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### Steps to reproduce
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### Expected behavior
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### Actual behavior
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<details><summary>Screenshot:</summary>

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### Your environment
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|   Description  |     Value    |
| -------------- | ------------ |
| Version of AdGuard Home server:| (e.g. v1.0)
| How did you setup DNS configuration:| (System/Router/IoT)
| If it's a router or IoT, please write device model:| (e.g. Raspberry Pi 3 Model B)
| Operating system and version:| (e.g. Ubuntu 18.04.1)