Overview
Introduction
A domain that lapses because a renewal reminder got buried in an inbox can take down a business's website and email in one stroke.
This tool asks the domain's registry directly, over RDAP, for its exact expiration date and tells you how many days you actually have left.
What Is Domain Expiry Checker?
A domain lookup tool that reports a domain's registration expiration date and classifies how urgently it needs renewal.
It's part of this site's DNS & Domain Tools collection and queries a live RDAP server rather than a cached database.
How Domain Expiry Checker Works
The domain is sent to rdap.org, which redirects to the correct registry's RDAP server for that TLD, and the response's 'expiration' event is read for the date.
That date is compared against right now to compute days remaining (or days overdue, if it's already passed), and classified as expired, urgent (≤30 days), soon (≤90 days), or fine.
When To Use Domain Expiry Checker
Use it before a domain matters for a launch, campaign, or renewal budget cycle, to confirm exactly how much runway is left.
It's also useful for auditing a domain you didn't personally register, like one inherited from a previous employee or agency.
Often used alongside Domain Age Checker and Bulk WHOIS Lookup.
Features
Advantages
- Pulls the expiration date straight from the authoritative registry, not a third-party cache.
- Classifies urgency automatically instead of making you do date math.
Limitations
- A minority of legacy ccTLD registries don't run RDAP servers, so those domains will show as not found here.
- An expired result doesn't mean the domain is immediately available; grace and redemption periods usually add another 30-45 days.
Examples
Best Practices & Notes
Best Practices
- Set your own calendar reminder well before the date this tool reports; don't rely solely on registrar renewal emails, which can land in spam.
- Enable auto-renewal and keep the registrar account's payment method current as the actual safeguard; this tool is for checking, not for renewing.
Developer Notes
Urgency thresholds (30/90 days) mirror when most registrars start sending renewal notices, but they're a UI convenience only; the raw daysRemaining value is what actually drives the date shown.
Domain Expiry Checker Use Cases
- Confirming a business-critical domain has enough runway before a launch or campaign
- Auditing domains inherited from a previous owner, agency, or employee
- Building a renewal calendar for a portfolio of domains without checking each registrar dashboard
Common Mistakes
- Assuming an 'expired' result means the domain is already gone; grace and redemption periods usually apply first.
- Relying on this tool as a renewal mechanism; it only reports the date, it can't renew anything for you.
Tips
- Run the Bulk WHOIS Lookup tool instead if you need expiry dates for more than one domain at a time.