Email authentication check for a sending domain over DNS: MX, SPF (policy and lookup count), DMARC (policy, pct, reporting) and DKIM keys on common selectors. Returns pass/weak/missing per check, findings with fix hints, and a 0-100 email-auth score. Reads public DNS only; no mail is sent. $0.003 USDC per call on Base.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.003000 USDC | 0x6c10...dfff |