cdnjs.cloudflare.com CDN Detection: Possible Cloudflare Usage

CNAME, HTTP header, and ASN signals indicate that cdnjs.cloudflare.com may be using Cloudflare, with 45% confidence. Review the evidence and latest check time.

Checked At: 9/2/2026, 4:22:28 AM

Likely using Cloudflare

This result is based on public DNS, HTTP, and network signals and may update with later observations.

cdnjs.cloudflare.comHTTP Status 200 9/2/2026, 4:22:28 AM

Overall Confidence

45%Evidence strength

Calculated from the independent evidence matched now

Node Distribution

Current snapshot

Cloudflare 45%

Detection Path

Complete · 5 stages

DNS Resolution

Complete · 6 addresses

CNAME Chain

Complete · 1 CNAME found

IP / ASN

Complete · 6 IPs, 4 ASNs

HTTP Response

Complete · response headers collected

Fingerprint Score

Complete · 4 evidence types

Evidence Timeline

Observed facts ordered by collection time

Checked At: 9/2/2026, 4:22:28 AM

04:22:28 AM

HTTP

header: cf-ray

Cloudflare

Strong

Score Explanation

Evidence strength breakdown

HTTP headers

45 / 100

Response header name and value matches

This score presents evidence strength, not statistical probability. A shared ASN or cloud network cannot confirm a CDN on its own.

Node and Routing Differences

Resolution results and access signals observed by region and carrier

Collected just now

Region	Carrier	Resolved IP	CDN Provider	ASN	Location	TTL	Confidence	TTFB
Central node	-	104.17.24.14	Cloudflare	-	-	9s	45%	-

Node results vary by region, carrier and time1 nodes

Detection results are inferred from public DNS and HTTP signals. Confidence reflects the strength of the matched evidence and does not imply 100% certainty.

CloudflarePrimary candidate

Confidence 45%

header: cf-ray

View Cloudflare Performance Review

Methodology and limitations

Detection results are determined by cross-referencing public DNS, HTTP response headers, and ASN signals; confidence indicates the strength of evidence and does not represent a statistically meaningful accuracy rate.