`coursekithub.digital`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:47db^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:95b2^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.219^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.178^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hugh.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
NS	`nena.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nena.ns.cloudflare.com`
		A	108.162.194.161^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	162.159.38.161^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	172.64.34.161^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.219, 172.67.149.178
		IPv6 hints	2606:4700:3031::6815:47db, 2606:4700:3032::ac43:95b2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=14, name=cloudflare-ech.com
SOA	`hugh.ns.cloudflare.com`dns@cloudflare.com serial=2409976505

`digital`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.digital` ⭐
	NS	`v0n1.nic.digital`
	NS	`v0n2.nic.digital`
	NS	`v0n3.nic.digital`
	NS	`v2n0.nic.digital`
	NS	`v2n1.nic.digital`
	SOA	`v0n0.nic.digital`hostmaster@donuts.email serial=1785431246

⚠️ On DNS blocklist: tif

Same first word

coursekithub.digital

DNS History

6 records (6 active, 0 former)

●NShugh.ns.cloudflare.com2026-07-28 → 2026-07-30 · 2 obs

● 2026-07-28 15:23:12
● 2026-07-30 17:22:42

●NSnena.ns.cloudflare.com2026-07-28 → 2026-07-30 · 2 obs

● 2026-07-28 15:23:12
● 2026-07-30 17:22:42

●A104.21.71.2192026-07-28 → 2026-07-30 · 2 obs

● 2026-07-28 15:23:12
● 2026-07-30 17:22:42

●A172.67.149.1782026-07-28 → 2026-07-30 · 2 obs

● 2026-07-28 15:23:12
● 2026-07-30 17:22:42

●A2606:4700:3031::6815:47db2026-07-28 → 2026-07-30 · 2 obs

● 2026-07-28 15:23:12
● 2026-07-30 17:22:42

●A2606:4700:3032::ac43:95b22026-07-28 → 2026-07-30 · 2 obs

● 2026-07-28 15:23:12
● 2026-07-30 17:22:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
digital	v0n1.nic.digital, v0n2.nic.digital, v2n1.nic.digital, v2n0.nic.digital...	-
coursekithub.digital	nena.ns.cloudflare.com, hugh.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.117

NS records: nena.ns.cloudflare.com, hugh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursekithub.digital (unsigned zone)

⏱️ Timing

Total: 344ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.149.178, 104.21.71.219`
AAAA	2	`2606:4700:3032::ac43:95b2, 2606:4700:3031::6815:47db`
NS	2	`hugh.ns.cloudflare.com, nena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hugh.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

coursekithub.digital directs to four IP numbers, which are 104.21.71.219, 172.67.149.178, 2606:4700:3031::6815:47db and 2606:4700:3032::ac43:95b2.

Among the host names that share IP numbers with coursekithub.digital are d3939bc80aee.d3939bc80aee.d3939bc80aee.mail.cob.com.ar, leachconstructionvt.com, d3939bc80aee.mail.cob.com.ar and two others.

Name Servers

coursekithub.digital is served by two delegated name servers, hugh.ns.cloudflare.com and nena.ns.cloudflare.com.

coursekithub.digital has the same name server delegation as a number of other domains, such as execacademyhub.sbs, bookreadypro.click, execworkshopsphere.sbs and two more.

At least some of coursekithub.digital's name servers are shared with other domains, for example grapesdirect.co.uk, apexxgoldmining.com, kpix.us and two more.

These name servers tend to be deployed in combination with the name servers harlan.ns.cloudflare.com and venkat.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

hugh.ns.cloudflare.com carries IP addresses 108.162.193.117, 172.64.33.117 and 173.245.59.117, with 3 other addresses beyond those.

nena.ns.cloudflare.com carries IP addresses 108.162.194.161, 162.159.38.161 and 172.64.34.161, with 3 other addresses beyond those.

coursekithub.digital - robtex.com