“Not valid” Status for Language Domains in WPML

This thread is resolved. Here is a description of the problem and solution.

Problem:
You are configuring WPML to use a different domain per language. The Danish (https://eewto.dk) and Finnish (https://eewto.fi) domains are marked as 'Not valid' in WPML, despite being correctly entered and pointing to the appropriate servers. The Swedish domain (https://wingtsun.se) is working correctly. You've tried various troubleshooting steps including clearing WPML cache and re-checking domain DNS and SSL status.
Solution:
We have encountered similar issues previously, which were caused by the Hostinger Preview Domain plugin. This plugin is intended for temporary domain use during website development. In your case, you should disable or delete this plugin. You can do this by renaming the plugin folder via file manager or removing it entirely. Disabling the Hostinger Preview Domain plugin should resolve the issue with the domains being marked as 'Not valid'.

If this solution does not apply to your situation, or if it seems outdated, we recommend opening a new support ticket. We also advise checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. For further assistance, please visit our support forum at WPML Support Forum.

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Tagged: Exception

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Last updated by linasG 1 month, 3 weeks ago.

Assisted by: Dražen.

Author	Posts
April 8, 2025 at 8:09 am
linasG	Background of the issue: I’m currently configuring WPML to use a different domain per language. The Danish domain (hidden link) and Finnish domain (hidden link) are marked as 'Not valid', even though they are correctly entered and point to the appropriate servers. The Swedish domain (hidden link) is working correctly. I’ve enabled 'Validate on save' for both non-working domains, but it still returns the error. All domains are properly configured in DNS and accessible via browser. SSL certificates are active and working as expected. I’ve tried clearing WPML cache, re-checking domain DNS and SSL status, saving settings with and without validation enabled, and verifying domain accessibility directly in the browser. Symptoms: Domains for Danish and Finnish are marked as 'Not valid' in WPML. Questions: Could you please help identify why these domains are showing as invalid? How can I fix the issue with the domains being marked as 'Not valid'?
April 8, 2025 at 8:44 am
April 8, 2025 at 8:48 am #16907726
Dražen Supporter Languages: English (English ) Timezone: Europe/Zagreb (GMT+02:00)	Hello, This is the ticket, and we can continue here further. I have checked further and I can see next in your wp-config.php: /** Sets up Multidomain for WPML module */ define('WPML_LOAD_MULTIDOMAIN', true); define('WP_HOME', '<em><u>hidden link</u></em>' . $_SERVER['HTTP_HOST']); define('WP_SITEURL', '<em><u>hidden link</u></em>' . $_SERVER['HTTP_HOST']); Can you explain why do you need it? Is it okay if you remove it? Let me know. Regards, Drazen
April 15, 2025 at 7:44 pm #16936006
linasG	Yes, this entry was created based on information we found both from you and other support forums regarding WPML multilingual and multidomain support. This code can be removed, and we’ll be looking forward to your feedback.
April 16, 2025 at 5:52 am #16936719
Dražen Supporter Languages: English (English ) Timezone: Europe/Zagreb (GMT+02:00)	Hello, I am not aware of this code from WPML side. Can you please remove it, and also part about site home / URL if not needed. It should work fine then. Let me know how it goes. Regards, Drazen
April 16, 2025 at 5:09 pm #16940620
linasG	The code lines were removed, but the issue remains. When changing the language in the footer, it still redirects to the .fi domain instead of returning to the root domain of wingtsun.se. Also this is changed in backoffice automatically.
April 17, 2025 at 6:10 am #16941925
Dražen Supporter Languages: English (English ) Timezone: Europe/Zagreb (GMT+02:00)	Hello, Thanks for getting back. I have recently similar case, and it was caused by Hostinger Preview Domain, which is a plugin for "Enable access to the website through a temporary domain while the main domain is not yet configured." So basically it is for temporary domain use, while the website is in development, so you do not need it In your case, you can disable it, or rename the folder via file manager to disable/ or delete it. Then it should work fine. Regards, Drazen
April 17, 2025 at 6:15 pm #16945582
linasG	Dražen, I’ve checked both the WordPress back office and the FTP under the modules folder, and I can confirm that the “Hostinger Preview Domain” module is not installed. Additionally, I’ve observed that the issue persists when selecting a language-specific domain (e.g., .se/dk or .se/fi). In these cases, WPML still overrides the main domain to .fi (the Finnish version), regardless of the selected configuration. This suggests that the issue is more global and likely tied to WPML itself, rather than the multi-domain setup or domain mapping. Looking forward to your response. P.S. From the stakeholder’s perspective, this issue has been ongoing for too long, and we urgently need a working solution. Otherwise, we’ll have to discuss a refund process. We appreciate your support and understanding.
April 18, 2025 at 5:59 am #16946230
Dražen Supporter Languages: English (English ) Timezone: Europe/Zagreb (GMT+02:00)	Hello, Thanks for getting back. We have had the same issue and reports from clients, it is a known issue, and the solution for now is to disable that plugin, as I have said. If you are not sure how to do it, you can provide me with FTP access and I can do it for you. Image attached, so you can see the plugin is used on your website. Regards, Drazen
April 18, 2025 at 9:22 am #16946821
linasG	Yes, it worked. As you mentioned in your last message, that module wasn’t under the main modules but in the MU Plugins section. Thanks for your help!