`cotec-klassenzimmer.de`

DNSSEC	⚠️ Not signed
NS	`ns1.komro.net` ⭐
		A	2a02:2488:2::1:53:1^{🇩🇪 KOMRO-AS2a02:2488::/32 KOMRO GMBH}
			PTR	`ns1.komro.net`
		A	185.31.60.244^{🇩🇪 KOMRO-AS185.31.60.0/22 Komro GmbH}
			PTR	`ns1.komro.net`
NS	`ns2.komro.net`
		A	2a01:4f8:171:1d4::53^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns2.komro.net`
		A	136.243.89.213^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
			PTR	`ns2.komro.net`
MX	`mail.cotec.de` ⭐
		A	37.156.93.10^{🇩🇪 KOMRO-AS37.156.80.0/20 KOMRO GMBH}
			PTR	`mail.cotec.de`
MX	`mail4.cablenet.de`⁽²⁰⁾
		A	37.156.95.20^{🇩🇪 KOMRO-AS37.156.80.0/20 KOMRO GMBH}
SOA	`ns1.komro.net`hostmaster@komro.net 2018-05-07 #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=1776169565

Same first word

cotec-klassenzimmer.de

DNS History

6 records (4 active, 2 former)

○NSns.komro.net2015-08-15 → 2017-03-14 · 4 obs

● 2015-08-15 06:20:54
● 2017-03-14 06:38:12
○ 2020-01-10 23:28:10
○ 2026-04-14 12:38:42

●NSns1.komro.net2020-01-10 → 2026-04-14 · 3 obs

○ 2017-03-14 06:38:12
● 2020-01-10 23:28:10
● 2026-04-14 12:38:42

○NSns10.ns14.de2015-08-15 → 2017-03-14 · 4 obs

● 2015-08-15 06:20:54
● 2017-03-14 06:38:12
○ 2020-01-10 23:28:10
○ 2026-04-14 12:38:42

●NSns2.komro.net2020-01-10 → 2026-04-14 · 3 obs

○ 2017-03-14 06:38:12
● 2020-01-10 23:28:10
● 2026-04-14 12:38:42

●MXmail.cotec.de2015-08-15 → 2026-04-14 · 2 obs

● 2015-08-15 06:20:54
● 2026-04-14 12:38:42

●MXmail4.cablenet.de2015-08-15 → 2026-04-14 · 2 obs

● 2015-08-15 06:20:54
● 2026-04-14 12:38:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
cotec-klassenzimmer.de	ns1.komro.net, ns2.komro.net	-

✅ Authoritative Response

Server:136.243.89.213

NS records: ns1.komro.net, ns2.komro.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cotec-klassenzimmer.de (unsigned zone)

⏱️ Timing

Total: 863ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.komro.net, ns1.komro.net`
MX	2	`mail4.cablenet.de (pri: 20), mail.cotec.de (pri: 10)`
SOA	1	`ns1.komro.net hostmaster.komro.net`

Analysis

Name Servers

cotec-klassenzimmer.de is delegated to two name servers: ns1.komro.net and ns2.komro.net.

cotec-klassenzimmer.de uses the same name server setup as other domains such as pte-rosenheim.de, 60.31.185.in-addr.arpa, 211.72.217.in-addr.arpa, cotec.de and ro-gis.de.

Host names with two IP numbers:

ns1.komro.net points to 2a02:2488:2::1:53:1 and 185.31.60.244; ns2.komro.net points to 2a01:4f8:171:1d4::53 and 136.243.89.213.

Mail Servers

Two mail servers mail4.cablenet.de and mail.cotec.de handle cotec-klassenzimmer.de.

cotec-klassenzimmer.de shares mail servers with other domains at least partially; for instance dachaucitycom.de, cundh.net, cotec-verlag.de, edling.eu and multimedia-home.net.

These mail servers are often used with mail2.cablenet.de, mail.cundh.net, mail.edling.de, mail.rozet.de, mail.ridler.cablenet.de, mail.lifetimepictures.de and mail.ift-rosenheim.de.

Host names with one IP number:

mail4.cablenet.de points to: 37.156.95.20.

mail.cotec.de points to: 37.156.93.10.

cotec-klassenzimmer.de - robtex.com