Call when an agent needs SRV records at _carddavs._tcp.{hostname} for CardDAV over TLS. The caller sends the registrable domain, not the underscored name. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-carddavs first.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.002000 USDC | 0x1D61...5a38 |