SSL Certificate encryption settings Certificate chain failed verification

### Prerequisites

- [X] I have checked the [Wiki](https://github.com/AdguardTeam/AdGuardHome/wiki) and [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions/categories/q-a) and found no answer

- [X] I have searched other issues and found no duplicates

- [X] I want to report a bug and not [ask a question or ask for help](https://github.com/AdguardTeam/AdGuardHome/discussions/categories/q-a)

- [X] I have set up AdGuard Home correctly and [configured clients to use it](https://github.com/AdguardTeam/AdGuardHome/wiki/Clients). (Use the [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions/categories/q-a) for help with installing and configuring clients.)

### Platform (OS and CPU architecture)

Custom (please mention in the description)

### Installation

Custom package (OpenWrt, HomeAssistant, etc; please mention in the description)

### Setup

On a router, DHCP is handled by AdGuard Home

### AdGuard Home version

v0.107.29

### Action

[```sh
nslookup -debug -type=a 'www.example.com' '$YOUR_AGH_ADDRESS'
```
](https://192.168.1.1:444/#encryption)

### Expected result

So that the ssl certificate works without errors

### Actual result

The certificate chain has not been verified, it is displayed in red

### Additional information and/or screenshots

Keenetic Giga (KN-1011) + hdd install adguard home