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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

oecd.org · 151.101.3.10:443

Verified

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

Subject
C=FR L=Paris O=Organisation for Economic Co-operation and Development CN=*.oecd.org
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2025-10-16T00:00:00+00:00
Expires
2026-11-16T23:59:59+00:00
Days remaining
40
Serial (hex)
0ECEA6675480C932FACC35289D1C021F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.oecd.org, DNS:oecd.org

SHA-256 fingerprint

53:59:0A:A6:DD:43:C8:49:07:F3:3D:71:80:77:7D:9D:B8:F2:B9:CC:14:E2:D4:16:2B:0E:05:1A:5E:D2:56:D2
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
75:FF:68:97:05:80:4F:E7:2A:D3:8D:EE:38:BC:76:3F:83:D7:DF:B2
subjectAltName
DNS:*.oecd.org, DNS:oecd.org
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 : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 16 12:15:33.942 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:0C:15:36:BA:0D:F6:E0:16:93:3D:72:12: 97:0E:30:02:B3:E0:DD:DD:57:02:00:C8:88:DF:6F:8A: B5:90:AC:43:02:21:00:D5:52:39:9D:22:E8:6E:57:48: CC:22:95:BC:66:A3:36:90:D1:C7:9B:9B:04:D5:E5:8B: DA:45:9B:E1:EA:E2:3E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Oct 16 12:15:33.933 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:10:71:40:4B:7D:FE:4B:E2:1D:57:57:47: 1E:F4:85:32:71:44:7C:62:D5:8F:7E:56:11:9F:84:DE: EB:99:2A:9D:02:21:00:93:D3:2E:C1:6B:7F:B5:0D:A4: 95:7E:1F:92:1B:6B:8A:67:2B:14:47:D3:86:47:FC:FB: EC:5F:65:C8:72:C8:AC Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Oct 16 12:15:33.952 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C4:17:C8:FC:25:30:72:22:F7:04:B8: AB:DC:0F:11:F3:FB:55:A0:82:F1:70:15:55:B1:96:2F: B1:3B:A4:80:BB:02:21:00:BB:ED:59:4F:AB:CF:2F:27: C6:96:93:DE:C5:E5:12:22:FB:C0:C6:52:90:2B:9B:EF: FA:3D:E4:0A:D3:AC:8E:D8
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-07T05:54:12+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
1634
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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