Link-Age Estimator
Estimate the first-seen time of a domain or URL using open intelligence signals.
Domain or URL:
Signals
WHOIS / RDAP
Certificate Transparency
Wayback Machine
CommonCrawl
Google Safe Browsing
Passive DNS (public only)
Optional: Enhance with your own API keys
Cert Spotter API Key
Cloudflare Account Id
Cloudflare API Key
Shodan API Key
urlscan.io API Key
Censys API ID
Censys API Secret
Estimate