Complete suite of tools for webmasters and server administrators. Check availability, DNS, SSL, WHOIS and more in seconds.
Secure and Private
Your queries are confidential and we don't store sensitive data.
Ultra Fast
Results in milliseconds with our global infrastructure.
Total Accuracy
Accurate and up-to-date data in real time.
Enter a domain or IP to run all utilities at once
Check if a website is online and accessible.
Query domain registration information.
Analyze SSL certificates and their validity.
Discover subdomains associated with the domain.
Examine DNS records for the domain.
Measure DNS response times.
Geographically locate an IP on the 3D globe.
Powerful tools built for professionals