Invalid certifcate when access my web from LAN

I run letsencrypt on IIS 8, my internal web server IP is 10.100.100.100, my IP public is 202.a.b.c and also secured by Sucuri proxy with forward certificate validation enabled, yesterday the certificate was successfully renewd and accessible to the extenal users but why I unable to access it through LAN it says the certificate is invalid!

Could any body please advice?

Thanks a lot in advance & Regards
Winanjaya

Hi @winanjaya,

Could you tell us your domain name, the specific browser you’re using, and the specific error message you get when using the certificate?

Have you been able to confirm that the certificate is the same one in both cases?

fixed it … DNS issue

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