Infrastructure

Countries, regions, availability zones, pools, and data center addresses

Where Selectel infrastructure is located and how to increase its fault tolerance

Availability Matrix

Selectel Product Availability Matrix

DNS

General information about DNS, list of recursive DNS servers by Selectel

NTP

General information about NTP, list of Selectel NTP servers

Blocked ports and internet resources

Information about blocked TCP and UDP ports, as well as internet resources

Get IP address information for the whitelist

What is a whitelist, how to get information about the IP address of your service or website