`twinkle-courses.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:f1f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a148^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.31^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.72^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`luke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`luke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`luke.ns.cloudflare.com`
		A	108.162.193.200^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	172.64.33.200^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	173.245.59.200^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
NS	`mira.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mira.ns.cloudflare.com`
		A	108.162.192.204^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	172.64.32.204^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	173.245.58.204^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.31, 172.67.161.72
		IPv6 hints	2606:4700:3030::6815:f1f, 2606:4700:3035::ac43:a148
SOA	`luke.ns.cloudflare.com`dns@cloudflare.com serial=2404057652

`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=1778795356

⚠️ On DNS blocklist: tif

Same first word

twinkle-courses.com

Similar names

celsius-network.org

DNS History

6 records (6 active, 0 former)

●NSluke.ns.cloudflare.com2026-05-13 → 2026-05-14 · 2 obs

● 2026-05-13 20:50:32
● 2026-05-14 22:10:34

●NSmira.ns.cloudflare.com2026-05-13 → 2026-05-14 · 2 obs

● 2026-05-13 20:50:32
● 2026-05-14 22:10:34

●A104.21.15.312026-05-13 → 2026-05-14 · 2 obs

● 2026-05-13 20:50:32
● 2026-05-14 22:10:34

●A172.67.161.722026-05-13 → 2026-05-14 · 2 obs

● 2026-05-13 20:50:32
● 2026-05-14 22:10:34

●A2606:4700:3030::6815:f1f2026-05-13 → 2026-05-14 · 2 obs

● 2026-05-13 20:50:32
● 2026-05-14 22:10:34

●A2606:4700:3035::ac43:a1482026-05-13 → 2026-05-14 · 2 obs

● 2026-05-13 20:50:32
● 2026-05-14 22:10:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
twinkle-courses.com	luke.ns.cloudflare.com, mira.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.204

NS records: luke.ns.cloudflare.com, mira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for twinkle-courses.com (unsigned zone)

⏱️ Timing

Total: 1162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.161.72, 104.21.15.31`
AAAA	2	`2606:4700:3035::ac43:a148, 2606:4700:3030::6815:f1f`
NS	2	`luke.ns.cloudflare.com, mira.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`luke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

twinkle-courses.com points to four IP numbers: 2606:4700:3030::6815:f1f, 2606:4700:3035::ac43:a148, 104.21.15.31 and 172.67.161.72.

Other host names, for instance mediacnadohoda.sk, cp.simply-smart.com, czzygy.cn, xiashuku.com and caelumbee.co.uk share IP numbers with twinkle-courses.com.

Name Servers

twinkle-courses.com is delegated to two name servers: luke.ns.cloudflare.com and mira.ns.cloudflare.com.

twinkle-courses.com uses the same name server setup as other domains, for instance russianfooddirect.com, tesseract.wtf, johntechnology.com, russianpharmacyonline.com and anyline.com.

twinkle-courses.com shares name servers with other domains at least partially, for instance google-prism.com, bx133.com, moursgalaxy.com, groupeips.com and dt-k.net.

these name servers are often used together with the name servers kate.ns.cloudflare.com.

Host names with six IP numbers: luke.ns.cloudflare.com points to 2606:4700:58::adf5:3bc8, 2803:f800:50::6ca2:c1c8, 2a06:98c1:50::ac40:21c8, 108.162.193.200, 172.64.33.200 and 173.245.59.200; mira.ns.cloudflare.com points to 2606:4700:50::adf5:3acc, 2803:f800:50::6ca2:c0cc, 2a06:98c1:50::ac40:20cc, 108.162.192.204, 172.64.32.204 and 173.245.58.204.

twinkle-courses.com - robtex.com