What is a domain name? Domain, hosting and DNS explained
Separate domain names, URLs, subdomains and hosting with an example. Understand registrars, DNS records and domain expiration dates.
Is a domain name the same as a web address?
A domain name is a readable name used to reach an internet resource. In https://shop.example.com/products?color=blue, example.com is the registered domain, shop is a subdomain, /products is the path and the part after the question mark is a query parameter. The https scheme specifies the protocol. Together these parts form the URL.
The registered domain is not always the last two labels: some extensions allow registration at a lower level. Use the registered name for an ownership lookup. A website failing to open does not prove its domain is unregistered or available to buy.
Domain, hosting and DNS have different roles
The domain provides the name. Hosting runs the website’s files or application. DNS lets clients find records associated with the name, such as IP addresses and mail routing. One provider may bundle all three, but they remain separate services.
Your domain could be registered with company A, use DNS at company B and run its website at company C. Nameservers in a domain lookup indicate DNS delegation, not necessarily the web host. For a changed web record, follow the separate layers in the DNS changes and TTL guide.
Registrar, registrant and registry are different
The registrar is the provider through which you manage registration and renewal. The registrant is the person or organization to whom the domain is registered, where published. The registry operates the extension’s registration infrastructure. Do not read the registrar’s company name as the website owner.
Even if an agency built your site, check who controls the domain account. For your own domain, maintain account access, a usable recovery address and a renewal schedule. A public lookup does not prove account access or establish whether the website is trustworthy.
What dates and nameservers can tell you
The registration date indicates the start of the current registration; expiration is the end date reported by the relevant service. Domain age is not the age of the brand or the length of continuous website operation. A deleted and re-registered domain may have a current registration date that says nothing about its earlier use.
Compare expiration with the renewal information in your registrar account. If the site is unavailable, inspect registration status, DNS and hosting separately. The domain owner lookup guide explains how to read published ownership fields and missing records.
Domain lookup
Look up the registered domain and review its registrar, dates and nameservers together. Personal ownership details may not be published.
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