www.rt333.co CDN Detection: Possible Amazon CloudFront Usage
CNAME, HTTP header, and ASN signals indicate that www.rt333.co may be using Amazon CloudFront, with 99% confidence. Review the evidence and latest check time.
Confirmed use of Amazon CloudFront
At least two real probes from different regions and multiple independent evidence types point to this provider.
Overall Confidence
Based on the independent evidence matched in this detection
Node Distribution
Current snapshotDetection Path
Complete · 5 stages
Complete · 6 addresses
Complete · 1 CNAME found
Complete · 6 IPs, 4 ASNs
Complete · response headers collected
Complete · 4 evidence types
Evidence Timeline
Observed facts ordered by collection time
Unknown
Strong
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Show 16 more evidence items
Unknown
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Unknown
Score Explanation
Evidence strength breakdown
CNAME target and routing-domain signals
Response header name and value matches
Node and Routing Differences
Resolution results and access signals observed by region and carrier
| Region | Carrier | Resolved IP | CDN Provider | ASN | Location | TTL | Confidence | TTFB |
|---|---|---|---|---|---|---|---|---|
| Northern China | 中国电信 | 13.225.158.81/32 | Amazon CloudFront | - | 中国 北京市 | - | 99% | 4632ms |
| Central node | - | 18.65.14.48/32 | Amazon CloudFront | - | - | 59s | 99% | - |
| East Asia | Overseas | 18.65.14.48/32 | Amazon CloudFront | - | 中国香港特别行政区 香港 | - | 99% | 315ms |
| Western North America | Overseas | 3.168.86.38/32 | Amazon CloudFront | - | 美国 圣何塞 | - | 99% | 932ms |
| North America | - | 18.154.132.70/32 | Amazon CloudFront | - | 美国 洛杉矶 | - | 99% | 1216ms |
| Eastern North America | Overseas | 2600:9000:24ef:de00:1b:687b:4080:93a1/128 | Amazon CloudFront | - | 美国 波士顿 | - | 99% | 1782ms |
| Southern China | BGP多线 | 108.138.7.95/32 | Amazon CloudFront | - | 中国 广州市 | - | 99% | 3117ms |
Confidence 99%
CNAME: d19tond0ozoa9u.cloudfront.netCNAME: d19tond0ozoa9u.cloudfront.netheader: x-amz-cf-idCNAME: d19tond0ozoa9u.cloudfront.netCNAME: d19tond0ozoa9u.cloudfront.netheader: x-amz-cf-idCNAME: d19tond0ozoa9u.cloudfront.netCNAME: d19tond0ozoa9u.cloudfront.netheader: x-amz-cf-idCNAME: d19tond0ozoa9u.cloudfront.netCNAME: d19tond0ozoa9u.cloudfront.netheader: x-amz-cf-idCNAME: d19tond0ozoa9u.cloudfront.netCNAME: d19tond0ozoa9u.cloudfront.netheader: x-amz-cf-idCNAME: d19tond0ozoa9u.cloudfront.netCNAME: d19tond0ozoa9u.cloudfront.netheader: x-amz-cf-idCNAME: d19tond0ozoa9u.cloudfront.netCNAME: d19tond0ozoa9u.cloudfront.netheader: x-amz-cf-idMethodology and limitations
The confirmation result is based on currently published rules, multiple real Agents, multiple regions, and at least two types of independent evidence.