tcbcourses.com - dns.ninja

`tcbcourses.com`

DNSSEC	⚠️ Not signed
NS	`henry.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`henry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`henry.ns.cloudflare.com`
		A	108.162.193.176^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	172.64.33.176^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	173.245.59.176^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
NS	`nicole.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nicole.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nicole.ns.cloudflare.com`
		A	108.162.192.211^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	172.64.32.211^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	173.245.58.211^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
SOA	`henry.ns.cloudflare.com`dns@cloudflare.com serial=2407955995

`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=1785304657

Same first word

tcbcourses.com

Similar names

soccerstub.net

cbtcourses.com

soccerstub.com

butsoccers.com

btccourses.com

DNS History

8 records (2 active, 6 former)

○NSara.ns.cloudflare.com2017-10-04 → 2017-10-04 · 3 obs

● 2017-10-04 12:33:12
○ 2026-06-22 17:24:50
○ 2026-07-29 05:58:28

●NShenry.ns.cloudflare.com2026-06-22 → 2026-07-29 · 3 obs

○ 2017-10-04 12:33:12
● 2026-06-22 17:24:50
● 2026-07-29 05:58:28

●NSnicole.ns.cloudflare.com2026-06-22 → 2026-07-29 · 3 obs

○ 2017-10-04 12:33:12
● 2026-06-22 17:24:50
● 2026-07-29 05:58:28

○NSwest.ns.cloudflare.com2017-10-04 → 2017-10-04 · 3 obs

● 2017-10-04 12:33:12
○ 2026-06-22 17:24:50
○ 2026-07-29 05:58:28

○A104.18.50.2132017-10-04 → 2017-10-04 · 3 obs

● 2017-10-04 12:33:12
○ 2026-06-22 17:24:50
○ 2026-07-29 05:58:28

○A104.18.51.2132017-10-04 → 2017-10-04 · 3 obs

● 2017-10-04 12:33:12
○ 2026-06-22 17:24:50
○ 2026-07-29 05:58:28

○A2400:cb00:2048:1::6812:32d52017-10-04 → 2017-10-04 · 3 obs

● 2017-10-04 12:33:12
○ 2026-06-22 17:24:50
○ 2026-07-29 05:58:28

○A2400:cb00:2048:1::6812:33d52017-10-04 → 2017-10-04 · 3 obs

● 2017-10-04 12:33:12
○ 2026-06-22 17:24:50
○ 2026-07-29 05:58:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tcbcourses.com	henry.ns.cloudflare.com, nicole.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.211

NS records: henry.ns.cloudflare.com, nicole.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcbcourses.com (unsigned zone)

⏱️ Timing

Total: 156ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`henry.ns.cloudflare.com, nicole.ns.cloudflare.com`
SOA	1	`henry.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

Two name servers handle the delegation for tcbcourses.com: henry.ns.cloudflare.com and nicole.ns.cloudflare.com.

tcbcourses.com has the same name server delegation as a number of other domains, such as ailev.ru, techinvestlab.ru, allesseife.at and two more.

There is at least partial name server overlap between tcbcourses.com and other domains — redonbetcasino.de, angkamimpitw.site, yiyukaorsystems.forum and two more among them.

These name servers are routinely co-deployed with the name servers zainab.ns.cloudflare.com, candy.ns.cloudflare.com, jade.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

henry.ns.cloudflare.com resolves to 108.162.193.176, 172.64.33.176 and 173.245.59.176 among others, with 3 other IP addresses in total.

nicole.ns.cloudflare.com resolves to 108.162.192.211, 172.64.32.211 and 173.245.58.211 among others, with 3 other IP addresses in total.