DNS
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

TLSv1.2

nic.fi · 195.197.95.187:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`saunalahti.fi' did not match expected CN=`nic.fi'

Certificate verification failed

Subject
C=FI L=HELSINKI O=Elisa Oyj CN=saunalahti.fi
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-08-19T00:00:00+00:00
Expires
2027-03-05T23:59:59+00:00
Days remaining
163
Serial (hex)
0AB5CBFCC2972B02B46564B666BABFB8
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:saunalahti.fi, DNS:www.saunalahti.fi

SHA-256 fingerprint

99:C8:F3:EB:49:5F:7B:32:F9:0B:3F:8B:49:A1:1A:D5:9E:94:15:B5:3F:DE:7F:78:F3:30:32:E8:DE:20:BF:CC
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
0C:F7:A6:04:7C:36:D1:F7:DD:B4:6B:D3:C1:47:18:CB:4D:BC:E3:F7
subjectAltName
DNS:saunalahti.fi, DNS:www.saunalahti.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
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 19 00:52:10.915 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:25:60:14:BF:78:A5:67:7E:26:4F:2F:61: 1B:2C:AB:B5:B5:81:C4:4F:5C:06:34:E9:8E:BF:5A:B0: 8D:76:AE:32:02:21:00:B5:1E:CB:E1:F1:5D:10:46:91: 3D:ED:0A:2B:FD:15:6B:C1:D9:78:EC:C8:27:33:FE:8F: DD:9A:53:1F:1C:2D:D2 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 19 00:52:10.957 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:57:02:80:45:1F:88:AC:B6:CB:EF:C0:1C: CD:A3:F7:A4:61:4A:64:41:A3:E9:51:64:23:30:05:D5: 2D:F4:BC:E7:02:21:00:CD:22:C0:DF:42:9D:96:AD:F1: 29:4E:02:11:15:11:4B:0D:B9:78:E8:36:D8:B9:C9:22: 84:AF:09:18:A9:30:48 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 : Aug 19 00:52:11.013 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1A:E2:BE:67:64:22:D5:D2:58:31:EE:78: 65:EF:79:0C:37:AF:30:3C:1E:33:08:23:4B:DF:DC:A7: 54:03:31:A3:02:21:00:CD:6F:43:E3:8F:6E:E5:1C:60: E6:0C:59:FF:83:1E:BB:20:6C:7D:11:25:3A:FF:77:94: 42:CF:73:F7:4A:5A:32
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-23T20:26:59+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
1648
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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