D grade
card-invalid
20 score
1227 ms
0.0% uptime over 7 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://a2a.sntl.site/
ard first seen 2026-09-07 · last seen 2026-09-12 · json
Same host
a2a × 1 agents-txt × 1 · 1 alive llms-txt × 1 mcp × 1 robots × 1 · 1 alive sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/3856486"><img src="https://agentprobe.org/badge/3856486.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-12 13:12 | card-invalid | 20 | 200 | HTTP/1.1 | 1227 | detailsmeta {"catalog_url":"https://a2a.sntl.site/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-11 12:18 | card-invalid | 20 | 200 | HTTP/1.1 | 1242 | detailsmeta {"catalog_url":"https://a2a.sntl.site/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-10 11:19 | card-invalid | 20 | 200 | HTTP/1.1 | 1343 | detailsmeta {"catalog_url":"https://a2a.sntl.site/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-09 10:16 | card-invalid | 20 | 200 | HTTP/1.1 | 501 | detailsmeta {"catalog_url":"https://a2a.sntl.site/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-09 09:48 | connect-fail | 926 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-08 08:46 | card-invalid | 20 | 200 | 2797 | detailsmeta {"catalog_url":"https://a2a.sntl.site/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"vantage":"us-east-1"} | not a JSON object | ||
| 2026-09-07 06:38 | card-invalid | 20 | 200 | 46 | detailsmeta {"catalog_url":"https://a2a.sntl.site/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"]} | not a JSON object |