# Certificate Signed by unknown authority **URL:** \ **Category:** Hosting Support\ **Created:** [September 1, 2021, 10:35am UTC](https://forum.infinityfree.com/t/certificate-signed-by-unknown-authority/50751 "2021-09-01T10:35:46Z")\ **Posts on this page:** 1\ **Showing post:** 5
**Author:** ![KangJL](https://forum.infinityfree.com/user_avatar/forum.infinityfree.com/kangjl/32/12130_2.png) [@KangJL](https://forum.infinityfree.com/u/KangJL)\ **Post date:** [September 1, 2021, 10:41am UTC](https://forum.infinityfree.com/t/certificate-signed-by-unknown-authority/50751/5 "2021-09-01T10:41:19Z")
Likely due to this > [@SSL checker shows "certificate not trusted" warning](https://forum.infinityfree.com/t/warning-the-certificate-is-not-trused-in-all-web-browsers/49697): > > When you check your InfinityFree SSL certificate with online SSL checker tools, you might see a warning like this: The certificate is not trusted in all web browsers. You may need to install an Intermediate/chain certificate to link it to a trusted root certificate. This warning sounds scary, but it’s actually not a problem for your website visitors. What this warning means for your site You can safely ignore this warning. Your site will work perfectly fine with HTTPS for virtually all mode… --- _[View the full topic](https://forum.infinityfree.com/t/certificate-signed-by-unknown-authority/50751)._