# GlobalSign Root CA - R3 root certificate (GlobalSign)

> GlobalSign is a root CA certificate operated by GlobalSign (RSA 2048, valid until 2029-03-18, SHA-256 CBB522D7). As of the latest CCADB data it is trusted for TLS server authentication by 4 of 4 major root stores: Chrome, Mozilla, Apple, Microsoft.

Source: https://ssl.sh/roots/globalsign/
Last updated: 2026-11-10

GlobalSign is a root CA certificate operated by GlobalSign (RSA 2048, valid until 2029-03-18, SHA-256 CBB522D7). As of the latest CCADB data it is trusted for TLS server authentication by 4 of 4 major root stores: Chrome, Mozilla, Apple, Microsoft.

| Field | Value |
|---|---|
| CA owner | GlobalSign |
| Subject | CN=GlobalSign,O=GlobalSign,OU=GlobalSign Root CA - R3 |
| SHA-256 | CBB522D7B7F127AD6A0113865BDF1CD4102E7D0759AF635A7CF4720DC963C53B |
| SPKI SHA-256 | 706BB1017C855C59169BAD5C1781CF597F12D2CAD2F63D1A4AA37493800FFB80 |
| Valid from | 2009-03-18 |
| Expires | 2029-03-18 |
| Key | RSA 2048 |
| Signature algorithm | sha256WithRSAEncryption |
| Serial number | 4000000000121585308A2 |
| SHA-1 (Windows thumbprint) | D69B561148F01C77C54578C10926DF5B856976AD |

## Root store status

| Root store | Status | Trusted for TLS | Distrust for TLS after | Details |
|---|---|---|---|---|
| Chrome | Included | Yes | 2026-09-30 | - |
| Mozilla | Included | Yes | - | Trust bits: Websites, Email; EV policy OIDs: 2.23.140.1.1; First included in: NSS 3.12.8 / Firefox 3.6.12; Inclusion bug: #507360 |
| Apple | Included | Yes | - | Trust bits: serverAuth, clientAuth, emailProtection |
| Microsoft | Included | Yes | - | Trusted EKUs: Server Authentication, Client Authentication, Code Signing, Encrypting File System, IP Security Tunnel Termination, IP Security User, Secure Email, Time Stamping |

Chrome stops trusting TLS certificates under this root whose SCTs are dated after 2026-09-30 (sct_not_after). Mozilla treats it as an EV root for policy OID 2.23.140.1.1.

## Intermediate CAs issued by this root

The CCADB lists 216 intermediate CA certificates signed directly by GlobalSign: 86 currently valid, 94 expired and 36 revoked (revoked includes those whose parent was revoked). 1 of the valid ones run past the expiry date of the root itself (2029-03-18).

| Intermediate | Operated by | Expires | Status | SHA-256 |
|---|---|---|---|---|
| GlobalSign Atlas R3 EV TLS CA 2026 | GlobalSign nv-sa | 2029-03-18 | Valid | B5D477B219D3A34AFCE001C697E4ECE0F62CAA9A821A6CF0DE4572BAB653EA82 |
| GlobalSign Root R46 | GlobalSign nv-sa | 2029-03-18 | Valid | D69B7D6CDD50DDAB10DC6894BB6F440681EBFB9059C71BD499ED63787F11B76F |
| GlobalSign Atlas R3 DV TLS CA 2026 LT | GlobalSign nv-sa | 2029-03-18 | Valid | 34B10603A7012026D3B335D2DF33DC18124946E1151C5972B26DC4F687CA4494 |
| GlobalSign Atlas R3 OV TLS CA 2026 LT | GlobalSign nv-sa | 2029-03-18 | Valid | 2C1B536883E3EA5845C3886F0D534731CC5E9967AFE611F6170049FC41E52DC1 |
| GlobalSign Atlas R3 OV TLS CA 2026 Q3 | GlobalSign nv-sa | 2028-04-22 | Valid | E52BAA3918E461B4336F76789B8ABA23972ABCF62461C6A32F3320A38433187A |
| GlobalSign Atlas R3 AlphaSSL CA 2026 Q3 | GlobalSign nv-sa | 2028-04-22 | Valid | D057CB232F081DCB0C6A66A023E40600CF4CE7DF1E8CF612E5CB1280337C403B |
| GlobalSign Atlas R3 DV TLS CA 2026 Q3 | GlobalSign nv-sa | 2028-04-22 | Valid | 5D7B98CAFE69BDAF4DC6B57DA091F6A6F8F9B7C249A2BBA1318409EB347F4E6B |
| GlobalSign Atlas R3 AlphaSSL CA 2026 Q2 | GlobalSign nv-sa | 2028-01-21 | Valid | BF8662E4FAB218C8249CBC7EA23588495EFBAB5D2857CBE1840734794546D280 |
| GlobalSign Atlas R3 OV TLS CA 2026 Q2 | GlobalSign nv-sa | 2028-01-21 | Valid | 8BC47366C0E82A249EE1A8769813B7BFD6718D253DD69A6C4B4BE7693362F1E9 |
| GlobalSign Atlas R3 DV TLS CA 2026 Q2 | GlobalSign nv-sa | 2028-01-21 | Valid | 516AA665DBD48988E3F0CD9A670F89173E829ADFE38F607A0513C6683C2B9B95 |
| GlobalSign Atlas R3 OV TLS CA 2026 Q1 | GlobalSign nv-sa | 2027-10-15 | Valid | 7233BB61704F3856AE8E2BBB0A86EED848C6136D78CD319CD6CB5EE4233E19BE |
| GlobalSign Atlas R3 AlphaSSL CA 2026 Q1 | GlobalSign nv-sa | 2027-10-15 | Valid | 5771BD8366FC677C8E2BF3648E885538A14F358321DD492D6AD186501D138BE3 |
| GlobalSign Atlas R3 DV TLS CA 2026 Q1 | GlobalSign nv-sa | 2027-10-15 | Valid | 1A6E1E3107328747396C74B70193D5C4EF72F75A1BE5706A5289929BFDB163F2 |
| GlobalSign Atlas R3 DV TLS CA 2025 Q4 | GlobalSign nv-sa | 2027-07-16 | Valid | F5165FC624453361E3A131C6AD90893A8DE40158921A94E8A4B445398EEDF6E0 |
| GlobalSign Atlas R3 OV TLS CA 2025 Q4 | GlobalSign nv-sa | 2027-07-16 | Valid | D1B2BAE3FF6E1307E8DFD281EEF5BAFC13AA7B6296C88D878CE42194BCBF3A6D |
| Alibaba Cloud GCC R3 AlphaSSL CA 2025 | GlobalSign nv-sa | 2027-07-16 | Valid | 9A3FC708F61E036AF88CECB2E8DA79A3B21F092CFC172C31DD5A93DCFA15248F |
| GlobalSign Atlas R3 AlphaSSL CA 2025 Q4 | GlobalSign nv-sa | 2027-07-16 | Valid | 3155F05DB3BA8A8E259733CEB15B852A956C1B40F2B94F21D99E82B9B5A60214 |
| GlobalSign GCC R3 EV TLS CA 2025 | GlobalSign nv-sa | 2027-07-16 | Valid | 1B2928021A4B89CF0F572A2436E914E25412AD58EDEE221E6C7C3C5437179A26 |
| GlobalSign Atlas R3 AlphaSSL CA 2025 Q3 | GlobalSign nv-sa | 2027-04-16 | Valid | DADEA3CF2CF2539C63672168FAE3C728023E0E5CB0E105DC52456FEB79424344 |
| GlobalSign Atlas R3 OV TLS CA 2025 Q3 | GlobalSign nv-sa | 2027-04-16 | Valid | 6F9D6055094EFCFCD4E13B953E335334F04445AE4C11B97FF6BBE450D92BB3F3 |

