Значит ты в него влюбилась ♥

хм. похоже на то

In August 2016 it was reported that StartCom was sold to WoSign, a Chinese CA.[16][17][18] The original disclosure was taken down for legal reasons.[19] However, repostings of the original articles are still available.[17] The relationship is unclear, but it seems as if the StartCom technical infrastructure was being used by WoSign when they were caught issuing about a hundred[20] improperly validated SSL certificates, including a certificate for github.com.[21][22]

ну тогда letsencrypt. как наименее невменяемый

или бери за баблище