Domain Age Checker & WHOIS Lookup

The domain age checker for every website.

Know how old any domain really is. Check registration date, expiry, registrar and nameservers in one click, right on the page. No account, no API key.

Add to Chrome - Free See how it works
No account RDAP-first Privacy-respecting Free
stripe.com
14years old

5,247 total days since registration

14YEARS
CreatedSep 201114 yrs ago
UpdatedAug 2024recent
ExpiresSep 2026in 1 yr

Live demo — try , or

How it works

From URL to full registration record in under a second.

No copy-pasting into a separate website-age checker. WhoIsAge reads the page you're on.

1

Open any website

Browse normally. WhoIsAge detects the active tab's registered domain automatically.

2

Click WhoIsAge

One click on the toolbar icon. Or paste any domain into the search field for a manual lookup.

3

Read the report

Domain age, creation, update and expiry dates, registrar, registrant and nameservers — clean and readable.

Features

Everything in the registration record.

A precise WHOIS / RDAP report instead of a long raw record — built for real research.

Instant domain age

The headline answer first: how many years a domain has been registered, plus total days since the creation date.

14years · 5,247 days
CreatedSep 2011

Full WHOIS / RDAP record

Creation, update and expiry dates, registrar, registrant, location, status and configured nameservers, when the registry publishes them.

RegistrarMarkMonitor Inc.
StatusclientTransferProhibited
ns1.example.netns2.example.net

Google SERP age panel

A side panel on Google Search shows the registration age of each organic result.

established-brand.com12 yrs
newcomer-deals.shop3 mo
example.deShow age

Country-code coverage

Handles ccTLDs like .de, .co.uk and .eu via WHOIS and DNS fallbacks.

example.devia WHOIS
shop.co.ukRDAP

Smart domain resolution

Resolves subdomains and multi-label suffixes correctly using the Public Suffix List.

mail.example.co.uk→ example.co.uk

Copy a clean report

One click copies a plain-text WHOIS summary for audits, notes and client emails.

No account, no API key

RDAP-first lookups are free and unlimited. A generous daily allowance covers live WHOIS.

Five languages

Localized in English, German, Spanish, French and Brazilian Portuguese.

Works across 1,500+ TLDs.

From the big generic extensions to country-code domains. RDAP-first, with a secure WHOIS and DNS fallback when a registry has no public RDAP.

Popular generic TLDs (gTLDs)

.com.net.org.io.ai.co.app.dev.xyz.online.store.shop.tech.blog.me.tv.live.digital.pro.info

Major country-code TLDs (ccTLDs)

.de.fr.nl.ch.at.es.it.co.uk.se.no.dk.pl.pt.ie.eu.us.ca.au.in.jp.br

Highlights from 1,500+ supported extensions. Some country-code registries publish limited data; missing fields are shown as not disclosed, never guessed.

Domain age is not website age.

We're honest about what registration data can and can't prove. WhoIsAge shows the facts, labels missing fields as "not disclosed", and never invents a date.

  • Shows the real creation date from the current registration record.
  • Doesn't claim when a site launched, changed owners, or last expired.
  • DNS-only results are clearly labelled, never passed off as authoritative age.
Research signal, not a verdict

Registration age is one useful input for SEO audits and due diligence — combine it with content quality, backlink history and archive records. WhoIsAge gives you the accurate registration facts to start from.

Use cases

Built for people who research domains.

SEO audits

Add registration context to technical audits and compare established vs. new sites.

Competitor research

See how long a competitor's domain has been registered while you browse their site.

Domain investing

Quick due diligence before buying a domain — age, expiry, registrar and status at a glance.

Backlink prospecting

Vet prospect domains fast and skip freshly registered, low-trust sites.

Client reporting

Copy a clean WHOIS summary straight into research notes and client deliverables.

Website verification

A fast first check on unfamiliar shops and sites before you trust or buy.

Pricing

Free to install. Free to use.

RDAP-first lookups are unlimited and never need credentials. Live WHOIS has a fair daily allowance to keep the shared service fast for everyone.

WhoIsAge for Chrome
$0/ forever
  • Unlimited RDAP domain-age lookups
  • Full WHOIS report: dates, registrar, nameservers
  • Google SERP age panel
  • Generous daily live-WHOIS allowance for ccTLDs
  • No account, no API key, privacy-respecting
Add to Chrome

Power users can self-host the companion Worker for full ccTLD age data.

FAQ

Questions, answered.

Yes. Installing and using WhoIsAge is free. RDAP-based domain-age lookups are unlimited, and live WHOIS lookups (for registries without public RDAP) have a fair daily allowance.

No. There's no sign-up and no API key to manage. The extension works the moment you install it.

Domain age is calculated from the creation date in the current registration record. It doesn't necessarily reflect when the website launched, when the current owner took over, or whether the domain previously expired. For history, combine it with web archives and historical DNS.

WhoIsAge works across 1,500+ TLDs, from major generic extensions like .com, .net, .io and .ai to country-code domains like .de, .fr, .nl and .co.uk. It checks public RDAP first, then a secure WHOIS fallback for registries without RDAP, then DNS to confirm registration when a creation date isn't published.

WhoIsAge processes the active hostname when you open the popup and visible organic-result hostnames for the optional SERP panel. It does not store browsing history, build a browsing profile, sell data, or embed paid API keys in the published extension. See the privacy policy.

Yes. On supported Google Search pages a dismissible side panel lists the organic result domains. Domains with public RDAP load their age automatically; registries without RDAP show a "Show age" button that uses one live check only when you click it.

RDAP first (free and authoritative), then a secure WHOIS fallback for ccTLDs, then DNS-over-HTTPS to confirm registration. Each result clearly labels its data source and freshness.

Check your first domain in seconds.

Install WhoIsAge, pin it to your toolbar, and get the registration story behind any website.

Add to Chrome - Free

No account · RDAP-first · Privacy-respecting