Mail server monitoring

  • Reverse DNS resolution/uptime monitoring - provides alerts when RDNS unresolved
  • Monitoring reverse DNS record against accidentally or malicious changes - provides alerts when RDNS changed
  • Host name or domain name resolution monitoring
  • TCP port (25, 465, 587, 443, 80) uptime monitoring
  • Monitoring from multiple locations

List of locations we monitor TCP port from:

American Region

  • Dallas, Texas, USA - 172.107.84.147 / 2604:6600:2003:8b::a
  • Los Angeles, California, USA - 168.235.98.58 / 2604:180:3:81a:1:1:1:3
  • New York City, New York, USA - 107.191.96.156 / 2604:180:2:33e:1:1:1:15

European Region

  • Frankfurt, Germany - 172.105.95.254 / 2a01:7e01:e001:1b3:1:1:1:7
  • Amsterdam, Netherlands - 185.45.113.72 / 2a02:e00:fff0:161::a
  • London, UK - 185.177.148.100 / 2a02:e00:ffe9:62::a

Asia-Pacific Region

  • Sydney, Australia - 27.100.36.94 / 2402:9e80:1::1:faea
  • Singapore - 139.99.46.19 / 2402:1f00:8000:800:0:0:0:110d
  • Tokyo, Japan - 139.162.106.244 / 2400:8902::f03c:91ff:fe1c:5e01

Worldwide

  • Los Angeles, California, USA - 168.235.98.58 / 2604:180:3:81a:1:1:1:3
  • New York City, New York, USA - 107.191.96.156 / 2604:180:2:33e:1:1:1:15
  • Frankfurt, Germany - 172.105.95.254 / 2a01:7e01:e001:1b3:1:1:1:7
  • Singapore - 139.99.46.19 / 2402:1f00:8000:800:0:0:0:110d

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

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