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Upstream DNS servers do not support Chinese domain names #2620

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opened 2026-03-04 02:09:32 -05:00 by deekerman · 7 comments

deekerman commented

2026-03-04 02:09:32 -05:00

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Originally created by @banbendalao on GitHub (Apr 3, 2021).

Originally assigned to: @ainar-g on GitHub.

Have a question or an idea? Please search it on our forum to make sure it was not yet asked. If you cannot find what you had in mind, please submit it here.

Prerequisites

Please answer the following questions for yourself before submitting an issue. YOU MAY DELETE THE PREREQUISITES SECTION.

I am running the latest version
I checked the documentation and found no answer
I checked to make sure that this issue has not already been filed

Issue Details

Version of AdGuard Home server:
v0.106.0-a.95+2a435601
How did you install AdGuard Home:
Github releases
How did you setup DNS configuration:
System
If it's a router or IoT, please write device model:
CPU architecture:
AMD64
Operating system and version:
Debian10

Expected Behavior

Support Chinese domain names

Actual Behavior

Fill in Upstream DNS servers
[/恒天.com/]223.5.5.5
Will not be able to start AdGuardHome

Originally created by @banbendalao on GitHub (Apr 3, 2021). Originally assigned to: @ainar-g on GitHub. Have a question or an idea? Please search it [on our forum](https://github.com/AdguardTeam/AdGuardHome/discussions) to make sure it was not yet asked. If you cannot find what you had in mind, please [submit it here](https://github.com/AdguardTeam/AdGuardHome/discussions/new). ### Prerequisites Please answer the following questions for yourself before submitting an issue. **YOU MAY DELETE THE PREREQUISITES SECTION.** - [x] I am running the latest version - [x] I checked the documentation and found no answer - [x] I checked to make sure that this issue has not already been filed ### Issue Details  * **Version of AdGuard Home server:** `v0.106.0-a.95+2a435601` * **How did you install AdGuard Home:** `Github releases` * **How did you setup DNS configuration:** `System` * **If it's a router or IoT, please write device model:** *  * **CPU architecture:** `AMD64` * **Operating system and version:** `Debian10` ### Expected Behavior Support Chinese domain names ### Actual Behavior Fill in Upstream DNS servers `[/恒天.com/]223.5.5.5` Will not be able to start AdGuardHome

deekerman added the

bug

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2026-03-04 02:09:32 -05:00

deekerman commented

2026-03-04 02:09:35 -05:00

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@ainar-g commented on GitHub (Apr 5, 2021):

This is a bug, thanks for reporting! In the meantime, please try using the punycode version:

[/xn--rss99n.com/]223.5.5.5

@ainar-g commented on GitHub (Apr 5, 2021): This is a bug, thanks for reporting! In the meantime, please try using the punycode version: ``` [/xn--rss99n.com/]223.5.5.5 ```

deekerman commented

2026-03-04 02:09:36 -05:00

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@Aikatsui commented on GitHub (Apr 26, 2021):

Currently UI (including query log) display only punnycode for language specific domain names and extensions, it makes uncomfortable due necessary to use converter for recognize them and as russian characters more familiar to you than english then i believe each script especially beneficial for particular users.
But users may fail to recognize eg: latin script uses languages (between english and spanish) domain names properly then it's better to add "punnycode" field to "request details" component.

@Aikatsui commented on GitHub (Apr 26, 2021): @ainar-g related issue, https://en.wikipedia.org/wiki/List_of_Internet_top-level_domains#Internationalized_country_code_top-level_domains https://en.wikipedia.org/wiki/List_of_Internet_top-level_domains#Internationalized_generic_top-level_domains Currently UI (including query log) display only punnycode for language specific domain names and extensions, it makes uncomfortable due necessary to use converter for recognize them and as russian characters more familiar to you than english then i believe each script especially beneficial for particular users. But users may fail to recognize eg: latin script uses languages (between english and spanish) domain names properly then it's better to add "punnycode" field to "request details" component. ![image](https://user-images.githubusercontent.com/63988538/116171322-bb72d300-a732-11eb-8081-a7af8eae094d.png)

deekerman commented

2026-03-04 02:09:36 -05:00

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@ainar-g commented on GitHub (Apr 27, 2021):

@Aikatsui, thanks for the requests. I've filed #3012 for the backend part about the search and also #3013 for the frontend part about showing decoded domain names.

@ainar-g commented on GitHub (Apr 27, 2021): @Aikatsui, thanks for the requests. I've filed #3012 for the backend part about the search and also #3013 for the frontend part about showing decoded domain names.

deekerman commented

2026-03-04 02:09:36 -05:00

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@fernvenue commented on GitHub (Aug 3, 2021):

@Aikatsui, thanks for the requests. I've filed #3012 for the backend part about the search and also #3013 for the frontend part about showing decoded domain names.

Actually this issue still exists in upstream_dns_file, please check it again, thank you so much.

@fernvenue commented on GitHub (Aug 3, 2021): > > > @Aikatsui, thanks for the requests. I've filed #3012 for the backend part about the search and also #3013 for the frontend part about showing decoded domain names. Actually this issue still exists in `upstream_dns_file`, please check it again, thank you so much.

deekerman commented

2026-03-04 02:09:36 -05:00

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@ainar-g commented on GitHub (Aug 3, 2021):

@fernvenue, this issue isn't closed yet, so we know it still exists. Unfortunately, the issue spans multiple packages, so we won't be able to fix it as quickly as we would like.

@ainar-g commented on GitHub (Aug 3, 2021): @fernvenue, this issue isn't closed yet, so we know it still exists. Unfortunately, the issue spans multiple packages, so we won't be able to fix it as quickly as we would like.

deekerman commented

2026-03-04 02:09:36 -05:00

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@fernvenue commented on GitHub (Aug 3, 2021):

@fernvenue, this issue isn't closed yet, so we know it still exists. Unfortunately, the issue spans multiple packages, so we won't be able to fix it as quickly as we would like.

Thank you for letting me know, I'll wait patiently and keep paying attention. Perhaps it's a good idea to comment this in the configuration at the moment? Because #3013 the frontend part of the display decoding domain is normal, this may make people mistakenly think that it works normally in upstream_dns_file.

@fernvenue commented on GitHub (Aug 3, 2021): > > > @fernvenue, this issue isn't closed yet, so we know it still exists. Unfortunately, the issue spans multiple packages, so we won't be able to fix it as quickly as we would like. Thank you for letting me know, I'll wait patiently and keep paying attention. Perhaps it's a good idea to comment this in the [configuration](https://github.com/AdguardTeam/AdGuardHome/wiki/Configuration#loading-upstreams-from-file) at the moment? Because #3013 the frontend part of the display decoding domain is normal, this may make people mistakenly think that it works normally in `upstream_dns_file`.

deekerman commented

2026-03-04 02:09:36 -05:00

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@ainar-g commented on GitHub (Aug 10, 2021):

@fernvenue, thanks for the suggestion and sorry about the late response. We've mentioned the bug on the wiki page about configuration: https://github.com/AdguardTeam/AdGuardHome/wiki/Configuration#upstreams-from-file.

@ainar-g commented on GitHub (Aug 10, 2021): @fernvenue, thanks for the suggestion and sorry about the late response. We've mentioned the bug on the wiki page about configuration: https://github.com/AdguardTeam/AdGuardHome/wiki/Configuration#upstreams-from-file.

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starred/AdGuardHome#2620

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