CA

Compare the features supported by the known CAs:

CA	MaxLifetime	ECC	Domain Count	Wildcard	IPv4	IPv6	NotAfter	IDN
Let's Encrypt	90	Yes	100	Yes	No	No	No	Yes
ZeroSSL	90	Yes	100	Yes	No	No	Yes	Yes
Google	90	Yes	100	Yes	No	No	Yes	No
Buypass	180	Yes	5	Paid	No	No	No	Yes
SSL.com	90	Yes	2	Paid	No	No	No	Yes
HiCA	180	Paid	10 (1 if Wildcard)	Yes	Yes	Yes	No	Yes