Re: certificate verification "failing" message

On 10 Feb 2019, at 22:15, Alex Jordan wrote:

> 500 Can't connect to pretextbook.org:443 (certificate verify failed)

Please see 
https://lists.w3.org/Archives/Public/www-validator/2016Jul/0027.html

Received on Sunday, 10 February 2019 22:58:06 UTC