All pure stdlib, zero external dependencies:
- dns: raw UDP resolver with A/AAAA/MX/NS/TXT/CNAME/PTR/SOA
- encode: base64, hex, URL, ROT13 encode/decode
- hash: md5/sha1/sha256/sha512 generation + type identification
- defang: IOC defanging/refanging for safe sharing
- revshell: reverse shell one-liners for 11 languages
- cidr: subnet calculator with IP membership check
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
