cn-systems.org - robtex.com

cn-systems.org

DNSSEC⚠️ Not signed
A82.165.29.242🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4
PTRweb.oakcircle.de
NSns4.unser-dns.de ⭐
A46.4.72.93🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3
PTRns3.unser-dns.de
NSns3.unser-dns.de
A82.165.29.242🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4
PTRweb.oakcircle.de
MXmail.cn-systems.org ⭐
A82.165.29.242🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4
PTRweb.oakcircle.de
TXTv=spf1 +a +mx +a:web.oakcircle.de -all
SOAns4.unser-dns.dejs@cn-systems.org 2026-02-26 #21

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1774589547

Subdomains

mail.cn-systems.org

Same first word

cn-systems.org

Similar names

nc-systems.net
nc-systems.info
nc-systems.nl
nc-systems.de
cns-system.co.kr

DNS History

17 records (4 active, 13 former)

20162017201820192020202120222023202420252026NSns3.unser-dns.dens4.unser-dns.dens1.unser-dns.dens2.unser-dns.deMXmail.cn-systems.orgalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA82.165.29.24246.4.72.8981.169.175.55
○NSns1.unser-dns.de2015-08-07 → 2019-12-21 · 4 obs
● 2015-08-07 13:40:16
● 2019-12-21 04:51:36
○ 2026-03-01 12:46:28
○ 2026-03-27 05:59:22
○NSns2.unser-dns.de2015-08-07 → 2019-12-21 · 4 obs
● 2015-08-07 13:40:16
● 2019-12-21 04:51:36
○ 2026-03-01 12:46:28
○ 2026-03-27 05:59:22
●NSns3.unser-dns.de2026-03-01 → 2026-03-27 · 3 obs
○ 2019-12-21 04:51:36
● 2026-03-01 12:46:28
● 2026-03-27 05:59:22
●NSns4.unser-dns.de2026-03-01 → 2026-03-27 · 3 obs
○ 2019-12-21 04:51:36
● 2026-03-01 12:46:28
● 2026-03-27 05:59:22
○MXalt1.aspmx.l.google.com2015-08-07 → 2019-12-21 · 4 obs
● 2015-08-07 13:40:16
● 2019-12-21 04:51:36
○ 2026-03-01 12:46:28
○ 2026-03-27 05:59:22
○MXalt2.aspmx.l.google.com2015-08-07 → 2019-12-21 · 4 obs
● 2015-08-07 13:40:16
● 2019-12-21 04:51:36
○ 2026-03-01 12:46:28
○ 2026-03-27 05:59:22
○MXalt3.aspmx.l.google.com2017-02-02 → 2019-12-21 · 5 obs
○ 2016-06-22 13:20:40
● 2017-02-02 22:19:46
● 2019-12-21 04:51:36
○ 2026-03-01 12:46:28
○ 2026-03-27 05:59:22
○MXalt4.aspmx.l.google.com2017-02-02 → 2019-12-21 · 5 obs
○ 2016-06-22 13:20:40
● 2017-02-02 22:19:46
● 2019-12-21 04:51:36
○ 2026-03-01 12:46:28
○ 2026-03-27 05:59:22
○MXaspmx.l.google.com2015-08-07 → 2019-12-21 · 4 obs
● 2015-08-07 13:40:16
● 2019-12-21 04:51:36
○ 2026-03-01 12:46:28
○ 2026-03-27 05:59:22
○MXaspmx2.googlemail.com2015-08-07 → 2016-06-22 · 4 obs
● 2015-08-07 13:40:16
● 2016-06-22 13:20:40
○ 2017-02-02 22:19:46
○ 2026-03-27 05:59:22
○MXaspmx3.googlemail.com2015-08-07 → 2016-06-22 · 4 obs
● 2015-08-07 13:40:16
● 2016-06-22 13:20:40
○ 2017-02-02 22:19:46
○ 2026-03-27 05:59:22
○MXaspmx4.googlemail.com2015-08-07 → 2016-06-22 · 4 obs
● 2015-08-07 13:40:16
● 2016-06-22 13:20:40
○ 2017-02-02 22:19:46
○ 2026-03-27 05:59:22
○MXaspmx5.googlemail.com2015-08-07 → 2016-06-22 · 4 obs
● 2015-08-07 13:40:16
● 2016-06-22 13:20:40
○ 2017-02-02 22:19:46
○ 2026-03-27 05:59:22
●MXmail.cn-systems.org2026-03-01 → 2026-03-27 · 3 obs
○ 2019-12-21 04:51:36
● 2026-03-01 12:46:28
● 2026-03-27 05:59:22
○A46.4.72.892017-02-02 → 2019-12-21 · 5 obs
○ 2016-06-22 13:20:40
● 2017-02-02 22:19:46
● 2019-12-21 04:51:36
○ 2026-03-01 12:46:28
○ 2026-03-27 05:59:22
○A81.169.175.552015-08-07 → 2016-06-22 · 4 obs
● 2015-08-07 13:40:16
● 2016-06-22 13:20:40
○ 2017-02-02 22:19:46
○ 2026-03-27 05:59:22
●A82.165.29.2422026-03-01 → 2026-03-27 · 3 obs
○ 2019-12-21 04:51:36
● 2026-03-01 12:46:28
● 2026-03-27 05:59:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
cn-systems.orgns4.unser-dns.de, ns3.unser-dns.de-

✅ Authoritative Response

Server:82.165.29.242

NS records: ns4.unser-dns.de, ns3.unser-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cn-systems.org (unsigned zone)

⏱️ Timing

Total: 908ms | Queries: -

📄 Records

TypeCountSample Data
A182.165.29.242
NS2ns3.unser-dns.de, ns4.unser-dns.de
MX1mail.cn-systems.org (pri: 10)
TXT1v=spf1 +a +mx +a:web.oakcircle.de -all
SOA1ns4.unser-dns.de js.cn-systems.org

Analysis

Hierarchy

cn-systems.org is the parent of mail.cn-systems.org.

IP Addresses

cn-systems.org resolves to one IP number: 82.165.29.242.

other host names including mail.cn-systems.org, lerntherapie-andrea-sitz.de, lerntherapie-as.de, mail.therapeutenliste.eu and atom-affe.de share IP numbers with cn-systems.org.

Name Servers

cn-systems.org is delegated to two name servers ns3.unser-dns.de and ns4.unser-dns.de.

cn-systems.org shares the same name server setup as other domains, for instance googelz.de, jakobine-sitz.de, l1b.de, jeldrick-sitz.de and krach-im-takt.de.

Host names with one IP number:

ns3.unser-dns.de points to 82.165.29.242

ns4.unser-dns.de points to 46.4.72.93

Mail Servers

cn-systems.org is handled by a single mail server, mail.cn-systems.org.

mail.cn-systems.org resolves to IP 82.165.29.242.