`thecourserefine.digital`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3aa7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:cda2^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.167^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.162^{🇺🇸 Cloudflare172.67.192.0/20 , 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	104.21.58.167, 172.67.205.162
		IPv6 hints	2606:4700:3033::6815:3aa7, 2606:4700:3036::ac43:cda2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com
SOA	`hugh.ns.cloudflare.com`dns@cloudflare.com serial=2410055868

`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=1785597382

⚠️ On DNS blocklist: tif, tif.medium

Same first word

thecourserefine.digital

DNS History

10 records (6 active, 4 former)

●NShugh.ns.cloudflare.com2026-07-25 → 2026-08-01 · 2 obs

● 2026-07-25 22:34:42
● 2026-08-01 16:08:20

●NSnena.ns.cloudflare.com2026-07-25 → 2026-08-01 · 2 obs

● 2026-07-25 22:34:42
● 2026-08-01 16:08:20

●A104.21.58.1672026-08-01 → 2026-08-01 · 3 obs

○ 2026-07-25 22:34:42
● 2026-08-01 16:08:18
● 2026-08-01 16:08:20

●A172.67.205.1622026-08-01 → 2026-08-01 · 3 obs

○ 2026-07-25 22:34:42
● 2026-08-01 16:08:18
● 2026-08-01 16:08:20

○A188.114.96.02026-07-25 → 2026-07-25 · 3 obs

● 2026-07-25 22:34:42
○ 2026-08-01 16:08:18
○ 2026-08-01 16:08:20

○A188.114.97.02026-07-25 → 2026-07-25 · 3 obs

● 2026-07-25 22:34:42
○ 2026-08-01 16:08:18
○ 2026-08-01 16:08:20

●A2606:4700:3033::6815:3aa72026-08-01 → 2026-08-01 · 3 obs

○ 2026-07-25 22:34:42
● 2026-08-01 16:08:18
● 2026-08-01 16:08:20

●A2606:4700:3036::ac43:cda22026-08-01 → 2026-08-01 · 3 obs

○ 2026-07-25 22:34:42
● 2026-08-01 16:08:18
● 2026-08-01 16:08:20

○A2a06:98c1:3120::2026-07-25 → 2026-07-25 · 3 obs

● 2026-07-25 22:34:42
○ 2026-08-01 16:08:18
○ 2026-08-01 16:08:20

○A2a06:98c1:3121::2026-07-25 → 2026-07-25 · 3 obs

● 2026-07-25 22:34:42
○ 2026-08-01 16:08:18
○ 2026-08-01 16:08:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
digital	v0n0.nic.digital, v0n2.nic.digital, v0n1.nic.digital, v0n3.nic.digital...	-
thecourserefine.digital	nena.ns.cloudflare.com, hugh.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.161

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thecourserefine.digital (unsigned zone)

⏱️ Timing

Total: 533ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.167, 172.67.205.162`
AAAA	2	`2606:4700:3033::6815:3aa7, 2606:4700:3036::ac43:cda2`
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

thecourserefine.digital has four IP addresses: 104.21.58.167, 172.67.205.162, 2606:4700:3033::6815:3aa7 and 2606:4700:3036::ac43:cda2.

budu5j.ru, bulbultoptan.com, rarurtolasie.com plus two other host names have IP numbers in common with thecourserefine.digital.

Name Servers

thecourserefine.digital is delegated to two name servers: hugh.ns.cloudflare.com and nena.ns.cloudflare.com.

The name server configuration of thecourserefine.digital is shared with other domains, for instance comparepetition.sbs, execresourcevault.sbs, coursemasteryway.digital and two others.

thecourserefine.digital shares at least some of its name servers with other domains, including cianhosts.com, goifuture.com, sharmas.com.np and two others.

These name servers are frequently seen alongside the name servers harlan.ns.cloudflare.com, chan.ns.cloudflare.com, bristol.ns.cloudflare.com and venkat.ns.cloudflare.com.

Hosts with 6 IP addresses each:

hugh.ns.cloudflare.com resolves to 108.162.193.117, 172.64.33.117, 173.245.59.117 and 3 other IP addresses.

nena.ns.cloudflare.com resolves to 108.162.194.161, 162.159.38.161, 172.64.34.161 and 3 other IP addresses.

thecourserefine.digital - robtex.com