generated: '2026-09-06' method: probed source: live GET of the named /.well-known/ path list on every host this record knows note: >- Five hosts probed: the registrable domain and www (Webflow marketing site), the API host api.aclid.bio (AWS API Gateway), and the two application hosts dash.aclid.bio and verify.aclid.bio named by the Aclid status page components. dash.aclid.bio and verify.aclid.bio are single-page-app catch-alls that answer HTTP 200 with a 1074-byte HTML shell for every unmatched path, INCLUDING the negative control — so on those two hosts only a response that is not that shell is treated as a document. /.well-known/security.txt is exactly that: 99 bytes of text/plain RFC 9116 content, served identically on both. Everything else on those hosts is the shell and is recorded as a miss. hosts: - host: https://www.aclid.bio path_echo_control: passed hit_count: 0 documents: - {path: /.well-known/security.txt, status: 404} - {path: /.well-known/openid-configuration, status: 404} - {path: /.well-known/oauth-authorization-server, status: 404} - {path: /.well-known/oauth-protected-resource, status: 404} - {path: /.well-known/api-catalog, status: 404} - {path: /.well-known/ai-plugin.json, status: 404} - {path: /.well-known/apis.json, status: 404} - {path: /apis.json, status: 404} - {path: /apis.yml, status: 404} - {path: /.well-known/aauth-resource.json, status: 404} - {path: /.well-known/agent-card.json, status: 404} - {path: /.well-known/agent.json, status: 404} - {path: /.well-known/aclid-negative-control-7f3ab91c.json, status: 404} - host: https://aclid.bio path_echo_control: passed hit_count: 0 documents: - {path: /.well-known/security.txt, status: 404} - {path: /.well-known/openid-configuration, status: 404} - {path: /.well-known/oauth-authorization-server, status: 404} - {path: /.well-known/oauth-protected-resource, status: 404} - {path: /.well-known/api-catalog, status: 404} - {path: /.well-known/ai-plugin.json, status: 404} - {path: /.well-known/apis.json, status: 404} - {path: /apis.json, status: 404} - {path: /apis.yml, status: 404} - {path: /.well-known/aauth-resource.json, status: 404} - {path: /.well-known/agent-card.json, status: 404} - {path: /.well-known/agent.json, status: 404} - {path: /.well-known/aclid-negative-control-7f3ab91c.json, status: 404} - host: https://api.aclid.bio path_echo_control: passed hit_count: 0 note: AWS API Gateway; returns {"detail":"Not Found"} JSON on every unmatched path. documents: - {path: /.well-known/security.txt, status: 404} - {path: /.well-known/openid-configuration, status: 404} - {path: /.well-known/oauth-authorization-server, status: 404} - {path: /.well-known/oauth-protected-resource, status: 404} - {path: /.well-known/api-catalog, status: 404} - {path: /.well-known/ai-plugin.json, status: 404} - {path: /.well-known/apis.json, status: 404} - {path: /apis.json, status: 404} - {path: /apis.yml, status: 404} - {path: /.well-known/aauth-resource.json, status: 404} - {path: /.well-known/agent-card.json, status: 404} - {path: /.well-known/agent.json, status: 404} - {path: /.well-known/aclid-negative-control-7f3ab91c.json, status: 404} - host: https://dash.aclid.bio path_echo_control: failed soft_404_control: path: /.well-known/aclid-negative-control-7f3ab91c.json status: 200 bytes: 1074 content_type: text/html verdict: >- SPA catch-all. Every unmatched path returns the same 1074-byte HTML shell, so a 200 alone proves nothing on this host. Only responses that differ from the shell are counted. hit_count: 1 documents: - path: /.well-known/security.txt status: 200 file: aclid-security.txt content_type: text/plain; charset=utf-8 bytes: 99 note: Not the SPA shell — genuine RFC 9116 document. - {path: /.well-known/openid-configuration, status: 200, result: spa-shell, counted: false} - {path: /.well-known/oauth-authorization-server, status: 200, result: spa-shell, counted: false} - {path: /.well-known/oauth-protected-resource, status: 200, result: spa-shell, counted: false} - {path: /.well-known/api-catalog, status: 200, result: spa-shell, counted: false} - {path: /.well-known/ai-plugin.json, status: 200, result: spa-shell, counted: false} - {path: /.well-known/apis.json, status: 200, result: spa-shell, counted: false} - {path: /apis.json, status: 200, result: spa-shell, counted: false} - {path: /apis.yml, status: 200, result: spa-shell, counted: false} - {path: /.well-known/aauth-resource.json, status: 200, result: spa-shell, counted: false} - {path: /.well-known/agent-card.json, status: 200, result: spa-shell, counted: false} - {path: /.well-known/agent.json, status: 200, result: spa-shell, counted: false} - host: https://verify.aclid.bio path_echo_control: failed soft_404_control: path: /.well-known/aclid-nc-7f3ab91c.json status: 200 bytes: 1074 content_type: text/html verdict: SPA catch-all, same shell as dash.aclid.bio. hit_count: 1 documents: - path: /.well-known/security.txt status: 200 file: aclid-security.txt content_type: text/plain; charset=utf-8 bytes: 99 note: Byte-identical to the dash.aclid.bio copy; saved once. - {path: /.well-known/agent-card.json, status: 200, result: spa-shell, counted: false} - {path: /.well-known/agent.json, status: 200, result: spa-shell, counted: false} - {path: /.well-known/oauth-protected-resource, status: 200, result: spa-shell, counted: false} - {path: /openapi.json, status: 200, result: spa-shell, counted: false} - host: https://cognito-idp.us-east-1.amazonaws.com path_echo_control: passed hit_count: 1 note: >- NOT an Aclid-controlled host. This is AWS Cognito serving the OIDC discovery document for Aclid's own user pool us-east-1_PJ68v2vt9, whose id and region are published in the client configuration of dash.aclid.bio and verify.aclid.bio. It describes Aclid's console identity provider (branded domain aclid.auth.us-east-1.amazoncognito.com) and is recorded here as evidence for authentication/ and conformance/, not as a document Aclid serves itself. documents: - path: /us-east-1_PJ68v2vt9/.well-known/openid-configuration status: 200 file: aclid-openid-configuration.json content_type: application/json - {path: /us-east-1_PJ68v2vt9/.well-known/jwks.json, status: 200} summary: hosts_probed: 6 documents_found: 2 security_txt: true security_txt_expired: true security_txt_expires: '2026-04-07T00:00:00Z' openid_configuration: true api_catalog: false apis_json: false aauth_resource: false agent_card: false ai_plugin: false