## Cross-signed versions

4 certificate(s) in the CCADB have the same subject and public key as GlobalSign but a different issuer. A server can send one of them so that clients which trust the issuing root, but not GlobalSign, can still build a chain.

| Signed by | CA owner | Expires | Status | SHA-256 |
|---|---|---|---|---|
| GlobalSign Root CA | GlobalSign nv-sa | 2028-01-28 | Valid | 445EEC78BC61215044A0379656AA2D5DB5E42F76CB70B8D14C2077AA943D4EBB |
| GlobalSign Root CA | GlobalSign nv-sa | 2019-03-18 | Expired | FDFC6560B09C237F468B8130EB90996FF85FA13FA266239B8D5863798D6AB898 |
| GlobalSign Root CA | GlobalSign nv-sa | 2019-03-18 | Expired | 52D60074D5D0E65F080CA3CD6A31BC94762F26583A0A99A4135ACAF94A691DA9 |
| GlobalSign Root CA | GlobalSign nv-sa | 2028-01-28 | Revoked | C94FEDDA4E8608908580BC7F87B434E03BB262E42F64C63820A8F50FB17C1CEC |

## What happens when it expires

GlobalSign is valid until 2029-03-18, about 2.4 years after this data snapshot (2026-11-10). From that day, browsers and operating systems that check trust-anchor expiry stop accepting chains that end at this root, so any certificate that can only chain to it fails validation. Android is a known exception: it does not enforce the expiry date of trust anchors. 1 of its valid intermediates expire later than the root, so their operators need another path, such as a cross-sign from a newer root, before 2029-03-18. Root programs can stop trusting it before it expires: Chrome 2026-09-30.

## FAQ

**Is GlobalSign trusted by Chrome, Firefox, Safari and Windows?**

Yes. As of 2026-11-10, Chrome, Mozilla (Firefox), Apple (Safari) and Microsoft (Windows) all trust it for TLS server authentication. Distrust-after dates already set: Chrome 2026-09-30.

**When does GlobalSign expire?**

On 2029-03-18, about 2.4 years after the 2026-11-10 data snapshot. 1 of the valid ones run past the expiry date of the root itself (2029-03-18).

**How many intermediate certificates has GlobalSign issued?**

The CCADB lists 216: 86 valid, 94 expired and 36 revoked. The newest valid one is GlobalSign Atlas R3 EV TLS CA 2026, valid until 2029-03-18.

**Is GlobalSign cross-signed?**

Yes. The CCADB has 4 cross-certificate(s) with its subject and key, signed by GlobalSign Root CA; 1 of them are still valid.

Sources: CCADB TLS Server Authentication report, All Included Root Certificate Trust Bit Settings, All Certificate Information (V5), the per-store TLS reports and Mozilla's Included CA Certificate Report (ccadb.org/resources).