The certificate is not trusted in all web browsers

Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g., so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is:

I ran this

It produced this output:

My web server is (include version): don’t know

The operating system my web server runs on is (include version): Windows 10

My hosting provider, if applicable, is: Namecheap

I can log in to a root shell on my machine (yes or no, or I don’t know): no

I’m using a control panel to manage my site (no, or provide the name and version of the control panel): no

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you’re using Certbot): don’t know

I was using let’s encrpt free ssl is the some external details which you need
Common name:
Valid from November 16, 2019 to February 14, 2020
Serial Number: 0348889a395c67503d0ba8093197d36f592a
Signature Algorithm: sha256WithRSAEncryption
Issuer: Let’s Encrypt Authority X3

when I check my website SSL certificate in SSLChecker website it has shown this error

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. Learn more about this error. The fastest way to fix this problem is to contact your SSL provider.

I don’t know why this occurs but I have seen what happened in different browsers are not applicable with my SSL some times it generates not secure can I know why this happens and what I can do for it?

1 Like

Hi @sriflix

checking your domain your chain is incomplete -

The intermediate certificate is missing.

Should look like

Your https is a nginx.

Share the rows of your port 443 vHost with


to see, what you are using. Perhaps change the value of ssl_certificate to fullchain.pem if you use cert.pem and restart your nginx.

1 Like

This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.