---
id: "rdap"
kind: "glossary-term"
title: "RDAP"
language: "en"
category: "Registration data and privacy"
updated: "2026-10-04T14:01:23Z"
canonical: "https://tldlog.com/glossary/rdap/"
translations:
  es: "https://tldlog.com/es/glosario/rdap/"
  de: "https://tldlog.com/de/glossar/rdap/"
  fr: "https://tldlog.com/fr/glossaire/rdap/"
  it: "https://tldlog.com/it/glossario/rdap/"
  pt-BR: "https://tldlog.com/pt/glossario/rdap/"
  ru: "https://tldlog.com/ru/glossariy/rdap/"
  zh-Hans: "https://tldlog.com/zh/cihui/rdap/"
---

# RDAP

Registration Data Access Protocol

The standard way to look up registration data for domain names and IP addresses. It sends structured, machine-readable answers over HTTPS and can give different users different levels of access. Since 28 January 2025, RDAP has been the definitive source of gTLD registration data, replacing WHOIS.

## related terms

- [WHOIS](https://tldlog.com/glossary/whois/)
- [Registration Data Policy](https://tldlog.com/glossary/registration-data-policy/)
- [RDRS](https://tldlog.com/glossary/rdrs/)
- [redaction](https://tldlog.com/glossary/redaction/)