DNS Lookup
Resolve a hostname to IP addresses. Shows A (IPv4) and AAAA (IPv6) records, canonical names, and reachability.
Resolving DNS...
DNS Records
Port Scanner
Scan common or custom ports on a host. Specify ports as comma-separated values or ranges (e.g. 22,80,443 or 1-1000).
Scanning ports...
Port Scan Results
WHOIS Lookup
Look up domain registration information including registrar, creation/expiry dates, name servers, and registrant details.
Querying WHOIS server...
WHOIS Data
HTTP Header Checker
Retrieve HTTP response headers, status codes, and server information from any URL. Useful for debugging and security analysis.
Fetching headers...
HTTP Response
SSL Certificate Checker
Examine SSL/TLS certificate details for any hostname. Shows certificate chain, subject, issuer, validity, and fingerprints.
Connecting via SSL...
SSL Certificate Chain