coursebase.com - dns.ninja

`coursebase.com`

DNSSEC	⚠️ Not signed
NS	`anna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c066^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2066^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anna.ns.cloudflare.com`
		A	108.162.192.102^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	172.64.32.102^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	173.245.58.102^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
NS	`archer.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`archer.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c388^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`archer.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2388^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`archer.ns.cloudflare.com`
		A	108.162.195.136^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`archer.ns.cloudflare.com`
		A	162.159.44.136^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`archer.ns.cloudflare.com`
		A	172.64.35.136^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`archer.ns.cloudflare.com`
SOA	`anna.ns.cloudflare.com`dns@cloudflare.com serial=2408059801

`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=1782629015

Same first word

coursebase.de

coursebase.co

coursebase.com

coursebase.net

coursebase.org

Similar names

basecourse.blogspot.com

sourcebase.de

basecourse.com

sourcebase.ai

besourcesa.at

basesource.com

sourcebase.info

sourcebase.com

sourcebase.org

basecourse.com.au

DNS History

7 records (2 active, 5 former)

●NSanna.ns.cloudflare.com2026-06-28 → 2026-06-28 · 2 obs

○ 2017-05-24 15:00:54
● 2026-06-28 06:56:52

●NSarcher.ns.cloudflare.com2026-06-28 → 2026-06-28 · 2 obs

○ 2017-05-24 15:00:54
● 2026-06-28 06:56:52

○NSed.ns.cloudflare.com2015-08-14 → 2017-05-24 · 3 obs

● 2015-08-14 10:08:18
● 2017-05-24 15:00:54
○ 2026-06-28 06:56:52

○NSmay.ns.cloudflare.com2015-08-14 → 2017-05-24 · 3 obs

● 2015-08-14 10:08:18
● 2017-05-24 15:00:54
○ 2026-06-28 06:56:52

○MXcoursebase.com2015-08-14 → 2016-03-22 · 4 obs

● 2015-08-14 10:08:18
● 2016-03-22 03:04:40
○ 2017-05-24 15:00:54
○ 2026-06-28 06:56:52

○MXdc-469795347c91.coursebase.com2017-05-24 → 2017-05-24 · 3 obs

○ 2016-03-22 03:04:40
● 2017-05-24 15:00:54
○ 2026-06-28 06:56:52

○A192.185.140.632015-08-14 → 2017-05-24 · 3 obs

● 2015-08-14 10:08:18
● 2017-05-24 15:00:54
○ 2026-06-28 06:56:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coursebase.com	anna.ns.cloudflare.com, archer.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.136

NS records: anna.ns.cloudflare.com, archer.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursebase.com (unsigned zone)

⏱️ Timing

Total: 95ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`anna.ns.cloudflare.com, archer.ns.cloudflare.com`
SOA	1	`anna.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (anna.ns.cloudflare.com, anna.ns.cloudflare.com, anna.ns.cloudflare.com...)

Analysis

Name Servers

The NS records for coursebase.com delegate to anna.ns.cloudflare.com and archer.ns.cloudflare.com.

coursebase.com shares its name server setup with other domains, including dexproinvestment.com, instronicsindia.com, anandgiri.com and two others.

coursebase.com shares at least some of its name servers with other domains, including dessbb.com, jzjzqm.com, casinopolis.org and two others.

Host names with 6 IP numbers:

anna.ns.cloudflare.com maps to 108.162.192.102, 172.64.32.102, 173.245.58.102 and 3 additional IP addresses.

archer.ns.cloudflare.com maps to 108.162.195.136, 162.159.44.136, 172.64.35.136 and 3 additional IP addresses.