List of 124 Certificate Authorities ( CA )

Make use of this Certificate Authorities list which currently contains 124 unique certificate authority names.

What is a certificate authority?

certificate authority or certification authority (CA) is an entity that issues digital certificates. A digital certificate certifies the ownership of a public key by the named subject of the certificate.

This allows others (relying parties) to rely upon signatures or on assertions made about the private key that corresponds to the certified public key. A CA acts as a trusted third party—trusted both by the subject (owner) of the certificate and by the party relying upon the certificate.

Certificate Authorities list

I decided to do some research, and I have collected currently a set of 124 Certificate Authorities. Make use of this how you wish. Please do mention if you share the list on a different online platform.

1DigiCert SHA2 Secure Server CA
2CloudFlare Inc ECC CA-2
3Plex Devices High Assurance CA2
5Microsoft IT TLS CA 4
6CloudFlare Inc RSA CA-1
7Actalis Domain Validation Server CA G2
8Encryption Everywhere DV TLS CA – G1
9DigiCert SHA2 High Assurance Server CA
10Microsoft IT TLS CA 5
11Go Daddy Secure Certificate Authority – G2
12RapidSSL RSA CA 2018
13Sectigo RSA Domain Validation Secure Server CA
14Test SSLAdmin 4
15Entrust Certification Authority – L1K
16cPanel, Inc. Certification Authority
17Let”s Encrypt Authority X3
18GTS CA 1D2
19COMODO ECC Domain Validation Secure Server CA 2
20GTS CA 1O1
21DigiCert ECC Secure Server CA
22Fake LE Intermediate X1
23InCommon RSA Server CA
24DigiCert Baltimore CA-2 G2
25Encryption Everywhere DV TLS CA – G2
26Gandi Standard SSL CA 2
27DigiCert SHA2 Extended Validation Server CA
28Microsoft IT TLS CA 1
29AlphaSSL CA – SHA256 – G2
30STAGING Go Daddy Secure Certificate Authority – G2
31Starfield Secure Certificate Authority – G2
33TrustAsia TLS RSA CA
34GeoTrust TLS RSA CA G1
35TEST Go Daddy Secure Certification Authority – G2
36Thawte RSA CA 2018
37USERTrust RSA Domain Validation Secure Server CA
38Test GTS CA 1O1
39DFN-Verein Global Issuing CA
40Microsoft IT TLS CA 2
41GlobalSign RSA DV SSL CA 2018
42Cisco Meraki CA
43GeoTrust RSA CA 2018
44COMODO RSA Domain Validation Secure Server CA 2
45Test GTS CA 1D2
46GlobalSign RSA OV SSL CA 2018 – Staging1
47GlobalSign ECC OV SSL CA 2018 – Staging1
48GlobalSign RSA OV SSL CA 2018
49Cybertrust Japan SureServer CA G4
50TrustAsia TLS ECC CA
52GlobalSign CloudSSL CA – SHA256 – G3
53D-TRUST SSL Class 3 CA 1 2009
55JPRS Domain Validation Authority – G3
56ATT Organization Validated CA 2019
57Cybertrust Japan SureServer EV CA G3
58CrossTrust DV CA5
59USERTrust RSA Organization Validation Secure Server CA
60QuoVadis Global SSL ICA G3
61HydrantID SSL ICA G2
62Trusted Secure Certificate Authority 5
63Netflix Public SHA2 RSA CA 2
64FujiSSL Public Validation Authority – G3
65SecureCore RSA DV CA
66DigiCert Global CA G2
68COMODO RSA Organization Validation Secure Server CA
69Sectigo RSA Organization Validation Secure Server CA
70Network Solutions DV Server CA 2
71DigiCert Secure Site ECC CA-1
72GlobalSign Extended Validation CA – SHA256 – G3
73TeliaSonera Server CA v2
74Entrust Certification Authority – L1M
75Certum Domain Validation CA SHA2
76Thawte TLS RSA CA G1
77GlobalSign Domain Validation CA – SHA256 – G3
79Buypass Class 2 Test1 CA 5
80TERENA SSL High Assurance CA 3
81SwissSign EV Gold CA 2014 – G22
82Certyfikat SSL RSA SSL subCA
84GlobalSign Organization Validation CA – SHA256 – G2
85TrustSafe Domain Validated CA
86Certum Subordinate CA
87QuoVadis Global SSL ICA G2
89Secure Site CA G2
90NII Open Domain CA – G5
91HydrantID EV SSL ICA G1
92DigiCert Cloud Services CA-1
93Don Dominio
94Western Digital Technologies Certification Authority
95Trustwave DV SHA256 Pre-Certificate CA
96EuropeanSSL Server CA 2
97GeoTrust EV RSA CA 2018
99Trust Provider B.V. TLS RSA CA G1
100SECOM Passport for Web EV CA
101Wells Fargo Public Trust Certification Authority 01 G2
102GlobeSSL DV Certification Authority 2
103DC Government SHA2 EV Intermediate CA
104Apple Public Server RSA CA 12 – G1
105Merge Delay Intermediate 1
106Certum Extended Validation CA SHA2
107KPN BV PKIoverheid Organisatie Server CA – G3
108Sectigo RSA Extended Validation Secure Server CA
109COMODO RSA Extended Validation Secure Server CA
110QuoVadis PKIoverheid Organisatie Server CA – G3
111TrustSign RSA DV CA
112COMODO RSA Domain Validation Secure Server CA
113DigiCert SHA2 Extended Validation Server CA-3
114webCARES Issuing CA 2017
115SwissSign Server Gold CA 2014 – G22
116Camerfirma Corporate Server II – 2015
117Trustwave OV SHA256 Pre-Certificate CA
118Digidentity BV PKIoverheid Organisatie Server CA – G3
119Certum Organization Validation CA SHA2
120Sectigo ECC Domain Validation Secure Server CA
121Prodrive Technologies B.V. OV SSL Issuing CA
122TrustID Server CA O1
123TI Trust Technologies OV CA
124InCommon IGTF Server CA
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