AAAA record of checkout.<domain>: looks up the checkout host under the domain you give (AAAA via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like checkout without enumerating subdomains. $0.01 per lookup.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0xFC24...eBB3 |
| Base Sepolia | exact | $0.01 USDC | 0xFC24...eBB3 |