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