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Maël Gangloff edited this page Aug 8, 2024 · 2 revisions

The latest version of the WHOIS protocol was standardized in 2004 by RFC 3912. This protocol allows anyone to retrieve key information concerning a domain name, an IP address, or an entity registered with a registry.

ICANN launched a global vote in 2023 to propose replacing the WHOIS protocol with RDAP. As a result, registries and registrars will no longer be required to support WHOIS from 2025 (WHOIS Sunset Date).

Domain Watchdog uses the RDAP protocol, which will soon be the new standard for retrieving information concerning domain names. The data is organized in a SQL database to minimize space by ensuring an entity is not repeated.

Limitations

Warning

In this project, everything is done to minimize the number of requests to RDAP servers. Limitations imposed on end users help to control the flow of RDAP requests. These limitations can be configured for each instance, in the environment variables.

If the value of the LIMITED_FEATURES environment variable is true, end users will be limited in the RDAP queries that can be performed:

  • A maximum number of RDAP queries of 10 per hour in sliding window mode
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