www.serverless-processing-engine.courses - robtex.com

www.serverless-processing-engine.courses

DNSSEC⚠️ Not signed
A104.21.53.155Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.214.159🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.53.155, 172.67.214.159
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com

serverless-processing-engine.courses

DNSSEC⚠️ Not signed
A104.21.53.155Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.214.159🇺🇸 Cloudflare172.67.208.0/20 , 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 hints104.21.53.155, 172.67.214.159
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOAtim.ns.cloudflare.comdns@cloudflare.com serial=2409509893
⚠️ On DNS blocklist: tif

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DNS History

2 records (2 active, 0 former)

A104.21.53.155172.67.214.159
●A104.21.53.1552026-05-23 → 2026-08-11 · 2 obs
● 2026-05-23 06:08:00
● 2026-08-11 20:33:32
●A172.67.214.1592026-05-23 → 2026-08-11 · 2 obs
● 2026-05-23 06:08:00
● 2026-08-11 20:33:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...12 records
serverless-processing-engine.courseszelda.ns.cloudflare.com, tim.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.242

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for serverless-processing-engine.courses (unsigned zone)

⏱️ Timing

Total: 376ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.214.159, 104.21.53.155
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

www.serverless-processing-engine.courses points to the IP addresses 104.21.53.155 and 172.67.214.159

Additional host names — 522844.com, damirhadzagic.com, wjmtransport.co.uk and two others — share IP numbers with www.serverless-processing-engine.courses.