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CIDR subnet math: network address, broadcast, usable host range, subnet mask, wildcard mask, and bit-level visualizer. All local — zero data transmitted.

Full DNS analysis with email security scoring — A, AAAA, MX, NS records plus SPF policy parsing, DMARC enforcement check, DKIM selector detection, and propagation comparison.

Grade any domain's SSL certificate — validity, cipher suite, TLS version support matrix (1.0/1.1/1.2/1.3), SAN list, and expiry countdown. Direct connection, no data stored.

Analyze any public IP for abuse reports, geolocation, ASN, ISP classification, TOR/VPN detection, and risk level. Powered by AbuseIPDB and IPinfo.

Check any URL for phishing, malware, and threat classification across 70+ security engines. Powered by VirusTotal and Google Safe Browsing — lookup only, URL never fetched.

Instantly retrieve geolocation, ASN, and reputation data for any IPv4 or IPv6 address.

Scan A, MX, TXT, and CNAME records to verify domain configurations and email security.

Generate secure MD5, SHA-256, and SHA-512 cryptographic hashes for file strings instantly.

Extract client-side network details including your local IPv4 address and WebRTC leaks.