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+# Domain Watchdog
+
+Domain Watchdog is a standalone web application that collects open access information about domain names, helping users
+track the history and changes associated with domain names.
+
+## Why use it?
+
+- **Historical Tracking**: Know the history of a domain name, from its inception to its release into the public domain.
+- **Detailed Monitoring**: Follow the evolution of a domain name and the entities that manage it in detail.
+- **Reverse Directory**: Discover domain names associated with an entity registered with a registrar.
+
+Although the RDAP and WHOIS protocols allow you to obtain precise information about a domain, it is not possible to
+perform a reverse search to discover a list of domain names associated with an entity. Additionally, accessing a
+detailed history of events (ownership changes, renewals, etc.) is not feasible with these protocols.
+
+## General Description of Operation
+
+The latest version of the WHOIS protocol was standardized in 2004 by RFC 3912.[^1] 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.[^2] As a result, registries and
+registrars will no longer be required to support WHOIS from 2025 (*WHOIS Sunset Date*).[^2]
+
+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.
+
+## Installation
+
+To deploy a Domain Watchdog instance, please refer to the Symfony documentation
+on [How to deploy a Symfony application](https://symfony.com/doc/current/deployment.html).
+
+### Prerequisites
+
+- PHP 8.0 or higher
+- Symfony 5.0 or higher
+- A SQL-compatible database (e.g., MySQL, PostgreSQL)
+
+### Steps
+
+1. Clone the repository:
+
+```shell
+git clone https://github.com/maelgangloff/domain-watchdog.git
+```
+
+1. Navigate to the project directory:
+
+```shell
+cd domain-watchdog
+```
+
+1. Install dependencies:
+
+```shell
+composer install
+```
+
+1. Set up your environment variables:
+
+```shell
+cp .env .env.local
+```
+
+1. Run database migrations:
+
+```shell
+php bin/console doctrine:migrations:migrate
+```
+
+1. Start the Symfony server:
+
+```shell
+symfony server:start
+```
+
+> [!NOTE]
+> ## Useful documentation
+> - [RFC 7482 : Registration Data Access Protocol (RDAP) Query Format](https://datatracker.ietf.org/doc/html/rfc7482)
+> - [RFC 7483 : JSON Responses for the Registration Data Access Protocol (RDAP)](https://datatracker.ietf.org/doc/html/rfc7483)
+> - [RFC 7484 : Finding the Authoritative Registration Data (RDAP) Service](https://datatracker.ietf.org/doc/html/rfc7484)
+
+
+[^1]: RFC 3912 : WHOIS Protocol Specification. (2004). IETF Datatracker. https://datatracker.ietf.org/doc/html/rfc3912
+[^2]: 2023 Global Amendments to the Base gTLD Registry Agreement (RA), Specification 13, and 2013 Registrar
+Accreditation Agreement (RAA) - ICANN. (s. d.). https://www.icann.org/resources/pages/global-amendment-2023-en