x402 Domain Lookup & DNS Email Auth
Domain lookup (DNS records + RDAP registrar/age/expiry), bulk, and SPF/DKIM/DMARC audit via x402.
| Endpoint | https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp (streamable-http) |
|---|---|
| Registry version | 0.3.0 |
| Now | 4 tools · grade A (97) · pin ts_353461f09115bcab2526a3fa36bf391e · protocol 2025-06-18 |
| First / last listed | 2026-11-09 01:06 UTC / 2026-11-09 01:06 UTC |
| Grade over time | 2026-11-09: A (97), 4 tools |
Is this your server? Own a server? ToolFit hosted watch re-checks it every 24 h ($0.25 per 30 days) or 6 h ($0.60) and sends you an HMAC-signed webhook when its tools or grade change: POST https://api.youraitools.co/toolfit/v1/watch. To opt out, see About & opt-out.
Tools: domain_auth_check domain_lookup domain_lookup_bulk health
domain_auth_check | Audit a domain's email authentication DNS: SPF (record count, all qualifier, includes, ~DNS lookups vs 10 limit), DMARC (p, sp, pct, rua/ruf, adkim/aspf), DKIM (common or given selectors, key type and length), MX, plus BIMI / MTA-STS / TLS-RPT presence. Returns per-check status, issues, recommendations, score 0-100 and grade A-F. Costs $0.003 USDC per call via x402. params: domain*, selectors |
domain_lookup | Domain lookup: DNS records (A, AAAA, MX, NS, TXT, CNAME, SOA, CAA via Cloudflare DNS-over-HTTPS, DNSSEC AD flag) plus registration data from the registry's RDAP server (IANA bootstrap): registrar + IANA id, created / updated / expiry dates, age in days, days to expiry, EPP status, nameservers, DNSSEC delegation, registrar abuse contact. No registrant personal data. Charged only when DNS answered ( params: domain* |
domain_lookup_bulk | Bulk domain lookup: the same DNS + RDAP registration report as domain_lookup for up to 10 domains in one call (deduplicated). Per-domain errors are returned inline. Charged once ($0.01 USDC via x402) only if at least one domain succeeded; otherwise not charged. params: domains* |
health | Free health check. Returns service status, price and network. params: none |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.