B grade
ok
100 score
1567 ms
80.0% uptime over 5 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://dns-whois-lookup.underscoredone.com/lookup
x402 first seen 2026-09-07 · last seen 2026-09-11 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| x402 Bazaar (Coinbase CDP discovery) | https://dns-whois-lookup.underscoredone.com/lookup | https://dns-whois-lookup.underscoredone.com/lookup |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 · 1 alive sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/21512"><img src="https://agentprobe.org/badge/21512.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-11 11:28 | ok | 100 | 402 | HTTP/1.1 | 1567 | detailscapabilities {"payment_header":true,"content_type":"application/json","accepts":0}meta {"final_url":"https://dns-whois-lookup.underscoredone.com/lookup","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 | |
| 2026-09-10 10:25 | ok | 100 | 402 | HTTP/1.1 | 1671 | detailscapabilities {"payment_header":true,"content_type":"application/json","accepts":0}meta {"final_url":"https://dns-whois-lookup.underscoredone.com/lookup","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 | |
| 2026-09-09 09:55 | ok | 100 | 402 | 1006 | detailscapabilities {"payment_header":true,"content_type":"application/json","accepts":0}meta {"final_url":"https://dns-whois-lookup.underscoredone.com/lookup","vantage":"us-east-1"} | HTTP 402 | ||
| 2026-09-08 08:53 | connect-fail | 3925 | detailsmeta {"vantage":"us-east-1"} | LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED | ||||
| 2026-09-07 05:01 | ok | 100 | 402 | 70 | detailscapabilities {"payment_header":true,"content_type":"application/json","accepts":0}meta {"final_url":"https://dns-whois-lookup.underscoredone.com/lookup"} |