{"slug":"spf-check-9e9831d0","name":"SPF check","summary":"Fetch and validate a domain's SPF record (RFC 7208). Parses mechanisms (ip4/ip6/include/a/mx/all), counts DNS lookups against the famous 10-lookup limit, and flags the qualifier on `all` (-/fail, ~/softfail, ?/neutral). The first stop when an email is hitting the spam folder.","status":"live","indexable":true,"listed_since":"2026-10-25T17:52:07.619425Z","sources":[{"source":"x402_bazaar","external_id":"https://agent402.tools/api/spf-check","owner_address":"0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0","seen_at":"2026-10-26T06:00:30.370112Z","removed_at":null}],"endpoints":[{"url":"https://agent402.tools/api/spf-check","host":"agent402.tools","protocol":"x402","state":"live","last_probe_at":"2026-10-25T22:07:08.983367Z","last_ok_at":"2026-10-25T22:07:08.983367Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"agent402-tools-4df46169","name":"agent402.tools"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":7,"last_paid_at":"2026-10-20T02:08:01.962Z","reported_at":"2026-10-26T06:00:30.370112Z"},"notice":"Not affiliated with addrbook — claim or request removal."}