Network Tools
Everything else on the site works without a server; these cannot, because the question itself is about the network. So the server checks the name, every address behind it, and each redirect anew.
- What Is My IP Address Your public IP address is what every website you visit sees. Here it is, along with everything…
- Internet Speed Test Press the button and the page measures three things: how fast data comes in, how fast it goes o…
- WHOIS Lookup Enter a domain and see what the registry knows about it: who registered it, when it expires, wh…
- DNS Lookup Enter a domain and see every record type in one answer — where the site points, who handles the…
- User Agent Parser Your own User-Agent is already in the box. Paste someone else's from a log and see what it real…
- Ping Test Enter a domain name and find out whether it answers at all — and how quickly. The check runs fr…
- Port Checker Enter a domain and a port number and find out whether anything answers there from outside your…
- SSL Certificate Checker Enter a domain and see the certificate the way a browser sees it: the expiry date, the issuer,…
- HTTP Header Checker Enter an address and see exactly what the server answers: the status code, every header, and ea…