Free network diagnostic tools for DNS, IP, email and SSL checks
Know what's running on your Mac
Stage
Not given
Not given
Founded
Not given
Not given
Based in
IN
DE
Pricing model
Freemium
Paid
Pricing
Free plan: All 41 tools with unlimited checks, 3 saved domains with daily monitoring, 7 days of history. Pro plan: $29/month for 50 domains, scans every 6 hours, email, Slack, Telegram and webhook alerts, 12 months of history and API access.
$14.99 one-time license for up to 2 Macs, includes 7-day free trial
Key features
DNS Lookup - resolve A, AAAA, MX, TXT, NS, CNAME records
Blacklist Checker - query 7 major DNS blocklists
SSL/TLS Certificate Checker - verify certificate chain, expiry and protocol support
Email Deliverability - check SPF, DKIM and DMARC records
WHOIS Lookup - query domain registration details
Reverse DNS (PTR) - check IP to hostname resolution
Port Checker - test common HTTP/HTTPS ports
BIMI Lookup - query BIMI TXT records
Domain monitoring with automated scans
Multi-channel alerts via email, Slack, Telegram and webhooks
Port-first detection grouped by project
Docker containers grouped by project
Open in browser with one click
Restart or kill servers without Terminal
Live CPU and memory monitoring
Menu bar and Notification Center integration
Global keyboard shortcuts
Port collision highlighting
No telemetry or tracking
What makes it different
41 tools all available free with unlimited checks
Clear sourcing - every result shows its source and what was not tested
Live DNS queries from edge servers via DNS-over-HTTPS
Domain monitoring and alerts with affordable Pro plan at $29/month
Native Swift macOS app, not Electron
Shows all dev servers including Docker and local AI in one list
The Network Tools
Rungeist