F grade
http-error
— score
1257 ms
0.0% uptime over 5 measured probes
AS51167 CONTABO - Contabo GmbH, DE · DE
https://mailcheck.hergertsynthora.com/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-10 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | mailcheck.hergertsynthora.com | paid_api:mailcheck.hergertsynthora.com |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 mcp × 1 robots × 1 sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/8158"><img src="https://agentprobe.org/badge/8158.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-10 11:12 | http-error | 410 | HTTP/1.1 | 1257 | detailsmeta {"card_url":"https://mailcheck.hergertsynthora.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 410 | ||
| 2026-09-09 10:07 | http-error | 410 | 1511 | detailsmeta {"card_url":"https://mailcheck.hergertsynthora.com/.well-known/agent.json","vantage":"us-east-1"} | HTTP 410 | |||
| 2026-09-09 09:47 | connect-fail | 800 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-08 08:45 | connect-fail | 2272 | detailsmeta {"vantage":"us-east-1"} | LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED | ||||
| 2026-09-07 07:40 | connect-fail | 495 | detailsmeta {"vantage":"us-east-1"} | WriteError: |