Email server IP address monitoring

  • Reverse DNS resolution/uptime monitoring - provides alerts when rdns unresolved
  • Reverse DNS monitoring - monitor PTR record against accidentally or malicious changes
  • Host name or domain name resolution monitoring
  • TCP port (443, 80, 25, 465, 587) uptime monitoring
  • Email alerts on monitored state change
  • Monitoring simultaneously from multiple locations

List of locations TCP port monitored from:

American Region

  • Dallas, Texas, USA - 45.58.52.158 (TX)
  • Los Angeles, California, USA - 168.235.98.58 (CA)
  • New York, New York, USA - 168.235.80.126 (NY)
  • Miami, Florida, USA - 45.63.111.221 (FL)

European Region

  • London, England - 185.133.192.53 (GB)
  • Madrid, Spain - 185.47.129.202 (ES)
  • Amsterdam, Netherlands - 185.52.2.119 (NL)
  • Frankfurt, Germany - 165.227.130.116 (DE)

Asia-Pacific Region

  • Singapore - 45.76.180.190 (SG)
  • Sidney, Australia - 45.63.30.236 (AU)
  • Los Angeles, California, USA - 168.235.98.58 (CA)

Worldwide

  • Los Angeles, California, USA - 168.235.98.58 (CA)
  • Miami, Florida, USA - 45.63.111.221 (FL)
  • Singapore - 45.76.180.190 (SG)
  • Frankfurt, Germany - 165.227.130.116 (DE)

You can chose region to monitor from and number of failures before sending an alert.