← The evidence ledger
Evidence row 119705
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/email/auth
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 62f2704cfab8a2d415882ae10d93a09006ce66f00df7fbb71ad3f385c683860c
- Leaf
- 0x359876739bd60ea18f3e3850d91480c40fcfa493f83bde4a3c543ac9d3b7b1fa
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/email/auth"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:email-auth-check",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:email-auth-check",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:email-auth-check",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:email-auth-check",
"reference": "ARzUHwZ7oXkNM2Lt7LmN5Pbwah3HQPTvfsjZGs3xntiH",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazplbWFpbC1hdXRoLWNoZWNrIiwicmVmZXJlbmNlIjoiQVJ6VUh3WjdvWGtOTTJMdDdMbU41UGJ3YWgzSFFQVHZmc2paR3MzeG50aUgiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFUGpGV2RkNUF1ZnFTU3FlTTJxTjF4enliYXBDOEc0d0VHR2tad3lURHQxdiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjM2NTEzMzU0MX0.569MwWAes0ZLE7FJLWJPj4bYUWw0wQeRG_cDwyYY1tU"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:email-auth-check",
"reference": "21NX5nZtnVThvQN7imsrK1YRx2mUepedtGRQxJJ22bQW",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazplbWFpbC1hdXRoLWNoZWNrIiwicmVmZXJlbmNlIjoiMjFOWDVuWnRuVlRodlFON2ltc3JLMVlSeDJtVWVwZWR0R1JReEpKMjJiUVciLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOiJFczl2TUZyemFDRVJtSmZyRjRIMkZZRDRLQ29Oa1kxMU1jQ2U4QmVud05ZQiIsIm1pbkFtb3VudCI6MTAwMDAsImV4cCI6MTc5MjM2NTEzMzU0MX0.vqrDHzCp-X1db9VIxHIiNbdn9PUJX3UhXO0GatVWktU"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "93511",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:email-auth-check",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "96404",
"reference": "D6EW34KypAogisobSPKqe9qvnEaFe1ousUig6qKEeXjT",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazplbWFpbC1hdXRoLWNoZWNrIiwicmVmZXJlbmNlIjoiRDZFVzM0S3lwQW9naXNvYlNQS3FlOXF2bkVhRmUxb3VzVWlnNnFLRWVYalQiLCJyZWNpcGllbnQiOiI3TFNqZnJKZjhmTnNCOFZBOXU3TjNXRW4yNXNtUUxwb2IzU3Z5VXZYYWN5NyIsIm1pbnQiOm51bGwsIm1pbkFtb3VudCI6OTM1MTEsImV4cCI6MTc5MjM2NTEzMzU0MX0.41oWUS5KBa9qkcza4awesruSaU9rLfDiAFm6ZRkwW7M",
"solUsdPrice": 103.73
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Email authentication posture for a domain - SPF with lookup count, DMARC policy and reporting, DKIM selectors, MX, MTA-STS, TLS-RPT and BIMI with prioritised issues",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"domain": "github.com"
},
"type": "http"
},
"output": {
"example": {
"bimi": false,
"dkim_selectors_found": [
"google",
"selector1",
"k1",
"s1",
"s2"
],
"dmarc": {
"dkim_alignment": "r",
"percent": 100,
"policy": "quarantine",
"rua": "mailto:dmarc@github.com",
"ruf": "mailto:dmarc@github.com",
"spf_alignment": "r",
"subdomain_policy": "reject"
},
"domain": "github.com",
"issues": [
{
"issue": "SPF uses ~all (softfail); -all is stricter",
"severity": "low"
}
],
"mta_sts": false,
"mx": [
{
"host": "github-com.mail.protection.outlook.com",
"priority": 0
}
],
"note": "DKIM is only probed at 12 common selectors, so absence does not prove DKIM is unused.",
"source": "public DNS",
"spf": {
"all": "~",
"dns_lookup_terms": 8,
"includes": [
"spf.protection.outlook.com",
"_netblocks.google.com",
"_netblocks2.google.com",
"mail.zendesk.com",
"_spf.salesforce.com",
"servers.mcsv.net",
"mktomail.com",
"sendgrid.net"
],
"record": "v=spf1 ip4:192.30.252.0/22 include:spf.protection.outlook.com include:_netblocks.google.com include:_netblocks2.google.com include:mail.zendesk.com include:_spf.salesforce.com include:servers.mcsv.net include:mktomail.com include:sendgrid.net ip4:62.253.227.114 ip4:166.78.69.169 ip4:166.78.69.170 i…"
},
"tls_rpt": false,
"verdict": "protected"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"domain": {
"description": "Sending domain such as example.com",
"type": "string"
}
},
"required": [
"domain"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"bimi": {
"description": "True when a BIMI record is published",
"type": "boolean"
},
"dkim_selectors_found": {
"description": "Dkim selectors found",
