Inspect your public IP address, ISP provider, country, region, city, and timezone.
Calculate network IP range, netmask, broadcast address, and total usable hosts.
Query A, AAAA, MX, CNAME, TXT, and NS DNS records for any domain via Cloudflare DoH.
Inspect HTTP response headers and audit security policies (CSP, HSTS, X-Frame-Options, Referrer-Policy).
Network diagnostic tools enable webmasters, system administrators, and developers to troubleshoot domain DNS configurations, inspect client IP addresses, evaluate HTTP response headers, and verify server reachability.
Discover your current public IPv4 address, Internet Service Provider (ISP), geographic location, region, city, and local timezone.
Perform secure DNS record queries (A, AAAA, MX, CNAME, TXT, NS) for any domain name utilizing encrypted DNS-over-HTTPS Cloudflare resolvers.
Inspect response headers (Cache-Control, Content-Type, CORS security policies, Server version) returned by web endpoints.
DNS queries are resolved via secure Cloudflare DNS-over-HTTPS JSON API endpoints, returning live global DNS records without caching delays.
No. IP lookups are performed dynamically against public geolocation APIs and are displayed in your browser without server logging.