Lookup datasets retrieved 2026-09-17. Update these snapshots when packaging a new release.

Public Suffix List (ICANN rules used; PRIVATE rules not used for registration queries):
https://publicsuffix.org/list/public_suffix_list.dat
Mozilla Public License 2.0; license notice and contributors in the data file.

IANA RDAP DNS bootstrap:
https://data.iana.org/rdap/dns.json
IANA registrar IDs / RDAP base URLs (Accredited HTTPS entries extracted to rdap-registrars.json):
https://www.iana.org/assignments/registrar-ids/registrar-ids-1.csv

JSON for Modern C++ v3.12.0, Niels Lohmann:
https://github.com/nlohmann/json/tree/v3.12.0
MIT license: nlohmann-LICENSE.MIT; header in src/third_party/json.hpp.
