Viber messenger

### Prerequisites

- [x] This site DOES NOT contains sexually explicit material;
- [x] The problem occurs only when using AdGuard DNS or DNS filtering with AdGuard DNS filter, it is not caused by other ad blockers;
- [x] You're using an up-to-date version of AdGuard DNS filter;
- [x] Browser version is up-to-date;
- [x] If a website or an app is broken, disabling AdGuard DNS filter resolves the issue.

### What DNS server do you use?

AdGuard public DNS

### Version

not applicable - public DNS

### What DNS upstream(s) do you use in AdGuard apps or AdGuard Home?

https://dns.adguard-dns.com/dns-query - default server DoH

### What DNS filters do you have enabled?

not applicable - public server

### What browser or app do you use?

Other app

### Which device type do you use?

Desktop

### What type of problem have you encountered?

Website or app doesn't work properly

### Where did you encounter the problem?

Viber

### Add your comment and screenshots

When I am using the public DoH server, the Viber messenger app on my mac says "No internet connection". The moment I turn off AdGuard DNS, it starts working and the message disappears.

### Privacy

- [x] I agree to follow this condition