`computerkursus.de`

DNSSEC	⚠️ Not signed
A	193.254.188.218^{🇩🇪 CRONON-AS193.254.184.0/21 VAUTRON-NET-1}
		PTR	`acompi-com-1.vautronserver.de`
NS	`ns1.semicom.de` ⭐
		A	217.160.80.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
NS	`ns2.semicom.de`
		A	2001:8d8:fe:53:217:160:81:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
		A	217.160.81.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
NS	`ns3.semicom.de`
		A	2607:f1c0:fe:53:185:132:35:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.org`
		A	185.132.35.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.org`
NS	`ns4.semicom.de`
		A	185.132.34.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.com`
TXT	`6ee53d0737451f5dad1a0887da053842f7671ed6`
SOA	`ns1.semicom.de`nic-acompi@t-online.de 2023-05-20 #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=1774646921

Same first word

computerkursus.de

DNS History

7 records (5 active, 2 former)

●NSns1.semicom.de2015-07-17 → 2026-03-27 · 2 obs

● 2015-07-17 00:59:34
● 2026-03-27 21:29:58

●NSns2.semicom.de2015-07-17 → 2026-03-27 · 2 obs

● 2015-07-17 00:59:34
● 2026-03-27 21:29:58

●NSns3.semicom.de2015-07-17 → 2026-03-27 · 2 obs

● 2015-07-17 00:59:34
● 2026-03-27 21:29:58

●NSns4.semicom.de2015-07-17 → 2026-03-27 · 2 obs

● 2015-07-17 00:59:34
● 2026-03-27 21:29:58

○MXmail.computerkursus.de2015-07-17 → 2017-03-27 · 4 obs

● 2015-07-17 00:59:34
● 2017-03-27 21:30:12
○ 2026-02-26 14:52:48
○ 2026-03-27 21:29:58

●A193.254.188.2182026-02-26 → 2026-03-27 · 3 obs

○ 2017-03-27 21:30:12
● 2026-02-26 14:52:48
● 2026-03-27 21:29:58

○A193.254.190.1672015-07-17 → 2017-03-27 · 4 obs

● 2015-07-17 00:59:34
● 2017-03-27 21:30:12
○ 2026-02-26 14:52:48
○ 2026-03-27 21:29:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, z.nic.de, f.nic.de	-
computerkursus.de	ns1.semicom.de, ns2.semicom.de, ns3.semicom.de, ns4.semicom.de	-

✅ Authoritative Response

Server:217.160.81.161

NS records: ns1.semicom.de, ns2.semicom.de, ns3.semicom.de, ns4.semicom.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computerkursus.de (unsigned zone)

⏱️ Timing

Total: 1456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.254.188.218`
NS	4	`ns4.semicom.de, ns3.semicom.de...`
TXT	1	`6ee53d0737451f5dad1a0887da053842f7671ed6`
SOA	1	`ns1.semicom.de nic-acompi.t-online.de`

Analysis

IP Addresses

computerkursus.de points to an IP address: 193.254.188.218.

other host names include domainmuster.de, reparatur-computer.de, pc-wartungen.de, xn--einbruchschden-gib.de and energiegutachten.net; they share IP numbers with computerkursus.de.

Name Servers

computerkursus.de delegates to four name servers: ns1.semicom.de, ns2.semicom.de, ns3.semicom.de and ns4.semicom.de.

computerkursus.de at least partially shares name servers with other domains, for instance seoleitfaden.de, it-notdienstservice.de, preiswerte-reparatur.de, dateiverlust.de and (0x706f726e)os-(0x736578).de.

Host names with two IP numbers:

ns2.semicom.de points to: 2001:8d8:fe:53:217:160:81:161 and 217.160.81.161

ns3.semicom.de points to: 2607:f1c0:fe:53:185:132:35:161 and 185.132.35.161

Host names with one IP number:

ns1.semicom.de points to: 217.160.80.161

ns4.semicom.de points to: 185.132.34.161

computerkursus.de - robtex.com