MasterDC DNS Resolvers

Last Update 10/11/2021


Customers on the MasterDC network can use our DNS resolvers on all servers in our data centres.

IPv4 IPv6 Location
81.31.33.19 2A01:430:0:5::5 Brno
80.79.16.5 2A01:430:0:30::3 Prague

These DNS servers can be used from the following IP ranges:

For IPv4

  • 81.31.32.0/20
  • 80.79.16.0/20
  • 89.185.224.0/19
  • 77.93.192.0/19
  • 83.167.224.0/19
  • 178.238.32.0/20
  • 149.62.144.0/21
  • 85.118.128.0/21
  • 194.145.180.0/22
  • 82.209.3.134
  • 91.214.192.0/22
  • 193.105.157.0/24
  • 193.105.158.0/23
  • 91.216.168.0/24
  • 91.216.179.0/24
  • 91.213.160.0/24
  • 176.227.168.0/23
  • 37.205.8.0/22
  • 195.43.76.0/23
  • 185.58.40.0/22
  • 185.85.164.0/22
  • 185.189.32.0/22

For IPv6

  • 2a01:430::/32
  • 2001:67c:68::/48
  • 2a03:7460::/32

Any suggestions for improving the tutorial?

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