Url of the pages following the change of domain name

Hello everyone I just changed my domain name. Everything works, the new domain name (www.nature-images.fr) as well as the old one (nature.saxrub.net) display my site well. I changed in the general settings of the site the web address of WordPress as well as the web address of the site. The problem is that in the internal links to the pages (via the left menu for example), it is always the old domain name that appears! An idea ?

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