Who Dat? is a free and open source API for performing WHOIS and RDAP lookups on domain names. It allows developers and sysadmins to retrieve domain registration and ownership details via a public API or self-hosted deployment. The tool supports Docker, is easy to self-host, and requires no authentication for public use.
As93 sits in PulseGate's API design, testing & docs category. It focuses on accessing domain ownership and registration data programmatically without relying on commercial WHOIS services. It is built as an open-source project for developers and sysadmins needing domain lookup APIs. As93 is open source under the MIT license. As93 is available on the web, API, and the command line, and it can be self-hosted.
It is developed by Alicia Sykes, and the product first shipped in 2024. Development happens publicly on GitHub with 292 stars and 49 commits in the last 90 days. Key capabilities include WHOIS lookup, RDAP lookup, and Public API. It exposes integrations via a public API.
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