`knollinformatik.de`

DNSSEC	⚠️ Not signed
A	79.140.41.235^{🇩🇪 VOLLMAR-AS79.140.32.0/20 vollmarnet-pa-route}
		PTR	`v3-1235.vlinux.de`
NS	`ns1.hosting.de` ⭐
		A	2a03:2900:3:1::2^{🇩🇪 AS488232a03:2900::/32}
			PTR	`ns1.routing.net`
		A	134.0.30.178^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`ns1.routing.net`
NS	`ns2.hosting.de`
		A	2001:4d8f:2::2^{🇩🇪 ROUTING-ANYCAST2001:4d8f::/32}
			PTR	`ns2.routing.net`
		A	194.50.113.2^{🇩🇪 ROUTING-ANYCAST194.50.113.0/24 vollmarnet-anycast-route}
			PTR	`ns2.routing.net`
NS	`ns3.hosting.de`
		A	2a03:2902:3:1::2^{🇩🇪 ACCELERATED-IT2a03:2902::/32 IP-Routing by firstcolo}
			PTR	`ns3.routing.net`
		A	194.126.196.2^{🇩🇪 ACCELERATED-IT194.126.196.0/24 IP-Routing by Accelerated IT Services GmbH}
			PTR	`ns3.routing.net`
MX	`v3-1235.vlinux.de` ⭐
		A	79.140.41.235^{🇩🇪 VOLLMAR-AS79.140.32.0/20 vollmarnet-pa-route}
			PTR	`v3-1235.vlinux.de`
SOA	`ns1.hosting.de`hostmaster@knollinformatik.de 2025-08-07 #0

`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=1775380061

Same first word

knollinformatik.eu

knollinformatik.de

DNS History

10 records (5 active, 5 former)

●NSns1.hosting.de2026-02-24 → 2026-04-05 · 3 obs

○ 2019-05-01 12:05:06
● 2026-02-24 02:17:08
● 2026-04-05 09:09:50

○NSns1.vollmar.net2015-07-18 → 2019-05-01 · 4 obs

● 2015-07-18 03:32:34
● 2019-05-01 12:05:06
○ 2026-02-24 02:17:08
○ 2026-04-05 09:09:50

●NSns2.hosting.de2026-02-24 → 2026-04-05 · 3 obs

○ 2019-05-01 12:05:06
● 2026-02-24 02:17:08
● 2026-04-05 09:09:50

○NSns2.vollmar.net2015-07-18 → 2019-05-01 · 4 obs

● 2015-07-18 03:32:34
● 2019-05-01 12:05:06
○ 2026-02-24 02:17:08
○ 2026-04-05 09:09:50

●NSns3.hosting.de2026-02-24 → 2026-04-05 · 3 obs

○ 2019-05-01 12:05:06
● 2026-02-24 02:17:08
● 2026-04-05 09:09:50

○NSns3.vollmar.net2015-07-18 → 2019-05-01 · 4 obs

● 2015-07-18 03:32:34
● 2019-05-01 12:05:06
○ 2026-02-24 02:17:08
○ 2026-04-05 09:09:50

○MXm6s20.vlinux.de2015-07-18 → 2019-05-01 · 4 obs

● 2015-07-18 03:32:34
● 2019-05-01 12:05:06
○ 2026-02-24 02:17:08
○ 2026-04-05 09:09:50

●MXv3-1235.vlinux.de2026-02-24 → 2026-04-05 · 3 obs

○ 2019-05-01 12:05:06
● 2026-02-24 02:17:08
● 2026-04-05 09:09:50

●A79.140.41.2352026-02-24 → 2026-04-05 · 3 obs

○ 2019-05-01 12:05:06
● 2026-02-24 02:17:08
● 2026-04-05 09:09:50

○A83.151.27.1822015-07-18 → 2019-05-01 · 4 obs

● 2015-07-18 03:32:34
● 2019-05-01 12:05:06
○ 2026-02-24 02:17:08
○ 2026-04-05 09:09:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
knollinformatik.de	ns2.hosting.de, ns1.hosting.de, ns3.hosting.de	6 records

✅ Authoritative Response

Server:194.126.196.2

NS records: ns2.hosting.de, ns1.hosting.de, ns3.hosting.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knollinformatik.de (unsigned zone)

⏱️ Timing

Total: 1000ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`79.140.41.235`
NS	3	`ns2.hosting.de, ns1.hosting.de...`
MX	1	`v3-1235.vlinux.de (pri: 10)`
SOA	1	`ns1.hosting.de hostmaster.knollinformati`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.hosting.de, ns2.hosting.de, ns3.hosting.de...)

Analysis

IP Addresses

knollinformatik.de points to a single IP number: 79.140.41.235.

Other host names, for instance knollinformatik.eu, zudiensten.com, zudiensten.de, handarbeitskreis.de and alleshandarbeit.de share IP numbers with knollinformatik.de.

Name Servers

The domain knollinformatik.de is delegated to three name servers: ns1.hosting.de, ns2.hosting.de and ns3.hosting.de.

knollinformatik.de shares name servers with other domains at least partially, for instance repetieren.ch, divehouse.de, seifert.pro, fivemag.net and vierke.de.

these name servers are often used with ns1.routing.net, ns2.routing.net and ns3.routing.net.

Host names with two IP numbers:

ns1.hosting.de points to 2a03:2900:3:1::2 and 134.0.30.178

ns2.hosting.de points to 2001:4d8f:2::2 and 194.50.113.2

ns3.hosting.de points to 2a03:2902:3:1::2 and 194.126.196.2

Mail Servers

The mail server for knollinformatik.de is v3-1235.vlinux.de.

knollinformatik.de shares the mail server setup with other domains, such as knollinformatik.eu, zudiensten.com, handarbeitskreis.de and alleshandarbeit.de.

Host name v3-1235.vlinux.de resolves to IP 79.140.41.235.

knollinformatik.de - robtex.com