Port Check

ICMP health check for hosts, phones, and daemons

Debug DNS resolution and network connectivity. Use when troubleshooting DNS failures, testing port connectivity, diagnosing firewall rules, inspecting HTTP requests with curl verbose mode, configuring /etc/hosts, or debugging proxy and certificate issues.

Monitors self-hosted services by checking HTTP endpoints, TCP ports, SSL expiry, and DNS resolution, then reports status and alerts in concise, chat-friendly...

Scans specified network targets and ports using nmap with options for speed, timeout, host limits, and exclusions, returning detailed JSON results.

Diagnoses common Linux service issues using logs, systemd/PM2, file permissions, Nginx reverse proxy checks, and DNS sanity checks. Use when a server app is failing, unreachable, or misconfigured.

Automatically retries HTTP requests with exponential backoff, timeout control, and connection pooling to handle network errors and rate limits.