IP numbers with koehler-it.de.

Name Servers

koehler-it.de is delegated to two name servers: docks12.rzone.de and shades09.rzone.de.

koehler-it.de shares the same name server setup as other domains, for example hans-baier.com, p-testen.de, enp-berlin.com, microfe.de and animam.es.

koehler-it.de at least partially shares name servers with other domains, for instance kanzlei-nathanielsz.de, crisur.com, travelcommunity.com, gossips.city and batterienmarkt.de.

These name servers are often used together with the name servers docks17.rzone.de, docks11.rzone.de, shades19.rzone.de, shades15.rzone.de, shades02.rzone.de, docks15.rzone.de, docks05.rzone.de, docks02.rzone.de, shades18.rzone.de and shades20.rzone.de.

Host names with two IP numbers:

docks12.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:12 and 217.160.80.139

shades09.rzone.de points to 2607:f1c0:fe:53:185:132:34:136 and 185.132.34.136

Mail Servers

koehler-it.de is handled by a single mail server, smtpin.rzone.de.

koehler-it.de shares the same mail server setup as other domains, for instance de.mec-pirna.de, neisewald.de, imw-se.eu, schaefer-kbg.de and tarsier.de.

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