`knowledgecourse.com`

DNSSEC	⚠️ Not signed
A	2600:9000:a612:55d9:1b82:e963:5969:d2c7^{🇺🇸 Amazon2600:9000:a600::/43}
		PTR	`ad988eeb126877ff9.dualstack.awsglobalaccelerator.com`
A	2a01:4f8:1c1e:d6f1::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
A	2a01:4ff:f0:5f41::1^{🇺🇸 HETZNER-CLOUD2-AS2a01:4ff::/40 HETZNER-IPv6-BLK}
A	2a01:4ff:1f0:dd50::1^{🇩🇪 HETZNER-CLOUD3-AS2a01:4ff:100::/40 HETZNER-IPv6-BLK}
A	5.78.156.59^{🇺🇸 HETZNER-CLOUD3-AS5.78.156.0/24}
A	5.161.47.86^{🇺🇸 HETZNER-CLOUD2-AS5.161.47.0/24}
A	5.161.230.87^{🇺🇸 HETZNER-CLOUD2-AS5.161.230.0/24}
A	46.62.237.138^{🇩🇪 Hetzner46.62.128.0/17 HETZNER-DC}
A	76.223.91.20^{🇺🇸 Amazon76.223.80.0/20}
A	195.201.128.179^{🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC}
NS	`ns1.dns-redirect.com` ⭐
		A	5.161.47.86^{🇺🇸 HETZNER-CLOUD2-AS5.161.47.0/24}
			PTR	`static.86.47.161.5.clients.your-server.de`
		A	5.161.230.87^{🇺🇸 HETZNER-CLOUD2-AS5.161.230.0/24}
			PTR	`static.87.230.161.5.clients.your-server.de`
		A	195.201.128.179^{🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC}
			PTR	`static.179.128.201.195.clients.your-server.de`
NS	`ns2.dns-redirect.com`
		A	76.223.91.20^{🇺🇸 Amazon76.223.80.0/20}
			PTR	`ad988eeb126877ff9.awsglobalaccelerator.com`
		A	166.117.68.124^{🇺🇸 Amazon166.117.64.0/20}
			PTR	`ad988eeb126877ff9.awsglobalaccelerator.com`
TXT	`95b3a950-315c-45b8-937a-b865ebeb043a`
TXT	`afternic-verification-aGHTsEA2nLa7KRqzmJySAx`
SOA	`ns1.dns-redirect.com`admin@redirhub.com 2024-07-29 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778358601

Same first word

knowledgecourse.com

Similar names

knowledgesource.com.au

knowledgesource.training

knowledgesource.co.nz

sourceknowledge.com

DNS History

19 records (12 active, 7 former)

●NSns1.dns-redirect.com2026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●NSns2.dns-redirect.com2026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

○NSns359.websitewelcome.com2015-05-16 → 2016-07-09 · 4 obs

● 2015-05-16 14:59:30
● 2016-07-09 10:15:42
○ 2019-01-29 08:21:00
○ 2026-05-09 20:34:28

○NSns360.websitewelcome.com2015-05-16 → 2016-07-09 · 4 obs

● 2015-05-16 14:59:30
● 2016-07-09 10:15:42
○ 2019-01-29 08:21:00
○ 2026-05-09 20:34:28

○NSnsg1.namebrightdns.com2019-01-29 → 2019-01-29 · 3 obs

○ 2016-07-09 10:15:42
● 2019-01-29 08:21:00
○ 2026-05-09 20:34:28

○NSnsg2.namebrightdns.com2019-01-29 → 2019-01-29 · 3 obs

○ 2016-07-09 10:15:42
● 2019-01-29 08:21:00
○ 2026-05-09 20:34:28

○MXknowledgecourse.com2015-05-16 → 2016-07-09 · 4 obs

● 2015-05-16 14:59:30
● 2016-07-09 10:15:42
○ 2019-01-29 08:21:00
○ 2026-05-09 20:34:28

○A192.185.121.2392015-05-16 → 2016-07-09 · 4 obs

● 2015-05-16 14:59:30
● 2016-07-09 10:15:42
○ 2019-01-29 08:21:00
○ 2026-05-09 20:34:28

●A195.201.128.1792026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A2600:9000:a612:55d9:1b82:e963:5969:d2c72026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A2a01:4f8:1c1e:d6f1::12026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A2a01:4ff:1f0:dd50::12026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A2a01:4ff:f0:5f41::12026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A46.62.237.1382026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A5.161.230.872026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A5.161.47.862026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A5.78.156.592026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

●A76.223.91.202026-05-09 → 2026-05-09 · 2 obs

○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-01-29 → 2019-01-29 · 2 obs

● 2019-01-29 08:21:00
○ 2026-05-09 20:34:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
knowledgecourse.com	ns1.dns-redirect.com, ns2.dns-redirect.com	5 records

✅ Authoritative Response

Server:195.201.128.179

NS records: ns1.dns-redirect.com, ns2.dns-redirect.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgecourse.com (unsigned zone)

⏱️ Timing

Total: 535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	6	`5.161.230.87, 46.62.237.138...`
AAAA	4	`2a01:4ff:1f0:dd50::1, 2a01:4f8:1c1e:d6f1::1...`
NS	2	`ns1.dns-redirect.com, ns2.dns-redirect.com`
TXT	2	`95b3a950-315c-45b8-937a-b865ebeb043a, afternic-verification-aGHTsEA2nLa7KRqzmJ`
SOA	1	`ns1.dns-redirect.com admin.redirhub.com`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.dns-redirect.com, ns1.dns-redirect.com, ns1.dns-redirect.com...)

Analysis

IP Addresses

Ten IP numbers for knowledgecourse.com are: 2600:9000:a612:55d9:1b82:e963:5969:d2c7, 2a01:4f8:1c1e:d6f1::1, 2a01:4ff:f0:5f41::1, 2a01:4ff:1f0:dd50::1, 5.78.156.59, 5.161.47.86, 5.161.230.87, 46.62.237.138, 76.223.91.20 and 195.201.128.179.

other host names for instance betshow.bet, seller.black, koffienation.com, rocketman.ventures and kasauliinn.com share IP numbers with knowledgecourse.com.

Name Servers

knowledgecourse.com is delegated to two name servers: ns1.dns-redirect.com and ns2.dns-redirect.com.

knowledgecourse.com shares the same name server setup as other domains, for example passaggio.de, hd.lordfilmy13.online, www.linetutti.com, bos-mail6.domains.womenspalace.com and apropos.care.

Host names with three IP numbers: ns1.dns-redirect.com points to 5.161.47.86, 5.161.230.87 and 195.201.128.179.

Host names with two IP numbers: ns2.dns-redirect.com points to 76.223.91.20 and 166.117.68.124.

knowledgecourse.com - robtex.com