ipcourses.org - dns.ninja

`ipcourses.org`

DNSSEC	⚠️ Not signed
A	185.101.158.171^{🇨🇭 hosttech-AS185.101.158.0/24}
		PTR	`mx.polymind.gmbh`
NS	`ns1.hostserv.eu` ⭐ ⚠️ Not in parent delegation
		A	2001:1680:101:1::2^{🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland}
		A	82.220.34.231^{🇨🇭 SOLNET82.220.0.0/16 SolNet Switzerland}
			PTR	`ns1.tripledns.eu`
NS	`ns1.hosttech.ch` ⚠️ Not in zone NS records
		A	2001:1680:101:1::2^{🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland}
		A	82.220.34.231^{🇨🇭 SOLNET82.220.0.0/16 SolNet Switzerland}
			PTR	`ns1.tripledns.eu`
NS	`ns2.hostserv.eu` ⚠️ Not in parent delegation
		A	2001:1af8:4700:a120:4::2^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
		A	5.79.97.178^{🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB}
			PTR	`ns2.tripledns.eu`
NS	`ns2.hosttech.ch` ⚠️ Not in zone NS records
		A	2001:1af8:4700:a120:4::2^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
		A	5.79.97.178^{🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB}
			PTR	`ns2.tripledns.eu`
NS	`ns3.hostserv.eu` ⚠️ Not in parent delegation
		A	2a01:4f8:c0c:289d::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	94.130.74.45^{🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC}
			PTR	`ns3.tripledns.eu`
NS	`ns3.hosttech.ch` ⚠️ Not in zone NS records
		A	2a01:4f8:c0c:289d::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	94.130.74.45^{🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC}
			PTR	`ns3.tripledns.eu`
MX	`mx.polymind.gmbh` ⭐
		A	185.101.158.171^{🇨🇭 hosttech-AS185.101.158.0/24}
			PTR	`mx.polymind.gmbh`
TXT	`v=spf1 ip4:185.101.158.171 mx:ipcourses.org ~all`
SOA	`ns1.hostserv.eu`dns@hosttech.eu 2026-02-05 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1782070575

Same first word

ipcourses.org

ipcourses.com

Similar names

DNS History

13 records (8 active, 5 former)

●NSns1.hostserv.eu2026-02-17 → 2026-06-21 · 3 obs

○ 2017-10-31 15:41:46
● 2026-02-17 04:15:20
● 2026-06-21 20:04:44

●NSns1.hosttech.ch2026-02-17 → 2026-06-21 · 3 obs

○ 2017-10-31 15:41:46
● 2026-02-17 04:15:20
● 2026-06-21 20:04:44

○NSns1.netfirms.com2015-04-27 → 2017-10-31 · 4 obs

● 2015-04-27 03:30:52
● 2017-10-31 15:41:46
○ 2026-02-17 04:15:20
○ 2026-06-21 20:04:44

●NSns2.hostserv.eu2026-02-17 → 2026-06-21 · 3 obs

○ 2017-10-31 15:41:46
● 2026-02-17 04:15:20
● 2026-06-21 20:04:44

●NSns2.hosttech.ch2026-02-17 → 2026-06-21 · 3 obs

○ 2017-10-31 15:41:46
● 2026-02-17 04:15:20
● 2026-06-21 20:04:44

○NSns2.netfirms.com2015-04-27 → 2017-10-31 · 4 obs

● 2015-04-27 03:30:52
● 2017-10-31 15:41:46
○ 2026-02-17 04:15:20
○ 2026-06-21 20:04:44

●NSns3.hostserv.eu2026-02-17 → 2026-06-21 · 3 obs

○ 2017-10-31 15:41:46
● 2026-02-17 04:15:20
● 2026-06-21 20:04:44

●NSns3.hosttech.ch2026-02-17 → 2026-06-21 · 3 obs

○ 2017-10-31 15:41:46
● 2026-02-17 04:15:20
● 2026-06-21 20:04:44

○MXmx.ipcourses.org2015-04-27 → 2017-10-31 · 4 obs

● 2015-04-27 03:30:52
● 2017-10-31 15:41:46
○ 2026-02-17 04:15:20
○ 2026-06-21 20:04:44

