Free Network Tools
Diagnose and inspect DNS records, SSL certificates, HTTP headers, and more. No account required.
DNS Lookup
Look up DNS records for any domain. Supports A, AAAA, MX, CNAME, TXT, and NS record types.
WHOIS Lookup
Query WHOIS data for any domain. View registrar, expiry dates, nameservers, and raw WHOIS records.
SSL Checker
Check SSL certificate details including issuer, validity, SANs, fingerprint, and chain status.
HTTP Headers
Inspect HTTP response headers for any URL. View status codes and all header key-value pairs.
Ping
Check if a host is reachable and measure response time. Supports custom port numbers.
IP Lookup
Get geolocation, ISP, ASN, and reverse DNS information for any IP address.
Meta Tags
Analyze meta tags, Open Graph tags, and SEO elements for any URL.
HTTP/2 Check
Verify whether a server supports the HTTP/2 protocol and view the negotiated protocol.
Redirect Checker
Trace the full redirect chain for any URL and see every hop with status codes.
Reverse IP
Find all domains hosted on an IP address. Useful for shared hosting investigation.
Google Cache
Check if a URL is cached by Google and get a direct link to the cached version.
Hosting Detection
Identify the hosting provider, ISP, and organization behind any domain.
Brotli Check
Check if a server supports Brotli or Gzip compression and view the encoding.
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