www.telemetrysync.courses - robtex.com

www.telemetrysync.courses

DNSSEC⚠️ Not signed
A104.21.5.67Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.35🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.67, 172.67.133.35
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com

telemetrysync.courses

DNSSEC⚠️ Not signed
A104.21.5.67Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.35🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NStim.ns.cloudflare.com ⭐
NSzelda.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.67, 172.67.133.35
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com
SOAtim.ns.cloudflare.comdns@cloudflare.com serial=2410489659
⚠️ On DNS blocklist: tif

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DNS History

2 records (2 active, 0 former)

A104.21.5.67172.67.133.35
●A104.21.5.672026-05-23 → 2026-08-13 · 2 obs
● 2026-05-23 07:17:00
● 2026-08-13 13:21:50
●A172.67.133.352026-05-23 → 2026-08-13 · 2 obs
● 2026-05-23 07:17:00
● 2026-08-13 13:21:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...12 records
telemetrysync.coursestim.ns.cloudflare.com, zelda.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.145

NS records: tim.ns.cloudflare.com, zelda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for telemetrysync.courses (unsigned zone)

⏱️ Timing

Total: 316ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.5.67, 172.67.133.35
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, a.nic.courses, b.nic.courses...)

Analysis

IP Addresses

www.telemetrysync.courses resolves to the IP addresses 104.21.5.67 and 172.67.133.35

imunitate.lv, www.go.asia, www.tainiuw.com plus two other host names have IP numbers in common with www.telemetrysync.courses.