coursedesign.de - robtex.com

coursedesign.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1094::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw8e.rzone.de
A81.169.145.94🇩🇪 STRATO81.169.144.0/22 AG
NSshades15.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:142🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades15.rzone.de
A185.132.34.142🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades15.rzone.de
NSdocks08.rzone.de
A2001:8d8:fe:53:5747:2a74:d:8🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks08.rzone.de
A217.160.80.135🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks08.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
SOAshades15.rzone.dehostmaster@strato-rz.de 2020-05-25 #4

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=1776006073

Same first word

coursedesign.net
coursedesign.de
coursedesign.com

Similar names

designcourse.github.io
crusoedesign.com
designsource.org.uk
crousedesign.com
designsource.bc.ca
sourcedesign.info
sourcedesign.net
designsource.net
sourcedesign.co.uk
designsource.co.ke
designsource.com.au
designsource.design
designsource.org
designsource.de
sourcedesign.cn
designcourse.com
designcourse.ru
designsource.co.uk
designsource.com
designsource.biz
coeurdesigns.com
geniuscoders.com
designsource.co.nz
designsource.cc
designsource.eu

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSdocks08.rzone.deshades15.rzone.deMXsmtpin.rzone.desmtp.rzone.deA2a01:238:20a:202:1094::81.169.145.94
●NSdocks08.rzone.de2015-08-05 → 2026-04-12 · 2 obs
● 2015-08-05 14:12:10
● 2026-04-12 15:10:00
●NSshades15.rzone.de2015-08-05 → 2026-04-12 · 2 obs
● 2015-08-05 14:12:10
● 2026-04-12 15:10:00
○MXsmtp.rzone.de2015-08-05 → 2017-03-30 · 4 obs
● 2015-08-05 14:12:10
● 2017-03-30 10:17:56
○ 2026-03-27 15:11:42
○ 2026-04-12 15:10:00
●MXsmtpin.rzone.de2026-03-27 → 2026-04-12 · 3 obs
○ 2017-03-30 10:17:56
● 2026-03-27 15:11:42
● 2026-04-12 15:10:00
●A2a01:238:20a:202:1094::2015-08-05 → 2026-04-12 · 2 obs
● 2015-08-05 14:12:10
● 2026-04-12 15:10:00
●A81.169.145.942015-08-05 → 2026-04-12 · 2 obs
● 2015-08-05 14:12:10
● 2026-04-12 15:10:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
coursedesign.dedocks08.rzone.de, shades15.rzone.de-

✅ Authoritative Response

Server:185.132.34.142

NS records: docks08.rzone.de, shades15.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursedesign.de (unsigned zone)

⏱️ Timing

Total: 894ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.94
AAAA12a01:238:20a:202:1094::
NS2shades15.rzone.de, docks08.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades15.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

The entity coursedesign.de points to two IP numbers: 2a01:238:20a:202:1094:: and 81.169.145.94.

For instance, other host names hugenhof-simonswald.de, meersaitig.de, kaffee-espresso.net, vanvessum.com and rkff.net share IP numbers with coursedesign.de.

Name Servers

coursedesign.de is delegated to two name servers: docks08.rzone.de and shades15.rzone.de.

coursedesign.de uses the same name server setup as other domains such as bermatec.de, jumpshop.nl, stephenswalsall.com, medclub.de and huizenaanhetjanskerkhof.nl.

coursedesign.de shares name servers with other domains at least partially, for example comicsites.com, xn--dasrotehausfrkinder-hbc.de, maximon.de, mclean-family.de and euro-servicecenter.com.

these name servers are often used with the following: shades07.rzone.de, shades05.rzone.de, shades17.rzone.de, shades02.rzone.de, docks11.rzone.de, docks02.rzone.de, docks07.rzone.de, shades14.rzone.de, shades08.rzone.de and shades06.rzone.de.

Host names with two IP numbers:

docks08.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:8 and 217.160.80.135; shades15.rzone.de points to 2607:f1c0:fe:53:185:132:34:142 and 185.132.34.142.

Mail Servers

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

coursedesign.de shares the same mail server setup as other domains, for instance saunapark-kamperbrueck.de, erdestar.de, fertiggarage.guru, glueckslokal.de and lookool.de.

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