"type": "array"
},
"dmarc": {
"description": "DMARC record with policy, subdomain policy, percentage, report addresses (rua, ruf) and DKIM and SPF alignment modes",
"properties": {
"dkim_alignment": {
"description": "Dkim alignment",
"type": [
"string",
"null"
]
},
"percent": {
"description": "Percentage of mail the policy applies to",
"type": [
"number",
"null"
]
},
"policy": {
"description": "DMARC policy: none, quarantine or reject",
"type": [
"string",
"null"
]
},
"rua": {
"description": "Address for aggregate reports",
"type": [
"string",
"null"
]
},
"ruf": {
"description": "Address for forensic reports",
"type": [
"string",
"null"
]
},
"spf_alignment": {
"description": "Spf alignment",
"type": [
"string",
"null"
]
},
"subdomain_policy": {
"description": "Subdomain policy",
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"domain": {
"description": "Domain name",
"type": "string"
},
"issues": {
"description": "Issues found",
"items": {
"properties": {
"issue": {
"description": "Weakness found in the email authentication setup",
"type": [
"string",
"null"
]
},
"severity": {
"description": "Severity level"
}
},
"type": "object"
},
"type": "array"
},
"mta_sts": {
"description": "Mta sts",
"type": "boolean"
},
"mx": {
"description": "Mail exchangers with priority and host",
"items": {
"properties": {
"host": {
"description": "Hostname"
},
"priority": {
"description": "MX preference; lower values are tried first",
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"type": "array"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"spf": {
"description": "SPF record text with parsed mechanisms and the all-qualifier policy",
"properties": {
"all": {
"description": "The all qualifier: - fail, ~ softfail, ? neutral, + pass",
"type": [
"string",
"null"
]
},
"dns_lookup_terms": {
"description": "Dns lookup terms",
"type": [
"number",
"null"
]
},
"includes": {
"description": "Domains included by the record",
"type": [
"array",
"null"
]
},
"record": {
"description": "The SPF TXT record",
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"tls_rpt": {
"description": "Tls rpt",
"type": "boolean"
},
"verdict": {
"description": "Overall assessment derived from the listed reasons",
"type": "string"
}
},
"required": [
"domain",
"verdict",
"issues"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-18T23:10:13.591Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-18T23:10:13.341Z"
},
"resource": "https://saylorinnovations.com/api/email/auth",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"check spf dkim dmarc",
"email deliverability dns check",
"is my domain spoofable",
"dmarc policy lookup",
"email authentication audit"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Email authentication posture for a domain - SPF with lookup count, DMARC policy and reporting, DKIM selectors, MX, MTA-STS, TLS-RPT and BIMI with prioritised issues"
}What the leaf hashes
{"body":"62f2704cfab8a2d415882ae10d93a09006ce66f00df7fbb71ad3f385c683860c","id":119705,"kind":"listing","method":"baseline/1","observed_us":1793025616387365,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/email/auth","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x35985b1308e135f41fe05923c165f011266b1d951f5b39a92e865aaa8beda00c
- 0x47b1e7e08e29be33b2a1c826d95a98e4f7123f3b24530cecebfca4d5fb424b91
- 0xa51b699c4b558a6fef9f0cab2080a2ec3cdd93d17a42f2c2e7eabb22cf6343fa
- 0x5e53e8c8d5cdf87afb00554e933c974377be0e73054013172481a71c73964971
- 0x6b4b62ab5919eb602a774b6a4e958af2459f38fa319cabf39e2fec89cef7012d
- 0x28d52cfda981d950c23ded4050d64a96a044d2d166a4eb6d76462ba0c0490773
- 0xb1353b6d5bb061860d357544a6e2c7afe9d38c5dc2d01f34afaaac7fbead13e2
- 0x9e815fbb1101f1b37fabc6d4cc0e69463e49ebd6cb8f1ed87eeab29d6b646c9c
- 0x22c6c669d925fab3e5126f017569e4787de0c18be4729cfed8f8720fe174c47f
- 0x36bec804120016062991795b06589946d6f9108ba9f84ace37bda5ef8cca7e6d
- 0x30ae64b0356d2a2933965306373f46f4bf64268b5a265594ef3370f079c19d92
- 0x992ab7416b80cd368936c788f743fd3ea4576a49e22c75ab0262abf692f8ed6c
- 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
- 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae