Time to update that certificate, but otherwise
Interesting stuff.
So what's how many "middle boxes" is the UK showing?
Are we taking the internet for granted? And by "internet" we mean the actual global networks of computers that share vast quantities of information every second by using the same basic protocols. A long-planned security upgrade of the global domain name system planned for earlier this month was postponed because 11th-hour …
Bit sad really - there is no need to leave SSL certs to expire. Either use a browser occasionally, a proper monitoring system or even download this: https://www.monitoring-plugins.org/doc/man/check_http.html and run it from a cron job.
$ ./check_http -H observatory.mami-project.eu -C 14
SSL Version: TLSv1.2
CRITICAL - Certificate 'observatory.mami-project.eu' expired on Wed Sep 27 10:53:00 2017.