network-diag

# network-diag Run network diagnostics including ping, DNS resolution, port checks, and traceroute. ## Usage ```bash # Quick connectivity check python3 scripts/netdiag.py check google.com # Check if a port is open python3 scripts/netdiag.py port example.com 443 # DNS resolution python3 scripts/netdiag.py dns example.com # Full diagnostic report python3 scripts/netdiag.py full example.com ``` ## Commands - `check <host>` — Ping-style connectivity check - `port <host> <port>` — Check if a TCP port is open - `dns <host>` — Resolve DNS for a hostname - `full <host>` — Run all diagnostics on a host