Scan any domain or IP in seconds.
Run WHOIS, DNS, SSL, security headers, blacklist checks, and more from a single interface. No registration required.
Scan leaderboard
Most searched domains and IPs.
- #1 google.com 151 scans
- #2 nerdtools.co.uk 68 scans
- #3 joehuggans.dev 44 scans
- #4 8.8.8.8 37 scans
- #5 tcpcheck.com 28 scans
Most recent scans
Latest searches across the toolset.
- #1 richarddriscoll.net Mar 4, 02:00
- #2 joehuggans.dev Mar 4, 01:52
- #3 arospower.se Mar 4, 01:33
- #4 classboard.net Mar 4, 01:25
- #5 theage.net Mar 4, 01:22
Why NerdTools?
Everything in one place
Stop juggling browser tabs. Run WHOIS, DNS, SSL, security headers, blacklist checks, and more from a single page.
Built for speed
Results load fast. No sign-up walls, no waiting around. Just enter a domain and go.
Free to use
Core scans are completely free. Create an account to unlock uptime monitoring, screenshot tracking, and saved reports.