Domain Age Checker

domain-age-checker.underscoredone.com · x402

Send 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.

Name and description as published by x402 Bazaar

Live

Last successful check: 25 Oct 2026, 18:33 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

How addrbook checks →

Connect

https://domain-age-checker.underscoredone.com/lookup

x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.

Who's behind it

Listed by: x402 Bazaarlast seen 25 Oct, 19:50 UTC
Wallets named: 0xe9740820225b3918b4ddd1292c7ca4ca0e2c2f08named by x402 Bazaar
Listed since: 25 Oct 2026, 17:50 UTC

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
domain-age-checker.underscoredone.com	x402	Live	25 Oct, 18:33	25 Oct, 18:33	100%	100%	—

Also listed as

Other entries that share an endpoint with this one.

domain-age-checker.underscoredone.com