mail.cx CDN Detection: Possible Cloudflare Usage

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

Checked At: 10/23/2026, 13:12:52

Likely using Cloudflare

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

mail.cxHTTP Status 200 10/23/2026, 13:12:52

Overall Confidence

45%Evidence strength

Based on the independent evidence matched in this detection

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: 10/23/2026, 13:12:52

05:12:52 AM

HTTP

header: cf-ray

Cloudflare

Strong

05:13:47 AM

HTTP

header: cf-ray

Cloudflare

Strong

05:13:47 AM

HTTP

header: cf-ray

Cloudflare

Strong

05:13:47 AM

HTTP

header: cf-ray

Cloudflare

Strong

05:13:47 AM

HTTP

header: cf-ray

Cloudflare

Strong

Show 2 more evidence items

05:13:48 AM

HTTP

header: cf-ray

Cloudflare

Strong

05:13:48 AM

HTTP

header: cf-ray

Cloudflare

Strong

Score Explanation

Evidence strength breakdown

HTTP headers

100 / 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
Northern China	中国电信	104.21.14.57/32	Cloudflare	-	中国北京市	-	45%	758ms
East Asia	Overseas	172.67.158.24/32	Cloudflare	-	中国香港特别行政区香港	-	45%	45ms
Eastern North America	Overseas	2606:4700:3033::ac43:9e18/128	Cloudflare	-	美国波士顿	-	45%	26ms
Western North America	Overseas	172.67.158.24/32	Cloudflare	-	美国圣何塞	-	45%	91ms
Central node	-	172.67.158.24/32	Cloudflare	-	-	233s	45%	-
Southwestern China	中国电信	172.67.158.24/32	Cloudflare	-	中国昆明市	-	45%	1048ms
Southern China	BGP多线	104.21.14.57/32	Cloudflare	-	中国广州市	-	45%	800ms

Node results vary by region, carrier and time7 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

Identification results are determined by cross-referencing public DNS, HTTP response headers, and ASN signals; confidence indicates evidence strength and does not represent statistical accuracy.