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

talum.si · 147.78.216.30:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
C=SI L=Kidričevo O=TALUM d.d. Kidričevo CN=*.talum.si
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-02-20T00:00:00+00:00
Expires
2027-03-23T23:59:59+00:00
Days remaining
170
Serial (hex)
0BF6243D4F1E290F89E1485C791A12AF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.talum.si, DNS:talum.si

SHA-256 fingerprint

27:A1:EA:81:CE:21:3F:3E:4A:17:60:B4:7F:28:77:EC:13:A6:4E:6F:74:74:EA:38:DC:B3:64:C9:78:6D:DD:83
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
1D:63:41:85:05:32:61:B3:A6:40:CE:B0:20:23:5F:DF:A4:CD:63:B9
subjectAltName
DNS:*.talum.si, DNS:talum.si
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 : Feb 20 08:13:43.984 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1A:D3:46:A9:54:C8:74:2A:E7:C1:A7:70: D3:29:01:E0:71:D9:A8:04:92:8B:61:55:9D:BA:62:95: B0:42:4C:F8:02:20:52:6C:9C:32:97:B5:92:C8:BC:47: 76:D3:48:BA:56:DA:DA:4A:E8:67:9E:6C:A2:77:9B:8D: 59:A9:88:A1:4B:DD 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 : Feb 20 08:13:44.027 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:45:7D:8E:60:77:3D:95:49:40:52:C3:FE: 62:1B:D2:F7:63:02:B1:E7:19:43:CC:5A:E0:DA:86:14: C1:B5:0E:9C:02:21:00:E6:66:BA:F2:99:DF:B5:C9:C5: 89:65:42:37:92:0E:05:BE:66:D1:41:F5:E6:AD:3D:87: 18:E3:38:D9:D0:53:44 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 : Feb 20 08:13:44.084 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E4:37:D2:DC:C1:F6:F0:AF:56:91:8B: C3:D5:03:44:07:0E:C8:A8:24:02:C0:50:27:22:0D:14: 5D:22:49:EA:5C:02:21:00:B4:DC:85:33:0A:9F:D3:80: EF:B5:7F:C5:88:67:D8:56:60:CC:8B:27:70:89:9A:DE: 42:BC:57:D0:19:27:FB:0E
-----BEGIN CERTIFICATE-----
MIIGwjCCBaqgAwIBAgIQC/YkPU8eKQ+J4UhceRoSrzANBgkqhkiG9w0BAQsFADBZ
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMTMwMQYDVQQDEypE
aWdpQ2VydCBHbG9iYWwgRzIgVExTIFJTQSBTSEEyNTYgMjAyMCBDQTEwHhcNMjYw
MjIwMDAwMDAwWhcNMjcwMzIzMjM1OTU5WjBXMQswCQYDVQQGEwJTSTETMBEGA1UE
BwwKS2lkcmnEjWV2bzEeMBwGA1UECgwVVEFMVU0gZC5kLiBLaWRyacSNZXZvMRMw
EQYDVQQDDAoqLnRhbHVtLnNpMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
AQEAifZ0z9FTYJF+CWKv66vEEdKR8HGJAaPWJOUJ5v6YRv90dHZ/m/p6hNvNL/S/
VJCw0KEelyz/S6bqTxcOWFQMkCRYedA6CXjIWu15wj82lcnKisYrRxxIugoBcak5
z34sS+rUJTTufPqoRTRZtCHofe2sg5yBbUBdidZST/mEEtyzq34fhODGs1kP2T8q
cuPhmoiM55EV6f1DIuBJdWoJGG+FwtpnN+WtrJPnvlh0qSJ4LE+7asrgjI0dib0z
3Xn3bG5NOtM2FipEGsFbE1cI1IfglNNu5x1G+yeOzjQl17Rlh3Swy14k3BPGqa5C
