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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

etk.fi · 185.20.136.188:443

Verified

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

Subject
C=FI L=Helsinki O=Eläketurvakeskus CN=www.etk.fi
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-09-02T00:00:00+00:00
Expires
2027-03-19T23:59:59+00:00
Days remaining
144
Serial (hex)
01186EFA34B0274612632BC4F332191D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.etk.fi, DNS:etk.fi

SHA-256 fingerprint

52:54:18:C4:5B:82:66:38:DE:7B:F8:1B:23:9B:57:E1:86:D8:D6:25:26:81:6A:78:DB:2F:08:0C:9E:55:42:8C
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
CF:0E:7C:AB:80:7B:09:D9:9C:E6:D0:06:40:0E:27:DB:DB:50:AF:3F
subjectAltName
DNS:www.etk.fi, DNS:etk.fi
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client 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 : Sep 2 11:46:12.690 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:79:C3:1F:BA:26:DD:54:EA:1F:95:AC:53: F8:B2:FF:E7:A1:00:8B:78:32:08:86:CA:A3:AB:49:A8: 68:46:F7:FA:02:21:00:C8:E2:9B:DC:18:CF:58:D2:AA: 8D:E1:66:90:D0:1B:8E:5C:1F:D0:05:A0:56:13:4E:D7: A0:6B:6F:3D:48:77:A1 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 : Sep 2 11:46:12.920 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:EC:13:C6:08:6A:FC:C5:88:7D:CF:C6: EF:34:04:F9:45:82:C2:6D:EA:41:95:22:54:92:FE:24: A0:7F:BF:12:55:02:20:48:66:D1:79:D3:33:7F:60:59: FA:79:B2:06:EA:0D:A8:EF:81:A5:6C:7A:9E:39:AD:F2: 4D:CF:9B:E1:EE:BD:9C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Sep 2 11:46:12.880 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:2C:8C:F3:17:76:B7:84:E5:BB:E6:19:DF: B5:C7:63:5E:8F:EA:94:AA:46:3A:43:B1:EA:AF:C5:C9: 49:BB:A3:98:02:21:00:BF:76:1A:B1:A2:C7:F3:A5:C6: F7:BD:14:37:61:39:27:5A:7F:31:C9:85:D8:A6:7C:49: 17:0D:25:51:75:97:5B
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-26T23:19:20+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
1615
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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