`kerninformatik.de`

DNSSEC	⚠️ Not signed
A	5.9.158.148^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
		PTR	`crafttopia.de`
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.kerninformatik.de` ⭐
		A	5.9.158.148^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`crafttopia.de`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-01-28 #3

`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=1776876260

Previously MX for

games-point.com

kerninformatik.de

Subdomains

ns01.kerninformatik.de

mail.kerninformatik.de

Same first word

kerninformatik.de

DNS History

10 records (5 active, 5 former)

○NSns01.domainssaubillig.de2015-06-14 → 2018-08-04 · 4 obs

● 2015-06-14 11:06:52
● 2018-08-04 16:51:26
○ 2026-03-27 15:47:04
○ 2026-04-22 17:07:40

○NSns02.domainssaubillig.de2015-06-14 → 2018-08-04 · 4 obs

● 2015-06-14 11:06:52
● 2018-08-04 16:51:26
○ 2026-03-27 15:47:04
○ 2026-04-22 17:07:40

●NSroot-dns.netcup.net2026-03-27 → 2026-04-22 · 3 obs

○ 2018-08-04 16:51:26
● 2026-03-27 15:47:04
● 2026-04-22 17:07:40

●NSsecond-dns.netcup.net2026-03-27 → 2026-04-22 · 3 obs

○ 2018-08-04 16:51:26
● 2026-03-27 15:47:04
● 2026-04-22 17:07:40

●NSthird-dns.netcup.net2026-03-27 → 2026-04-22 · 3 obs

○ 2018-08-04 16:51:26
● 2026-03-27 15:47:04
● 2026-04-22 17:07:40

○MXkerninformatik.de2015-06-14 → 2018-08-04 · 4 obs

● 2015-06-14 11:06:52
● 2018-08-04 16:51:26
○ 2026-03-27 15:47:04
○ 2026-04-22 17:07:40

●MXmail.kerninformatik.de2026-03-27 → 2026-04-22 · 3 obs

○ 2018-08-04 16:51:26
● 2026-03-27 15:47:04
● 2026-04-22 17:07:40

○A37.187.95.1562017-01-13 → 2018-08-04 · 5 obs

○ 2016-04-15 16:40:52
● 2017-01-13 11:57:20
● 2018-08-04 16:51:26
○ 2026-03-27 15:47:04
○ 2026-04-22 17:07:40

●A5.9.158.1482026-03-27 → 2026-04-22 · 3 obs

○ 2018-08-04 16:51:26
● 2026-03-27 15:47:04
● 2026-04-22 17:07:40

○A94.23.194.1212015-06-14 → 2016-04-15 · 4 obs

● 2015-06-14 11:06:52
● 2016-04-15 16:40:52
○ 2017-01-13 11:57:20
○ 2026-04-22 17:07:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
kerninformatik.de	third-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net	-

✅ Authoritative Response

Server:188.68.63.68

NS records: third-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kerninformatik.de (unsigned zone)

⏱️ Timing

Total: 1244ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.9.158.148`
NS	3	`root-dns.netcup.net, second-dns.netcup.net...`
MX	1	`mail.kerninformatik.de (pri: 10)`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

kerninformatik.de is a parent of ns01.kerninformatik.de and mail.kerninformatik.de.

IP Addresses

kerninformatik.de resolves to one IP number: 5.9.158.148.

Other host names, for instance static.148.158.9.5.clients.your-server.de, ns01.kerninformatik.de, crafttopia.de, c15.eu and mail.kerninformatik.de share IP numbers with kerninformatik.de.

Name Servers

kerninformatik.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

kerninformatik.de at least partially shares name servers with other domains, including tibe.at, atomslight.de, mms-rcs.de, mm-systems.de and gsimbuch.de.

Host names with two IP numbers:

root-dns.netcup.net: 2a03:4000:0:1::e1e1 and 46.38.225.225

second-dns.netcup.net: 2a03:4000:2:24b::c7c7 and 37.221.199.199

third-dns.netcup.net: 2a03:4001:0:106::3f44 and 188.68.63.68

Mail Servers

A single mail server handles kerninformatik.de, mail.kerninformatik.de.

Host name mail.kerninformatik.de resolves to a single IP: 5.9.158.148.

kerninformatik.de - robtex.com