`thecoursehighlights.digital`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:a382^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:318a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.138^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.130^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`janet.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`janet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`janet.ns.cloudflare.com`
		A	108.162.192.169^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	172.64.32.169^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	173.245.58.169^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
NS	`khalid.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c35^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khalid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c335^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`khalid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2335^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`khalid.ns.cloudflare.com`
		A	108.162.195.53^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khalid.ns.cloudflare.com`
		A	162.159.44.53^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khalid.ns.cloudflare.com`
		A	172.64.35.53^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`khalid.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.138, 172.67.163.130
		IPv6 hints	2606:4700:3036::ac43:a382, 2606:4700:3037::6815:318a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=191, name=cloudflare-ech.com
SOA	`janet.ns.cloudflare.com`dns@cloudflare.com serial=2408976251

`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=1786518463

⚠️ On DNS blocklist: tif

Same first word

thecoursehighlights.digital

DNS History

10 records (6 active, 4 former)

●NSjanet.ns.cloudflare.com2026-07-25 → 2026-08-12 · 2 obs

● 2026-07-25 19:27:16
● 2026-08-12 07:19:54

●NSkhalid.ns.cloudflare.com2026-07-25 → 2026-08-12 · 2 obs

● 2026-07-25 19:27:16
● 2026-08-12 07:19:54

●A104.21.49.1382026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-25 19:27:16
● 2026-08-12 07:19:54

●A172.67.163.1302026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-25 19:27:16
● 2026-08-12 07:19:54

○A188.114.96.02026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 19:27:16
○ 2026-08-12 07:19:54

○A188.114.97.02026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 19:27:16
○ 2026-08-12 07:19:54

●A2606:4700:3036::ac43:a3822026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-25 19:27:16
● 2026-08-12 07:19:54

●A2606:4700:3037::6815:318a2026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-25 19:27:16
● 2026-08-12 07:19:54

○A2a06:98c1:3120::2026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 19:27:16
○ 2026-08-12 07:19:54

○A2a06:98c1:3121::2026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 19:27:16
○ 2026-08-12 07:19:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
digital	v0n0.nic.digital, v0n1.nic.digital, v0n2.nic.digital, v0n3.nic.digital...	-
thecoursehighlights.digital	janet.ns.cloudflare.com, khalid.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.53

NS records: janet.ns.cloudflare.com, khalid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thecoursehighlights.digital (unsigned zone)

⏱️ Timing

Total: 273ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.163.130, 104.21.49.138`
AAAA	2	`2606:4700:3037::6815:318a, 2606:4700:3036::ac43:a382`
NS	2	`janet.ns.cloudflare.com, khalid.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`janet.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

thecoursehighlights.digital has four IP addresses: 104.21.49.138, 172.67.163.130, 2606:4700:3036::ac43:a382 and 2606:4700:3037::6815:318a.

vigne.be, www.ar(0x786e7878)(0x787878)(0x787878)xhd.courses, filenk.com plus two other host names have IP numbers in common with thecoursehighlights.digital.

Name Servers

thecoursehighlights.digital is delegated to two name servers: janet.ns.cloudflare.com and khalid.ns.cloudflare.com.

The name server configuration of thecoursehighlights.digital is shared with other domains, for instance bookvalorvault.click, theluxuryestategroup.shop, exectrainingexcellence.shop and two others.

thecoursehighlights.digital has at least partial name server overlap with other domains, such as bestflooringpros.com, hughchick.com, domus.am and two others.

These name servers tend to appear together with the name servers hattie.ns.cloudflare.com, wells.ns.cloudflare.com and ariella.ns.cloudflare.com.

Hosts with 6 IP addresses each:

janet.ns.cloudflare.com resolves to 108.162.192.169, 172.64.32.169, 173.245.58.169 and 3 other IP addresses.

khalid.ns.cloudflare.com resolves to 108.162.195.53, 162.159.44.53, 172.64.35.53 and 3 other IP addresses.

thecoursehighlights.digital - robtex.com