{"id":68188,"recorded_at":"2026-10-26T14:37:46.275301Z","observed_at":"2026-10-26T14:37:46.275268Z","subject_kind":"source_record","subject":"x402_bazaar:https://api.probekit.dev/v1/mail/mta-sts","kind":"listing","method":"baseline/1","body":{"endpoints":[["x402","https://api.probekit.dev/v1/mail/mta-sts"]],"name":"ProbeKit","owner_address":"0x5be2be9f95549a2d69951d24a2b3901d1df1bc05","raw":{"accepts":[{"amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0x5bE2bE9f95549A2D69951d24A2B3901D1df1Bc05","scheme":"exact"}],"description":"Check a domain's MTA-STS setup (RFC 8461): the _mta-sts record, the HTTPS policy file with certificate check and no redirects, mode, max_age and whether every MX host is covered, plus the TLS-RPT record (RFC 8460). Use when an agent must tell whether inbound mail is protected against TLS downgrade, or why senders report MTA-STS failures for a domain.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"domain":"example.com"},"type":"http"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"additionalProperties":false,"properties":{"domain":{"examples":["example.com"],"maxLength":1024,"minLength":1,"title":"Domain","type":"string"}},"required":["domain"],"title":"DomainInput","type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-10-25T18:46:56.685Z","quality":{"l30DaysTotalCalls":1,"l30DaysUniquePayers":1,"lastCalledAt":"2026-10-25T18:46:56.442Z"},"resource":"https://api.probekit.dev/v1/mail/mta-sts","serviceName":"ProbeKit","tags":["email","dns","deliverability","mta-sts","tls"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Check a domain's MTA-STS setup (RFC 8461): the _mta-sts record, the HTTPS policy file with certificate check and no redirects, mode, max_age and whether every MX host is covered, plus the TLS-RPT record (RFC 8460). Use when an agent must tell whether inbound mail is protected against TLS downgrade, or why senders report MTA-STS failures for a domain."},"body_sha256":"81be0ae64e4e930947f2dd359dfc0f21a54b0d804705ac1bbbd7e73e229fad44","prev_id":null,"leaf":"0xc569e90529cb1f0d297b8c4cc786a0138c611ba919e6b3ce57cb7716b2fde785","leaf_text":"{\"body\":\"81be0ae64e4e930947f2dd359dfc0f21a54b0d804705ac1bbbd7e73e229fad44\",\"id\":68188,\"kind\":\"listing\",\"method\":\"baseline/1\",\"observed_us\":1793025466275268,\"prev\":null,\"subject\":\"x402_bazaar:https://api.probekit.dev/v1/mail/mta-sts\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-10-26","leaves":296695,"root":"0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8","chained":"0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a","anchor_chain":"eip155:5042002","anchor_tx":"0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae","anchor_block":69251483},"proof":["0xc569b2c9ccc112d528b6edd3524abfc58439d6c944454ecd6a838c5a51e234ce","0x07e43630f238f51211400fa79141f25bf4acccb5201e99ec82b20b00c9520369","0xb84631a84d10bb4b435c1270a3ea24073e19bc93e4d7793844e34e338219e5d4","0xb5d9369457dff719f5386b04fa9800dc50946efd26872df58516ea144d3da245","0xd49cc76a75f3ff48c76a19c3857ee8f5ad0f355d5b362c5f30f25c2479edf3a6","0x1535e4af541c323528bc9ae3999d365d184babe59249b5476e85505994348d5c","0x21b093646aef382c323afbcf09c7581b822f78092ca9c9f2ec150e4f07a07424","0x4d2dc27cb414ac2add9358bbe2a2872a4bef57860e87d61f34770e25c49b369c","0x8a6ff25e215f3f57bb93d8e11f9934472c8cb841360fc66ab4f6a19147b064b7","0x898f645f86c84a3076cc9b37a95ad7e2490fbce031f5f2e0257dd07699f9e829","0xd2a07d39f43cc6c0a549d9e0f8d8244992bef3f66efa78aea10852590e0fc7dd","0x4d1a020de7fc0aa076daeb62ebb904d51ac6c607b605eb63a7855f34d7b69f1b","0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8","0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004","0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1","0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452","0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40","0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}