www.telegram.courses - robtex.com

www.telegram.courses

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:1bbe🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8f76🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.190Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.118🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.190, 172.67.143.118
IPv6 hints2606:4700:3036::6815:1bbe, 2606:4700:3037::ac43:8f76
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com

telegram.courses

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:1bbe🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8f76🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.190Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.118🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScosmin.ns.cloudflare.com ⭐
NSnadia.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.190, 172.67.143.118
IPv6 hints2606:4700:3036::6815:1bbe, 2606:4700:3037::ac43:8f76
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAcosmin.ns.cloudflare.comdns@cloudflare.com serial=2401761782
⚠️ On DNS blocklist: multi, pro, pro.plus, ultimate
⚠️ On DNS blocklist: light, multi, pro, pro.plus, tif, ultimate

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DNS History

4 records (4 active, 0 former)

A104.21.27.190172.67.143.1182606:4700:3036::6815:1bbe2606:4700:3037::ac43:8f76
●A104.21.27.1902026-04-18 → 2026-04-23 · 2 obs
● 2026-04-18 22:57:32
● 2026-04-23 11:26:36
●A172.67.143.1182026-04-18 → 2026-04-23 · 2 obs
● 2026-04-18 22:57:32
● 2026-04-23 11:26:36
●A2606:4700:3036::6815:1bbe2026-04-18 → 2026-04-23 · 2 obs
● 2026-04-18 22:57:32
● 2026-04-23 11:26:36
●A2606:4700:3037::ac43:8f762026-04-18 → 2026-04-23 · 2 obs
● 2026-04-18 22:57:32
● 2026-04-23 11:26:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, x.nic.courses, y.nic.courses, b.nic.courses...12 records
telegram.coursesnadia.ns.cloudflare.com, cosmin.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.207

NS records: nadia.ns.cloudflare.com, cosmin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for telegram.courses (unsigned zone)

⏱️ Timing

Total: 262ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.143.118, 104.21.27.190
AAAA22606:4700:3037::ac43:8f76, 2606:4700:3036::6815:1bbe
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by www.telegram.courses: 2606:4700:3036::6815:1bbe, 2606:4700:3037::ac43:8f76, 104.21.27.190 and 172.67.143.118.

other host names including v972mrb.supers-hots-flirts.com, www.taoqinzi.com, hetverdragvanpluto.be, serverjoint.info and memorist.net share IP numbers with www.telegram.courses.