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THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

gt.com · 20.94.86.77:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
C=US ST=Illinois L=Downers Grove O=Grant Thornton Advisors LLC CN=*.gt.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-08-31T00:00:00+00:00
Expires
2027-03-17T23:59:59+00:00
Days remaining
143
Serial (hex)
0896921EF9C639554949763F999026EF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.gt.com, DNS:gt.com, DNS:grantthornton.com, DNS:www.grantthornton.com, DNS:www.gt.com

SHA-256 fingerprint

94:40:58:75:09:A4:07:BC:0F:BB:49:6D:75:78:6D:D8:0A:36:CA:34:DC:66:17:62:E4:34:5F:A9:DB:F1:B2:EF
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
D8:6E:DA:7D:5D:30:FF:90:6E:3B:7B:8D:F9:4F:98:3D:13:50:03:5F
subjectAltName
DNS:*.gt.com, DNS:gt.com, DNS:grantthornton.com, DNS:www.grantthornton.com, DNS:www.gt.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Aug 31 14:54:15.769 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:42:A9:A0:4E:48:AF:7B:AB:83:0D:80:DA: AA:58:11:83:C8:40:8F:7F:57:B5:47:13:66:82:7B:CA: 0D:B9:BE:64:02:20:2E:48:31:15:BF:A0:65:A3:B4:5E: C2:52:C1:27:9C:E7:7F:EE:C9:1A:4D:62:FC:FA:6A:19: 79:57:E6:E1:F8:22 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Aug 31 14:54:15.784 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:BD:F4:04:07:0C:40:84:77:41:D9:1F: A7:61:71:44:2F:96:91:2A:99:34:0D:3E:78:69:61:25: 16:58:91:0D:69:02:21:00:91:69:4A:30:12:E9:62:5E: A2:B4:29:9D:1A:EA:4B:70:BF:E7:37:3F:E5:63:83:7B: BC:24:D8:7C:83:AE:F2:F2 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Aug 31 14:54:15.820 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2A:B9:31:9C:7D:91:55:7A:4B:22:A2:DD: 2E:CA:67:23:D6:EA:A7:B5:F1:9F:1D:C8:02:50:E1:EE: 06:05:7D:16:02:20:26:92:34:65:E5:C7:EC:69:96:2D: A8:89:29:11:A1:F4:76:5E:77:DA:AB:F5:A4:8B:03:89: EB:FB:82:4B:19:93
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-25T01:31:15+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1616
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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