●MXmx.polymind.gmbh2026-02-17 → 2026-06-21 · 3 obs

○ 2017-10-31 15:41:46
● 2026-02-17 04:15:20
● 2026-06-21 20:04:44

●A185.101.158.1712026-02-17 → 2026-06-21 · 3 obs

○ 2017-10-31 15:41:46
● 2026-02-17 04:15:20
● 2026-06-21 20:04:44

○A66.96.149.322016-03-31 → 2017-10-31 · 5 obs

○ 2016-01-04 01:38:16
● 2016-03-31 00:58:24
● 2017-10-31 15:41:46
○ 2026-02-17 04:15:20
○ 2026-06-21 20:04:44

○A66.96.160.1572015-04-27 → 2016-01-04 · 4 obs

● 2015-04-27 03:30:52
● 2016-01-04 01:38:16
○ 2016-03-31 00:58:24
○ 2026-06-21 20:04:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
ipcourses.org	ns3.hosttech.ch, ns1.hosttech.ch, ns2.hosttech.ch	-

✅ Authoritative Response

Server:94.130.74.45

NS records: ns3.hosttech.ch, ns1.hosttech.ch, ns2.hosttech.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ipcourses.org (unsigned zone)

⏱️ Timing

Total: 1069ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.101.158.171`
NS	3	`ns2.hostserv.eu, ns1.hostserv.eu...`
MX	1	`mx.polymind.gmbh (pri: 10)`
TXT	1	`v=spf1 ip4:185.101.158.171 mx:ipcourses.`
SOA	1	`ns1.hostserv.eu dns.hosttech.eu`

Analysis

IP Addresses

ipcourses.org directs to one IP number, which is 185.101.158.171.

Among the host names that share IP numbers with ipcourses.org are mail.uniquorn.com, huebscher.world, uniquorn.com and two others.

Name Servers

DNS for ipcourses.org is handled by 6 name servers: ns1.hosttech.ch, ns2.hosttech.ch, ns3.hosttech.ch and 3 others.

ipcourses.org shares at least some of its name servers with other domains, including exprimo.ch, swissea.ch, sandp.ch and two others.

These name servers are frequently seen alongside ns1.hostserv.eu, ns2.hostserv.eu, ns3.hostserv.eu and 3 other name servers.

Hosts with two IP numbers each:

ns1.hosttech.ch has two IP addresses: 82.220.34.231 and 2001:1680:101:1::2.

ns2.hosttech.ch has two IP addresses: 5.79.97.178 and 2001:1af8:4700:a120:4::2.

ns3.hosttech.ch has two IP addresses: 94.130.74.45 and 2a01:4f8:c0c:289d::2.

ns1.hostserv.eu has two IP addresses: 82.220.34.231 and 2001:1680:101:1::2.

ns2.hostserv.eu has two IP addresses: 5.79.97.178 and 2001:1af8:4700:a120:4::2.

ns3.hostserv.eu has two IP addresses: 94.130.74.45 and 2a01:4f8:c0c:289d::2.

Host names pointing to 2001:1680:101:1::2 IP addresses: ns1.hosttech.ch and ns1.hostserv.eu.

Host names pointing to 82.220.34.231 IP addresses: ns1.hosttech.ch and ns1.hostserv.eu.

Host names pointing to 2001:1af8:4700:a120:4::2 IP addresses: ns2.hosttech.ch and ns2.hostserv.eu.

Host names pointing to 5.79.97.178 IP addresses: ns2.hosttech.ch and ns2.hostserv.eu.

Host names pointing to 2a01:4f8:c0c:289d::2 IP addresses: ns3.hosttech.ch and ns3.hostserv.eu.

Host names pointing to 94.130.74.45 IP addresses: ns3.hosttech.ch and ns3.hostserv.eu.

Mail Servers

ipcourses.org routes its mail through a single mail server, mx.polymind.gmbh.

mx.polymind.gmbh has exactly one IP number: 185.101.158.171.