IPCheck Server Monitor
Reliable network and website monitoring using Paessler's IPCheck Technology, easy installation, support for Windows NT/2000/XP/2003 and a web based user interface. Sensor types include PING, PORT, HTTP, HTTPS, HTTP Advanced, HTTP Transaction, DNS, SMTP, POP3, FTP, SNMP, as well as various native Windows system sensors and native SQL sensors for MS SQL, MySQL and Oracle. Notifications can be triggered by uptime, downtime or slow responses.