CA

Critical

Usages

Comodo

Comodo DV

serverAuth, clientAuth

Comodo EV

DST X3

DigiCert EV Root

DigiCert Global Root

DigiCert HA Intermediate

serverAuth, clientAuth

DigiCert Secure Server

GeoTrust

GlobalSign

GlobalSign DV

GlobalSign R2

Go Daddy G2

Go Daddy G2 Intermediate

Google G3

serverAuth, clientAuth

IdenTrust

Let’s Encrypt X1

Let’s Encrypt X3

RapidSSL G3

StartSSL

StartSSL class 2

clientAuth, serverAuth

StartSSL class 2

TrustID Server A52

serverAuth, clientAuth, Unknown OID, Unknown OID, Unknown OID