4 ms·It's not expired. That site is using the wrong cert (ERR_CERT_COMMON_NAME_INVALID). How odd.by banana_giraffe 4y agoIt's not expired. That site is using the wrong cert (ERR_CERT_COMMON_NAME_INVALID). How odd.Joker_vD 4y agoBrowsers still look at the commonName?.. Hasn't this field been deprecated since 2000?k_roy 4y agoCN/SAN. It amounts to the same thing. They are serving the cert for "*.twimg.com" here.