>Almost 1.6M domains had a cert that had recently expired (in July, the month of the scan). Almost 3.7M domains had a cert that expired in 2019 (the year of the

>Almost 1.6M domains had a cert that had recently expired (in July, the month of the scan). Almost 3.7M domains had a cert that expired in 2019 (the year of the scan). Over 9.6M domains had a cert that expired in the 2010s! This doesn't make sense. Even assuming you included the ones that had expired certs in "had a cert that expired in the 2010s", it would only be 1.6+3.7~=5.3M. Where does the rest 4.3M come from?