ERR_NAME_NOT_RESOLVED in one region

Website, Application, Performance DNS & Network
1

Hello! Website is working for several years with no issues, but now I’ve got a comply from a user living in Kaliningrad, Russia. She’s got ERR_NAME_NOT_RESOLVED, although she can access the website using anonymizers. What could cause such an issue?

2

It could be blocked by their local DNS resolver. Have they tried using a different DNS, like 1.1.1.1 or 9.9.9.9?

3

Hello, please tell her to try the following

  1. Clear Web Browser Cookies.
  2. Change DNS Settings.
  3. Renew DNS.
  4. Check your Firewall and Security Software.
  5. Reset or Unplug her router.
4

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