agentprobe.org
074 ms5,601 ms2026-09-07T04:31:31+00:00 · ok · 135 ms2026-09-08T08:57:38+00:00 · ok · 878 ms2026-09-09T11:52:45+00:00 · ok · 5601 ms2026-09-10T12:05:33+00:00 · ok · 318 ms2026-09-07 04:312026-09-10 12:05074 ms5,601 ms2026-09-07T04:31:31+00:00 · ok · 135 ms2026-09-08T08:57:38+00:00 · ok · 878 ms2026-09-09T11:52:45+00:00 · ok · 5601 ms2026-09-10T12:05:33+00:00 · ok · 318 ms2026-09-07 04:312026-09-10 12:05
probe history, latency (log) over time, glyph = outcome
A grade
ok
100 score
318 ms
2 version
100.0% uptime over 4 measured probes
AS51167 CONTABO - Contabo GmbH, DE · DE

https://api.hergertsynthora.com/v1/mtasts

x402 first seen 2026-09-07 · last seen 2026-09-10 · json

Listed in

sourcenamedescriptionexternal id
x402 Bazaar (Coinbase CDP discovery)https://api.hergertsynthora.com/v1/mtastshttps://api.hergertsynthora.com/v1/mtasts
agent-tools.cloudSYNTHORA mtastsSYNTHORA mtasts: sMTP transport-security audit: MTA-STS (RFC 8461) + TLS-RPT (RFC 8460). Resolves the policy DNS records, fetches and parses the well-known polix402:smtp-transport-security-audit

Same host

a2a × 3 · 3 alive agents-txt × 1 · 1 alive ard × 1 llms-txt × 1 · 1 alive robots × 1 · 1 alive sigdir × 1 x402 × 122 · 116 alive

Badge

agentprobe grade A

embed:

<a href="https://agentprobe.org/endpoint/25566"><img src="https://agentprobe.org/badge/25566.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-10 12:05ok100 402HTTP/1.13182
details

capabilities

{"payment_header":true,"content_type":"application/json","accepts":1}

meta

{"final_url":"https://api.hergertsynthora.com/v1/mtasts","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 402
2026-09-09 11:52ok100 402HTTP/1.156012
details

capabilities

{"payment_header":true,"content_type":"application/json","accepts":1}

meta

{"final_url":"https://api.hergertsynthora.com/v1/mtasts","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 402
2026-09-08 08:57ok100 4028782
details

capabilities

{"payment_header":true,"content_type":"application/json","accepts":1}

meta

{"final_url":"https://api.hergertsynthora.com/v1/mtasts","vantage":"us-east-1"}
2026-09-07 04:31ok100 4021352
details

capabilities

{"payment_header":true,"content_type":"application/json","accepts":1}

meta

{"final_url":"https://api.hergertsynthora.com/v1/mtasts"}