.org Domain Age Checker
.org is operated by the Public Interest Registry and was originally intended for non-commercial and nonprofit organizations, though it's been open to general registration since its inception. RDAP and WHOIS data availability is consistent with other legacy gTLDs — reliable creation and expiry dates, with registrant details commonly redacted for privacy.
Because .org still carries an informal association with nonprofits, advocacy groups, and open-source projects, an unusually young .org domain making institutional-sounding claims is worth a second look — checking the actual registration date here against the organization's claimed founding date is a quick sanity check.
For backlink audits specifically, aged .org domains from established nonprofits and universities are often high-authority link sources — verifying the domain's real age and consistent Wayback history helps confirm you're looking at the legitimate organization and not a lookalike registered more recently.
Related reading: How to Check a Domain's Creation Date (RDAP, WHOIS, and Wayback Machine)