Monitor databases & custom services
Make sure databases and backend services running on various ports are always accepting connections. We support any TCP port globally.
Ensure smooth email delivery
Set up POP3 (110, 993), IMAP (143, 993) and SMTP (25, 587, 465) monitoring to know immediately about issues with crucial email pathways.
Watch your DNS servers
With a port monitor watching your DNS port (53), you'll always know whether essential domain name resolutions are functioning correctly.
Advanced features for advanced users.
Recurring notificationsIncluded
Set threshold and recurrence parameters so you don't miss any serious service outage.
Maintenance windowsIncluded
Set up maintenance windows to pause the monitoring during known server downtime.
Incident managementIncluded
Get a single overview of all incidents. Filter by status, tag teammates, and collaborate.
Response time monitoringIncluded
See TCP connection timings in a chart and get alerts when handshakes are slower than usual.
Multi-location checksIncluded
Create monitors with specific regional checks to catch firewall rules blocking remote locations.
SMS and voice call notificationsIncluded
No internet? We can call or text you immediately when critical infrastructure drops.
Reviews
What users love about our port monitoring.
"Prevent lengthy server downtime and get notified promptly... I've been using it for about a month. Extremely reliable for our databases."
Omid S.
Small Business Owner
"Excellent service, and even better interface. I have been using this for monitoring services hosted in AWS, specifically for low-level port checks."
Verified User
Infrastructure Engineer
"Excellent piece of software. It's easy, fast and comprehensive. I just need to specify the IP and port, and that's it!"
Carlos V.
IT Administrator
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