#SciHub HTTPS Certs Revoked by Comodo
"#Comodo … responded to a court order which compelled it to revoke four certificates … [but] domains https://sci-hub.is and https://sci-hub.nu are fully operational with certificates issued by #LetsEncrypt, a free and open certificate authority supported by the likes of #Mozilla, #EFF … and other prominent tech companies."
https://torrentfreak.com/sci-hub-pirate-bay-for-science-security-certs-revoked-by-comodo-ca-180503/