{"slug":"probekit-bfd1c09b","name":"ProbeKit","summary":"Parse and evaluate a domain's SPF record: the include and redirect tree, qualifiers and the RFC 7208 limit of ten DNS lookups, with coded findings. Use when an agent must tell whether SPF is valid, why mail from a service fails SPF, or whether one more include would exceed the lookup limit.","status":"live","indexable":true,"listed_since":"2026-10-25T17:53:01.270852Z","sources":[{"source":"x402_bazaar","external_id":"https://api.probekit.dev/v1/mail/spf","owner_address":"0x5be2be9f95549a2d69951d24a2b3901d1df1bc05","seen_at":"2026-10-27T12:30:40.784247Z","removed_at":null}],"endpoints":[{"url":"https://api.probekit.dev/v1/mail/spf","host":"api.probekit.dev","protocol":"x402","state":"live","last_probe_at":"2026-10-26T23:48:22.625001Z","last_ok_at":"2026-10-26T23:48:22.625001Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-probekit-dev-0d62db6e","name":"api.probekit.dev"}],"payment_options":[{"endpoint_url":"https://api.probekit.dev/v1/mail/spf","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"10000","pay_to":"0x5be2be9f95549a2d69951d24a2b3901d1df1bc05","observed_at":"2026-10-26T23:48:22.625001Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":5,"last_paid_at":"2026-10-25T21:20:49.736Z","reported_at":"2026-10-27T12:30:40.784247Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 6 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 1 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"3 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-27T06:02:31.552848Z"},"identity":{"endpoint_domains":["probekit.dev"],"proven_domains":[],"proven_wallets":[],"namesakes":[{"slug":"probekit-37bf3ce3","name":"ProbeKit","proven_domain":null},{"slug":"probekit-c72619e8","name":"ProbeKit","proven_domain":null},{"slug":"probekit-2c09174d","name":"ProbeKit","proven_domain":null},{"slug":"probekit-39391b06","name":"ProbeKit","proven_domain":null},{"slug":"probekit-4fcd5ba6","name":"ProbeKit","proven_domain":null},{"slug":"probekit-b0c7dbdf","name":"ProbeKit","proven_domain":null},{"slug":"probekit-4a894523","name":"ProbeKit","proven_domain":null},{"slug":"probekit-412c59b8","name":"ProbeKit","proven_domain":null},{"slug":"probekit-8ab7174d","name":"ProbeKit","proven_domain":null},{"slug":"probekit-3b7eb36c","name":"ProbeKit","proven_domain":null}],"namesake_count":13,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}