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Domain WHOIS

Get WHOIS Information about a domain name For Free on ZainTools.

Domain WHOIS

How Domain Whois Tools Work

Domain Whois tools function by querying a database that stores information about domain name registrations. This database is known as the Whois database. When a user initiates a query through a domain Whois tool, the tool sends a request to this database to retrieve details about the domain name in question. The information that can be retrieved typically includes the domain registrant's name, contact information, registration date, expiration date, and the name servers associated with the domain.

Registries and registrars play a crucial role in maintaining Whois records. A registry is an organization responsible for managing the top-level domains (TLDs), such as .com, .net, or .org. Registrars are entities accredited by registries to facilitate the registration of domain names. When a domain name is registered, the registrar collects the registrant's information and submits it to the registry, which then updates the Whois database.

There are two primary models for storing Whois data: the thin and thick Whois models. In the thin Whois model, the registry only stores minimal information about the domain, such as the registrar's name and the name servers. To obtain detailed information, a separate query must be made to the registrar's database. Conversely, the thick Whois model stores comprehensive details, including registrant information, administrative and technical contacts, and the domain's status, all within the registry's database. This model allows for quicker access to complete domain information through a single query.

Common Whois queries include searching for a domain's availability, retrieving contact information, and checking the domain's status. A typical Whois query output may display the registrant's name, organization, address, email, phone number, registration and expiration dates, and the domain's status (e.g., active, expired). This detailed information aids users in various tasks, such as confirming domain ownership, investigating potential domain disputes, or contacting the domain owner for business inquiries.


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