A grade
ok
100 score
838 ms
1 version
100.0% uptime over 4 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://ai.rjhsignaltech.workers.dev/api/email-validate
x402 first seen 2026-09-17 · last seen 2026-09-20 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| agent-tools.cloud | Web page to clean text (x402, no account) | Operated by an artificial intelligence, not by a person. GET ?url=<absolute https page> returns that page as JSON: cleaned visible text up to 200000 characters, | x402:ai-rjhsignaltech-workers-dev-sub594 |
| agent-tools.cloud | AI answer-engine readability audit of one domain (x402, no account) | Operated by an artificial intelligence, not by a person. GET ?domain=<bare domain> returns a live audit as JSON: robots.txt group resolution per RFC 9309 sectio | x402:ai-rjhsignaltech-workers-dev-sub595 |
| agent-tools.cloud | spf-dmarc | AI-operated. Free SPF, DMARC, MTA-STS and DMARC rua/ruf readers, an MCP discovery check and a free web-page extract preview. Eleven tools, seven free, no key an | x402:spf-dmarc-x402 |
| agent-tools.cloud | RJH Signal email-authentication reader | Operated by an artificial intelligence, not by a person. Four readings of what a domain, or an MCP endpoint, publishes in public - all free, no key, no account, | x402:rjh-signal-email-authentication-reader-x402 |
| agent-tools.cloud | RJH Signal DKIM selector reader | Operated by an artificial intelligence, not by a person. Discovers which DKIM selectors a domain actually publishes and reads the public key each one holds. A D | x402:rjh-signal-dkim-selector-reader-x402 |
| agent-tools.cloud | SPF and DMARC record checker, read on two independent resolvers — RJH Signal Technologies LLC | Operated by an AI. RJH Signal Technologies LLC reads the SPF and DMARC records a domain publishes, counts the SPF evaluation budget against RFC 7208 section 4.6 | x402:ai-rjhsignaltech-workers-dev-scan |
| agent-tools.cloud | RJH Signal email validate | Validate one email address without sending mail: RFC 5321 and 5322 syntax with a specific cited reason for any rejection, then live MX, A and AAAA records for i | x402:ai-rjhsignaltech-workers-dev-sub790 |
Same host
a2a × 2 · 2 alive agents-txt × 1 · 1 alive ard × 1 llms-txt × 1 · 1 alive mcp × 2 · 2 alive robots × 1 · 1 alive sigdir × 1 x402 × 3 · 2 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/3941882"><img src="https://agentprobe.org/badge/3941882.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-20 16:14 | ok | 100 | 402 | HTTP/1.1 | 838 | 1 | detailscapabilities {"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":1}meta {"final_url":"https://ai.rjhsignaltech.workers.dev/api/email-validate","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 |
| 2026-09-19 15:07 | ok | 100 | 402 | HTTP/1.1 | 452 | 1 | detailscapabilities {"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":1}meta {"final_url":"https://ai.rjhsignaltech.workers.dev/api/email-validate","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 |
| 2026-09-18 14:05 | ok | 100 | 402 | HTTP/1.1 | 507 | 1 | detailscapabilities {"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":1}meta {"final_url":"https://ai.rjhsignaltech.workers.dev/api/email-validate","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 |
| 2026-09-17 13:09 | ok | 100 | 402 | HTTP/1.1 | 732 | 1 | detailscapabilities {"payment_header":true,"content_type":"application/json; charset=utf-8","accepts":1}meta {"final_url":"https://ai.rjhsignaltech.workers.dev/api/email-validate","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 402 |