On Sun, May 31, 2020 at 15:20:51 +0200, Matthias Apitz wrote: > Server certificate has expired
<snip> > This certificate belongs to: > AddTrust External CA Root > Unknown > AddTrust AB > AddTrust External TTP Network > Unknown > Unknown > SE Your ISP has been affected by this: https://support.sectigo.com/articles/Knowledge/Sectigo-AddTrust-External-CA-Root-Expiring-May-30-2020 They may have fixed it already if the sibling reply is correct. --Ben