Domain Age Checker

The Domain Age Checker is a free tool that queries a domain's public RDAP registration record and reports exactly how old it is — its original registration date, the current expiration date, the registrar it's registered with, and its active nameservers. Instead of relying on outdated WHOIS lookups or third-party estimates, you get the same authoritative registry data that determines when a domain first came into existence and when it's due to be renewed.

It exists because a domain's registration history matters in a lot of practical situations: judging whether a domain you're considering buying is a genuine long-standing asset or a recently flipped one, confirming your own domain's renewal date so it never lapses by accident, or simply researching how long a competitor has been operating under their current name. It works on any public domain, which makes it just as useful for due diligence as it is for managing your own portfolio.

When you submit a domain, the tool queries RDAP — the modern, standardized replacement for WHOIS — directly against that domain's registry, the same source registrars themselves rely on. The record returned includes the original registration date, most recent update date, current expiration date, registrar of record, and active nameservers, all of which are extracted and formatted into a readable report, with the domain's exact age calculated from the registration date to today.

This reflects the live registry record at the moment you run the check. Not every registry has adopted RDAP yet, and some country-code TLDs limit or withhold public registration data by policy, particularly for privacy reasons in certain jurisdictions — when that happens, specific fields may come back empty rather than incorrect, since the registry itself doesn't expose that data publicly.

• Treat older domains as a trust signal, not a guarantee. A longer registration history is a common trust signal for visitors, partners, and spam filters, but it doesn't override what's actually on the site today.
• Watch the expiration date closely, especially near renewal. A domain that lapses can be picked up by someone else within days, taking your traffic, backlinks, and brand identity with it almost overnight.
• Expect extra scrutiny on very new domains. Some security tools and spam filters treat freshly registered domains with more suspicion until they build up a track record of legitimate activity.
• Check age history before buying an aged domain. Old registration alone doesn't tell you about a spam penalty or expired-domain abuse from a previous owner — dig into content history too before relying on it.