agentprobe.org
071 ms5,048 ms2026-09-07T10:58:48+00:00 · connect-fail · 1091 ms2026-09-09T11:32:50+00:00 · http-error · 5048 ms2026-09-07 10:582026-09-09 11:32071 ms5,048 ms2026-09-07T10:58:48+00:00 · connect-fail · 1091 ms2026-09-09T11:32:50+00:00 · http-error · 5048 ms2026-09-07 10:582026-09-09 11:32
probe history, latency (log) over time, glyph = outcome
F grade
http-error
— score
5048 ms
0.0% uptime over 2 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US

https://http-header-checker.underscoredone.com/

llms-txt first seen 2026-09-07 · last seen 2026-09-11 · json

Same host

a2a × 1 agents-txt × 1 ard × 1 robots × 1 · 1 alive sigdir × 1 x402 × 1 · 1 alive

Badge

agentprobe grade F

embed:

<a href="https://agentprobe.org/endpoint/870261"><img src="https://agentprobe.org/badge/870261.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-09 11:32http-error 404HTTP/1.15048
details

meta 

{"url":"https://http-header-checker.underscoredone.com/llms.txt","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-07 10:58connect-fail 1091
details

meta 

{"vantage":"us-east-1"}
h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED