`systemtechnik-online.de`

DNSSEC	⚠️ Not signed
A	145.253.117.107^{🇩🇪 VODANET145.253.0.0/16 ARCOR-IP}
NS	`a.ns.keyweb.org` ⭐
		A	95.169.160.236^{🇩🇪 KEYWEB-AS95.169.160.0/24}
			PTR	`h-95.169.160.236.keyweb.de`
NS	`b.ns.keyweb.org`
		A	95.169.169.6^{🇩🇪 KEYWEB-AS95.169.169.0/24}
NS	`c.ns.keyweb.de`
		A	130.117.189.10^{🇩🇪 KEYWEB-AS130.117.189.0/24 Route Registered for Cogent Communications Customer Keyweb AG}
MX	`systemtechnikonline-de03c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
TXT	`fwHCnwCicJb3eZsvW8FZkQsI2BKeQ38evH6+SE0Uc0w1jcsxeV9dya0uobsDWHtbhdPwNOCr8SBF7...`
TXT	`anthropic-domain-verification-28va7k=SpySvIuLRL5nSf9GZ46q9YhQp`
TXT	`MS=ms11450353`
TXT	`v=spf1 mx ip4:87.118.116.204 ip4:87.118.117.204 ip4:145.253.117.96/28 include...`
TXT	`MS=ms86708187`
TXT	`brevo-code:9a4dfde6b1bc1a44f9fd7a52bd02db69`
TXT	`MS=3227E16A93594FB2272D1D507127D07FAAB749B3`
TXT	`globalsign-domain-verification=uoL8BKgfpy9Tz9xZTTMW8oNzR8IhXUjAK4rK_QNpN7`
TXT	`spycloud-domain-verification=f90d5ac6-bd79-42ac-873d-270fa32ccf20`
SOA	`a.ns.keyweb.org`administrator@systemtechnik-online.de 2026-03-27 #2

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1777258441

Subdomains

idun.systemtechnik-online.de

mail-versand.systemtechnik-online.de

Same first word

systemtechnik-online.de

DNS History

11 records (5 active, 6 former)

●NSa.ns.keyweb.org2026-03-08 → 2026-04-27 · 3 obs

○ 2018-05-07 09:44:50
● 2026-03-08 19:45:40
● 2026-04-27 03:09:08

●NSb.ns.keyweb.org2026-03-08 → 2026-04-27 · 3 obs

○ 2018-05-07 09:44:50
● 2026-03-08 19:45:40
● 2026-04-27 03:09:08

●NSc.ns.keyweb.de2026-03-08 → 2026-04-27 · 3 obs

○ 2018-05-07 09:44:50
● 2026-03-08 19:45:40
● 2026-04-27 03:09:08

○NSns.km31031-05.keymachine.de2018-05-07 → 2018-05-07 · 4 obs

○ 2016-12-28 22:52:08
● 2018-05-07 09:44:50
○ 2026-03-08 19:45:40
○ 2026-04-27 03:09:08

○NSns.namespace4you.de2015-08-13 → 2016-12-28 · 4 obs

● 2015-08-13 19:11:28
● 2016-12-28 22:52:08
○ 2018-05-07 09:44:50
○ 2026-04-27 03:09:08

○NSns2.km31031-05.keymachine.de2018-05-07 → 2018-05-07 · 4 obs

○ 2016-12-28 22:52:08
● 2018-05-07 09:44:50
○ 2026-03-08 19:45:40
○ 2026-04-27 03:09:08

○NSns2.namespace4you.de2015-08-13 → 2016-12-28 · 4 obs

● 2015-08-13 19:11:28
● 2016-12-28 22:52:08
○ 2018-05-07 09:44:50
○ 2026-04-27 03:09:08

○MXidun.systemtechnik-online.de2015-08-13 → 2018-05-07 · 4 obs

● 2015-08-13 19:11:28
● 2018-05-07 09:44:50
○ 2026-03-08 19:45:40
○ 2026-04-27 03:09:08

○MXsnorta.systemtechnik-online.de2018-05-07 → 2018-05-07 · 4 obs

○ 2015-08-13 19:11:28
● 2018-05-07 09:44:50
○ 2026-03-08 19:45:40
○ 2026-04-27 03:09:08

●MXsystemtechnikonline-de03c.mail.protection.outlook.com2026-03-08 → 2026-04-27 · 3 obs

○ 2018-05-07 09:44:50
● 2026-03-08 19:45:40
● 2026-04-27 03:09:08

●A145.253.117.1072015-08-13 → 2026-04-27 · 2 obs

● 2015-08-13 19:11:28
● 2026-04-27 03:09:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
systemtechnik-online.de	b.ns.keyweb.org, c.ns.keyweb.de, a.ns.keyweb.org	-

✅ Authoritative Response

Server:95.169.169.6

NS records: b.ns.keyweb.org, c.ns.keyweb.de, a.ns.keyweb.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemtechnik-online.de (unsigned zone)

⏱️ Timing

Total: 1377ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`145.253.117.107`
NS	3	`a.ns.keyweb.org, b.ns.keyweb.org...`
MX	1	`systemtechnikonline-de03c.mail.protectio`
TXT	9	`fwHCnwCicJb3eZsvW8FZkQsI2BKeQ38evH6+SE0U, anthropic-domain-verification-28va7k=Spy...`
SOA	1	`a.ns.keyweb.org administrator.systemtech`

Analysis

Hierarchy

systemtechnik-online.de is the parent of idun.systemtechnik-online.de and mail-versand.systemtechnik-online.de.

IP Addresses

systemtechnik-online.de resolves to a single IP: 145.253.117.107.

Other host names, for instance, systemtechnik-gmbh.com and mail.systemtechnik-gmbh.com share IP numbers with systemtechnik-online.de.

Name Servers

systemtechnik-online.de delegates to three name servers: c.ns.keyweb.de, a.ns.keyweb.org and b.ns.keyweb.org.

systemtechnik-online.de shares some name servers with other domains, for example beneering.com, news.de, kiez.de, megabit.at and endanet.gmbh.

These name servers are commonly used together with a.misconfigured.powerdns.server and a.u-ns.net.

Host names with a single IP: c.ns.keyweb.de points to 130.117.189.10; a.ns.keyweb.org points to 95.169.160.236; b.ns.keyweb.org points to 95.169.169.6.

Mail Servers

systemtechnik-online.de is handled by a single mail server, systemtechnikonline-de03c.mail.protection.outlook.com.

Host systemtechnikonline-de03c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::7, 52.101.68.8, 52.101.68.27, 52.101.73.2 and 52.101.73.6.

systemtechnik-online.de - robtex.com