domain-age-checker.underscoredone.com
answeringSend a list of domain names and this tool tells you exactly how old each one is, when it was first registered, when it expires, and how much time is left before expiration. Great for spotting brand-new suspicious domains, researching competitors, or evaluating domains before buying or linking to them. Works with over 100 domain extensions worldwide.
- Endpoint
- https://domain-age-checker.underscoredone.com/lookup
- Price
- $0.01 / call
- Settles via
- cdp
- Category
- —
- Last seen live
- Wed, 09 Sep 2026 05:29:15 UTC
- Last probed
- Wed, 09 Sep 2026 05:29:15 UTC
- First indexed
- Tue, 08 Sep 2026 05:22:22 UTC
- Sources
- cdp-x402
Probe history
Last 2 probes, newest on the right. 100% answered with a payment challenge.
| When | Result | Method | Status | Latency |
|---|---|---|---|---|
| Wed, 09 Sep 2026 05:29:14 UTC | challenge | http-402 | 402 | 56 ms |
| Tue, 08 Sep 2026 05:22:59 UTC | challenge | http-402 | 402 | 1463 ms |
JSON: /api/v1/services/domain-age-checker.underscoredone.com. Own this service? Update the listing.