NerdTools Fast, free online tools for sysadmins, developers, and nerds.

Domain Scan URL Shortener About

Scan any domain or IP in seconds.

Run WHOIS, DNS, SSL, security headers, blacklist checks, and more from a single interface. No registration required.

Hide results ? When enabled, this scan will not appear in the most recent searches or the scan leaderboard.

Scan leaderboard

Most searched domains and IPs.

  1. #1 google.com 174 scans
  2. #2 nerdtools.co.uk 85 scans
  3. #3 joehuggans.dev 72 scans
  4. #4 stiftelse-forum.se 72 scans
  5. #5 pedago.se 55 scans

Most recent scans

Latest searches across the toolset.

  1. #1 zeblai.org May 23, 18:21
  2. #2 upflow.co.uk May 23, 18:21
  3. #3 argyll-yachtcharters.co.uk May 23, 18:21
  4. #4 iwu.se May 23, 18:21
  5. #5 trektastic.co.uk May 23, 18:21

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. Short links are available when you need them.