WlOPiNSYEVDMYeZ35cM36RD7vQIDAQABo4IDhjCCA4IwHwYDVR0jBBgwFoAUdIWA
wGbH3zfez70pN6oDHb7tzRcwHQYDVR0OBBYEFB1jQYUFMmGzpkDOsCAjX9+kzWO5
MB8GA1UdEQQYMBaCCioudGFsdW0uc2mCCHRhbHVtLnNpMD4GA1UdIAQ3MDUwMwYG
Z4EMAQICMCkwJwYIKwYBBQUHAgEWG2h0dHA6Ly93d3cuZGlnaWNlcnQuY29tL0NQ
UzAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0lBAwwCgYIKwYBBQUHAwEwgZ8GA1UdHwSB
lzCBlDBIoEagRIZCaHR0cDovL2NybDMuZGlnaWNlcnQuY29tL0RpZ2lDZXJ0R2xv
YmFsRzJUTFNSU0FTSEEyNTYyMDIwQ0ExLTEuY3JsMEigRqBEhkJodHRwOi8vY3Js
NC5kaWdpY2VydC5jb20vRGlnaUNlcnRHbG9iYWxHMlRMU1JTQVNIQTI1NjIwMjBD
QTEtMS5jcmwwgYcGCCsGAQUFBwEBBHsweTAkBggrBgEFBQcwAYYYaHR0cDovL29j
c3AuZGlnaWNlcnQuY29tMFEGCCsGAQUFBzAChkVodHRwOi8vY2FjZXJ0cy5kaWdp
Y2VydC5jb20vRGlnaUNlcnRHbG9iYWxHMlRMU1JTQVNIQTI1NjIwMjBDQTEtMS5j
cnQwDAYDVR0TAQH/BAIwADCCAX4GCisGAQQB1nkCBAIEggFuBIIBagFoAHUATGPc
mOWcHauI9h6KPd6uj6tEozd7X5uUw/uhnPzBviYAAAGcehymsAAABAMARjBEAiAa
00apVMh0KufBp3DTKQHgcdmoBJKLYVWdumKVsEJM+AIgUmycMpe1ksi8R3bTSLpW
2tpK6GeebKJ3m41ZqYihS90AdgBEwr0M6RQOZKXJSgGTClqhuzWXDgDuERaJaCoc
RNe1ZgAAAZx6HKbbAAAEAwBHMEUCIEV9jmB3PZVJQFLD/mIb0vdjArHnGUPMWuDa
hhTBtQ6cAiEA5ma68pnftcnFiWVCN5IOBb5m0UH15q09hxjjONnQU0QAdwAcn2gs
6frwRWlQ+BuWiofd2zIQ2EzmyLLjglJKxM9ZnwAAAZx6HKcUAAAEAwBIMEYCIQDk
N9Lcwfbwr1aRi8PVA0QHDsioJALAUCciDRRdIknqXAIhALTchTMKn9OA77V/xYhn
2FZgzIsncIma3kK8V9AZJ/sOMA0GCSqGSIb3DQEBCwUAA4IBAQAFabhKbEdqQaJR
hdaO+qd1N6usi/TZKsKRJRf7kVSameD7mk8CIQRbztjyatQUCxu3c3h8bJrzoi0t
8yk8/iPY697imrpLeqYnAdtpHnfUsfhzK5LJrLPVI23sp3baWT+CrY4eKmGkZMLW
bGOLxkgpKSY2gWbVulObsKNVXdPo83otke2ZJE8QZnWERXvC6U8JtKn7JOqw/uXO
83IA8RZ4Hv5xXh3IB5ROl9chVmDAMHltSFSU1sbeINyJWFiovm4jecM8ovsOyPl5
ajiMm+5saSwg69xOtIb3wvz0tMsmUAlTuD++xbAG9OIFf5KGBnLC9Vo7utsjgkdO
TDXsJp5j
-----END CERTIFICATE-----

Cipher: AES128-SHA · Checked 2026-10-04T21:48:54+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root CA
Valid from
2021-04-14T00:00:00+00:00
Expires
2031-04-13T23:59:59+00:00
Days remaining
1652
Serial (hex)
06D8D904D5584346F68A2FA754227EC4
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

52:27:4C:57:CE:4D:EE:3B:49:DB:7A:7F:F7:08:C0:40:F7:71:89:8B:3B:E8:87:25:A8:6F:B4:43:01:82:FE:14
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
B7:6B:A2:EA:A8:AA:84:8C:79:EA:B4:DA:0F:98:B2:C5:95:76:B9:F4
authorityKeyIdentifier
03:DE:50:35:56:D1:4C:BB:66:F0:A3:E2:1B:1B:C3:97:B2:3D:D1:55
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/DigiCertGlobalRootCA.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootCA.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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