4 new tools with full backend + popup UIs:
DNS Lookup:
- dig/nslookup/host fallback chain on remote host
- Record type selector (A, AAAA, MX, NS, TXT, CNAME, SOA, SRV, PTR)
Whois:
- Remote whois query, first 80 lines
- Works for domains and IP addresses
Bandwidth Test (2 modes):
- iperf3: LAN speed test between remote host and iperf server
- Internet: speedtest-cli / curl-based Cloudflare test fallback
Subnet Calculator:
- Pure Rust, no SSH needed
- CIDR input with quick-select buttons (/8 through /32)
- Displays: network, broadcast, netmask, wildcard, host range,
total/usable hosts, class, private/public
Tools menu now has 11 items across 3 sections.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
