Domain availability monitoring is the automated, continuous checking of whether a specific domain is registered or free. Instead of manually re-checking, you add a target domain and Domainyze watches its registry status around the clock, alerting you the moment it becomes available to register — useful for catching expiring or dropped domains at standard registrar prices.
The lifecycle of a dropping domain
Millions of domain names are registered and not all of them are renewed. When a domain is not renewed it goes through a lifecycle:
- Grace: the domain is past its expiry date but can still be renewed at the standard price.
- Redemption: the owner can still recover it, but at a high redemption fee.
- Pending delete: the final window, typically 5 days on a gTLD. The domain cannot be renewed by anyone.
- Available: the registry drops the domain and it is first-come, first-served.
Timings vary by extension, and some registries skip phases entirely. The complete lifecycle guide covers the whole journey.
How we detect availability
Detection runs against live registry data, not a cached list.
- RDAP first, WHOIS as a fallback. Every check queries the registry's RDAP service, falling back to WHOIS where RDAP is unavailable or known to be unreliable for that extension.
- Status analysis, not string matching. We normalise the many registry-specific status strings into one internal vocabulary, and pay particular attention to
redemptionPeriodandpendingDelete. - The cadence tightens as the drop approaches. Checks run more often once a name is close to dropping, and paid plans tighten furthest. See How fast are availability checks?
- An ambiguous answer is never reported as available. A timeout, a rate-limited registry or a response we cannot parse is recorded as a failed check, not as an availability. This matters more than it sounds: being told to go and register a name you cannot actually get costs you a wasted attempt at the exact moment speed matters. See Why a domain may show false availability.
- Immediate alerts. The moment a watched name is confirmed unregistered, the alert goes out by email, webhook, Slack or Discord.
Strategic use case: the defensive brand perimeter
Availability monitoring is not just for investors; it is a brand-protection tool.
- Monitor typos. Add common misspellings of your brand to your watchlist. If a typo-squatter lets one drop, you can secure it.
- Track alternative extensions. Watch your brand name across extensions you do not yet own, such as
.io,.appor.net. - Competitor intelligence. If a competitor fails to renew a project domain, you will know.
Who it is for
- Domain investors building a portfolio of expired names.
- Marketing teams waiting on the right domain for a launch.
- Security teams preventing phishing by acquiring deceptive variations of their own domain.
Getting started
Add a domain as a Watchlist entry and choose the stages you want to hear about. How to watch domains you want to buy walks through it.