TXT record of internal.<domain>: looks up the internal host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like internal without enumerating subdomains. $0.01 per lookup.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0xFC24...eBB3 |
| Base Sepolia | exact | $0.001000 USDC | 0xFC24...eBB3 |