`coursemanager.de`

DNSSEC	⚠️ Not signed
A	62.116.130.8^{🇩🇪 INTERNETX-AS62.116.128.0/19 INTERNETX-MUC-2}
		PTR	`redirect.domain-robot.org`
NS	`a.ns14.net` ⭐
		A	2001:8d8:fe:53:217:160:80:160^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.de`
		A	217.160.80.160^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.de`
NS	`b.ns14.net`
		A	2001:8d8:fe:53:217:160:81:160^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.biz`
		A	217.160.81.160^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix1.ui-dns.biz`
NS	`c.ns14.net`
		A	2607:f1c0:fe:53:185:132:35:160^{🇺🇸 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-ix1.ui-dns.org`
		A	185.132.35.160^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix1.ui-dns.org`
NS	`d.ns14.net`
		A	2607:f1c0:fe:53:185:132:34:160^{🇺🇸 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-ix1.ui-dns.com`
		A	185.132.34.160^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix1.ui-dns.com`
SOA	`a.ns14.net`eugen\@schuhmacher.gmx.de 2017-09-15 #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=1778395890

Same first word

coursemanager.de

coursemanager.net

coursemanager.io

Similar names

cougarsnearme.com

sourcemanager.com

sourcemanager.dev

sourcemanager.ru

managercourse.com

DNS History

11 records (5 active, 6 former)

●NSa.ns14.net2026-04-05 → 2026-05-10 · 3 obs

○ 2017-02-19 04:30:54
● 2026-04-05 00:28:32
● 2026-05-10 07:01:44

●NSb.ns14.net2026-04-05 → 2026-05-10 · 3 obs

○ 2017-02-19 04:30:54
● 2026-04-05 00:28:32
● 2026-05-10 07:01:44

●NSc.ns14.net2026-04-05 → 2026-05-10 · 3 obs

○ 2017-02-19 04:30:54
● 2026-04-05 00:28:32
● 2026-05-10 07:01:44

●NSd.ns14.net2026-04-05 → 2026-05-10 · 3 obs

○ 2017-02-19 04:30:54
● 2026-04-05 00:28:32
● 2026-05-10 07:01:44

○NSns.stratoserver.net2015-07-08 → 2016-06-26 · 4 obs

● 2015-07-08 16:00:48
● 2016-06-26 19:06:06
○ 2017-02-19 04:30:54
○ 2026-05-10 07:01:44

○NSns2.stratoserver.net2015-07-08 → 2016-06-26 · 4 obs

● 2015-07-08 16:00:48
● 2016-06-26 19:06:06
○ 2017-02-19 04:30:54
○ 2026-05-10 07:01:44

○NSns3.stratoserver.net2017-02-19 → 2017-02-19 · 4 obs

○ 2016-06-26 19:06:06
● 2017-02-19 04:30:54
○ 2026-04-05 00:28:32
○ 2026-05-10 07:01:44

○NSns4.stratoserver.net2017-02-19 → 2017-02-19 · 4 obs

○ 2016-06-26 19:06:06
● 2017-02-19 04:30:54
○ 2026-04-05 00:28:32
○ 2026-05-10 07:01:44

○MXmx.54131320.de.strato-hosting.eu2015-07-08 → 2017-02-19 · 4 obs

● 2015-07-08 16:00:48
● 2017-02-19 04:30:54
○ 2026-04-05 00:28:32
○ 2026-05-10 07:01:44

●A62.116.130.82026-04-05 → 2026-05-10 · 3 obs

○ 2017-02-19 04:30:54
● 2026-04-05 00:28:32
● 2026-05-10 07:01:44

○A81.169.215.602015-07-08 → 2017-02-19 · 4 obs

● 2015-07-08 16:00:48
● 2017-02-19 04:30:54
○ 2026-04-05 00:28:32
○ 2026-05-10 07:01:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
coursemanager.de	d.ns14.net, a.ns14.net, b.ns14.net, c.ns14.net	-

✅ Authoritative Response

Server:217.160.81.160

NS records: d.ns14.net, a.ns14.net, b.ns14.net, c.ns14.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursemanager.de (unsigned zone)

⏱️ Timing

Total: 1374ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.116.130.8`
NS	4	`c.ns14.net, b.ns14.net...`
SOA	1	`a.ns14.net eugen\.schuhmacher.gmx.de`

Analysis

IP Addresses

coursemanager.de resolves to a single IP address: 62.116.130.8.

Other host names including lbs-i.de, kmuh.de, mail.2fz.de, magnetine.net and geierreisen.com share IP numbers with coursemanager.de.

Name Servers

coursemanager.de is delegated to four name servers: a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net.

coursemanager.de at least partially shares name servers with other domains, including bytesitter.de, buddyshop.de, bdi.de, dogatec.de and spamdatenbank.de.

Hosts with two IP numbers:

Host a.ns14.net points to 2001:8d8:fe:53:217:160:80:160 and 217.160.80.160

Host b.ns14.net points to 2001:8d8:fe:53:217:160:81:160 and 217.160.81.160

Host c.ns14.net points to 2607:f1c0:fe:53:185:132:35:160 and 185.132.35.160

Host d.ns14.net points to 2607:f1c0:fe:53:185:132:34:160 and 185.132.34.160

coursemanager.de - robtex.com