`microreaction-technology.com`

DNSSEC	⚠️ Not signed
A	83.137.171.248^{🇩🇪 DOM-AS83.137.168.0/21 DOM Digital Online Media GmbH Hosting Center D�sseldorf}
		PTR	`bayertech2.sys.dom.de`
NS	`koelner.dom.de` ⭐
		A	83.137.168.250^{🇩🇪 DOM-AS83.137.168.0/21 DOM Digital Online Media GmbH Hosting Center D�sseldorf}
			PTR	`ns1.as31521.de`
NS	`ns1.as31521.de`
		A	83.137.168.250^{🇩🇪 DOM-AS83.137.168.0/21 DOM Digital Online Media GmbH Hosting Center D�sseldorf}
			PTR	`ns1.as31521.de`
NS	`ns2.as31521.net`
		A	195.138.35.78^{🇩🇪 KNIPP-AS195.138.32.0/22}
			PTR	`ns.dom.knipp.de`
NS	`ns3.as31521.de`
		A	83.137.170.250^{🇩🇪 DOM-AS83.137.168.0/21 DOM Digital Online Media GmbH Hosting Center D�sseldorf}
			PTR	`ns3.as31521.de`
MX	`mx0.microreaction-technology.com` ⭐
		A	80.237.138.5^{🇩🇪 GD-EMEA-DC-CGN180.237.138.0/24 GD MASS Network}
			PTR	`mx0.webpack.hosteurope.de`
SOA	`koelner.dom.de`hostmaster@dom.de 2017-08-17 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776996211

Subdomains

mx0.microreaction-technology.com

Same first word

microreaction-technology.com

DNS History

11 records (6 active, 5 former)

●NSkoelner.dom.de2026-03-17 → 2026-04-24 · 3 obs

○ 2017-04-09 19:02:56
● 2026-03-17 07:11:14
● 2026-04-24 02:28:14

●NSns1.as31521.de2026-03-17 → 2026-04-24 · 3 obs

○ 2017-04-09 19:02:56
● 2026-03-17 07:11:14
● 2026-04-24 02:28:14

○NSns1.hans.hosteurope.de2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 06:57:50
○ 2015-07-24 02:19:38
○ 2026-04-24 02:28:14

●NSns2.as31521.net2026-03-17 → 2026-04-24 · 3 obs

○ 2017-04-09 19:02:56
● 2026-03-17 07:11:14
● 2026-04-24 02:28:14

○NSns2.hans.hosteurope.de2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 06:57:50
○ 2015-07-24 02:19:38
○ 2026-04-24 02:28:14

●NSns3.as31521.de2026-03-17 → 2026-04-24 · 3 obs

○ 2017-04-09 19:02:56
● 2026-03-17 07:11:14
● 2026-04-24 02:28:14

○NSpdns1.cscdns.net2015-07-24 → 2017-04-09 · 5 obs

○ 2008-03-16 06:57:50
● 2015-07-24 02:19:38
● 2017-04-09 19:02:56
○ 2026-03-17 07:11:14
○ 2026-04-24 02:28:14

○NSpdns2.cscdns.net2015-07-24 → 2017-04-09 · 5 obs

○ 2008-03-16 06:57:50
● 2015-07-24 02:19:38
● 2017-04-09 19:02:56
○ 2026-03-17 07:11:14
○ 2026-04-24 02:28:14

●MXmx0.microreaction-technology.com2008-03-16 → 2026-04-24 · 2 obs

● 2008-03-16 06:57:50
● 2026-04-24 02:28:14

○A80.237.132.1052008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 06:57:50
○ 2015-07-24 02:19:38
○ 2026-04-24 02:28:14

●A83.137.171.2482015-07-24 → 2026-04-24 · 3 obs

○ 2008-03-16 06:57:50
● 2015-07-24 02:19:38
● 2026-04-24 02:28:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net...	-
microreaction-technology.com	ns1.as31521.de, ns3.as31521.de, ns2.as31521.net	-

✅ Authoritative Response

Server:83.137.168.250

NS records: ns1.as31521.de, ns3.as31521.de, ns2.as31521.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for microreaction-technology.com (unsigned zone)

⏱️ Timing

Total: 2135ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.137.171.248`
NS	3	`ns3.as31521.de, ns1.as31521.de...`
MX	1	`mx0.microreaction-technology.com (pri: 5`
SOA	1	`koelner.dom.de hostmaster.dom.de`

Analysis

Hierarchy

microreaction-technology.com is the parent of mx0.microreaction-technology.com.

IP Addresses

microreaction-technology.com resolves to one IP number: 83.137.171.248.

Other host names, for instance mikro-reaktionstechnik.de, share IP numbers with microreaction-technology.com.

Name Servers

microreaction-technology.com is delegated to four name servers: ns1.as31521.de, ns3.as31521.de, koelner.dom.de and ns2.as31521.net.

microreaction-technology.com at least partially shares name servers with other domains, for instance reifen-druemecker.de, quick-jobs.de, premio-gewinnspiel.de, ivonet.de and reifen-tripke.de.

these name servers are commonly used alongside ns.dom.knipp.de.

Host names with one IP:

ns1.as31521.de points to 83.137.168.250

ns3.as31521.de points to 83.137.170.250

koelner.dom.de points to 83.137.168.250

ns2.as31521.net points to 195.138.35.78

Host names that point to 83.137.168.250: ns1.as31521.de and koelner.dom.de

Mail Servers

microreaction-technology.com is handled by a single mail server, mx0.microreaction-technology.com.

mx0.microreaction-technology.com resolves to IP 80.237.138.5.

microreaction-technology.com - robtex.com