Engineering Toolkit

Practical networking, security, and infrastructure utilities built for real-world troubleshooting workflows.

Subnet Calculator

Calculate IPv4 and IPv6 subnet details, CIDR ranges, masks, host counts, and network boundaries.
Networking
Open Tool

DNS Lookup Tool

Resolve DNS records, inspect domain configuration, and review SPF/DMARC email security signals.
DNS / Security
Open Tool

Random Password Generator

Generate secure passwords with customizable length, symbols, numbers, and entropy-based strength analysis.
Security
Open Tool

IP Analyzer

Inspect IPv4 and IPv6 addresses, identify address types, binary representation, and public/private classification.
Networking
Open Tool

Built With

Next.jsTypeScriptDNS-over-HTTPSSecure browser crypto APIsCustom networking utilities