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Domain Age Checker

Look up when a domain was first registered, when it expires, when its record last changed, and which registrar holds it. Registration data comes from RDAP, the JSON-based successor to WHOIS.

How to use this tool

  1. 1

    Type a domain such as example.com into the input. You can paste a full URL too — the tool strips https:// and a leading www. before looking it up.

  2. 2

    Click Check to send the bare domain to the lookup endpoint.

  3. 3

    Read the result: age in years is shown large at the top, with registration, expiry, last-updated dates and the registrar listed below.

  4. 4

    Any field the registry does not return (often expiry on ccTLDs, or redacted registrar names) shows a dash instead of a value.

What is domain age and how is it calculated here?

Domain age is the time elapsed since a domain name was first registered with its registry. This tool resolves it from the domain's registration record rather than guessing: it queries RDAP (Registration Data Access Protocol), the modern, JSON-based replacement for legacy text WHOIS that ICANN now requires for gTLDs. The lookup goes through rdap.org, a bootstrap service that redirects each query to the authoritative registry for that TLD. From the returned record it reads the 'events' array — the 'registration' event date becomes the creation date, 'expiration' becomes the expiry, and 'last changed' becomes the last-updated date. Age is computed as the gap between now and the registration date, divided by 365.25 days and rounded to two decimal places, so it averages in leap years rather than counting exact calendar days. The registrar name is pulled from the registrar entity's vCard 'fn' field. RDAP coverage is excellent for gTLDs like .com, .net and .org, but many country-code TLDs either don't run RDAP or omit fields, and registrars increasingly redact data under privacy rules, so some lookups return partial results.

Common use cases

  • Vetting a domain offered for sale on a marketplace to confirm its real creation date before you pay a premium for an 'aged' name.

  • Checking how close a domain is to its expiration date so you can plan to renew it or try to catch it when it drops.

  • Investigating a suspicious link or sender — a domain registered days ago is a common phishing and scam signal.

  • Researching a competitor or acquisition target to see how long they have held their primary domain.

  • Confirming which registrar currently manages a domain before starting a transfer or recovery process.

  • Spot-checking a backlink or guest-post prospect to make sure the site is an established domain, not a freshly spun-up throwaway.

Frequently asked questions

Where does the registration data come from?▼
From RDAP, queried through the rdap.org bootstrap service, which forwards each request to the registry responsible for that TLD. RDAP is the structured, JSON-based protocol that has replaced legacy text WHOIS for most generic TLDs.
Why are some fields shown as a dash?▼
A dash means the registry did not return that field. This is common for country-code TLDs that don't expose expiration or last-changed events, and for records where the registrar name has been redacted for privacy. Only the fields RDAP actually returns are displayed.
How exactly is the age number calculated?▼
It is the time between the registration date and the current moment, divided by 365.25 days and rounded to two decimals. Using 365.25 averages in leap years, so the figure is a close approximation rather than an exact calendar-day count.
Does a full URL work, or only a bare domain?▼
Both. If you paste a URL, the tool extracts the hostname, drops the protocol, and strips a leading www. before looking up the registered domain. Subdomains are reduced toward the hostname you enter, so for best results enter the registrable domain itself.
Is my lookup processed in the browser?▼
No. The domain you enter is sent to this site's server, which calls rdap.org on your behalf and returns the parsed result. The domain name is therefore visible to the server and to the RDAP registry, the same as any WHOIS lookup.
Does domain age affect SEO?▼
Only indirectly. Google has stated that age by itself is not a meaningful ranking factor. What correlates with rankings is the backlinks, content and history a long-lived domain tends to accumulate — not the registration timestamp on its own.
Why did my lookup fail entirely?▼
The request fails if the TLD has no RDAP server, if rdap.org cannot resolve the domain, or if the registry returns an error for an unregistered or malformed name. For TLDs without RDAP support you'll need a registry-specific WHOIS service instead.

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