WHOIS Lookup Online — Free Domain Information Tool

Look up A, AAAA, CNAME, MX, NS, TXT, and SOA DNS records for any domain. Instant results, completely free, no signup required.

Get detailed IP address information including location, ISP, timezone, and approximate coordinates. Fast, free, and secure IP lookup online.

Test if a website is online and measure its response time. Check server availability from multiple locations — free and instant.

Check if images on a webpage use native lazy loading. Identify which images will defer loading until they enter the viewport.

Find domain ownership details, registrar information, creation and expiration dates, and nameservers. Fast, free WHOIS search for any domain.

Preview how your webpage will look when shared on Facebook, LinkedIn, X (Twitter), and other social platforms. Debug OG and Twitter Card tags.

Check if a webpage is blocked from search engine indexing via meta robots tags, X-Robots-Tag headers, or robots.txt directives.

Verify if a website has HTTP Strict Transport Security (HSTS) properly configured. Ensure visitors always connect securely over HTTPS.

Simulate how your webpage appears in Yandex search results. Perfect for optimizing meta data for Russian and Eastern European audiences.