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

TLSv1.3

posta.si · 193.243.141.190:443

Verified
The certificate expires within 30 days.

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

Subject
jurisdictionC=SI businessCategory=Private Organization serialNumber=5881447000 C=SI L=Maribor O=Pošta Slovenije d.o.o. CN=www.posta.si
Issuer
C=US O=DigiCert Inc CN=DigiCert EV RSA CA G2
Valid from
2025-10-23T00:00:00+00:00
Expires
2026-10-23T23:59:59+00:00
Days remaining
11
Serial (hex)
08B5E5FB6D5B1B2B075904E8BF346E70
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.posta.si, DNS:posta.si, DNS:en.posta.si, DNS:moja.posta.si, DNS:ws01.posta.si, DNS:stag.posta.si

SHA-256 fingerprint

7F:59:FA:D3:36:6B:22:FE:75:39:3A:0A:AE:AD:D4:DC:DD:7E:00:99:E7:87:62:62:5C:18:8C:BA:35:5E:2E:28
Certificate extensions & PEM
authorityKeyIdentifier
6A:4E:50:BF:98:68:9D:5B:7B:20:75:D4:59:01:79:48:66:92:32:06
subjectKeyIdentifier
41:3E:AD:D6:90:96:5C:62:A5:5B:07:83:DD:E9:F6:69:C4:84:BC:F7
subjectAltName
DNS:www.posta.si, DNS:posta.si, DNS:en.posta.si, DNS:moja.posta.si, DNS:ws01.posta.si, DNS:stag.posta.si
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertEVRSACAG2.crl Full Name: URI:http://crl4.digicert.com/DigiCertEVRSACAG2.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertEVRSACAG2.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Oct 23 12:12:17.261 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A2:14:A4:76:24:58:90:2F:D6:31:A8: A0:E9:DB:18:8A:AC:D3:6A:8F:85:88:D2:68:69:D1:CA: B6:35:FF:5E:7E:02:20:47:FE:80:51:D7:2C:AA:D9:F6: C0:DE:30:55:C6:59:9B:D8:F7:12:EF:1B:9C:D8:9E:29: E0:AF:A9:78:41:59:23 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 23 12:12:17.308 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:41:20:40:7B:0B:5F:15:CB:6D:1A:DD:F4: ED:02:4F:C7:E1:B9:35:C0:84:35:86:A6:C0:5C:E5:DB: 9E:B3:3A:87:02:21:00:E7:A8:D4:3D:F8:3D:91:EF:FF: BF:2E:AF:9D:C3:88:2E:26:C3:38:5E:60:C4:BA:7B:03: 8C:FF:3B:FA:A3:FA:C1 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 23 12:12:17.324 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:03:8F:8A:EE:2B:27:0D:A7:04:BA:E0:C1: 8B:5D:24:64:7F:25:4D:23:A2:CF:43:06:C7:65:54:DA: 19:E0:B8:C4:02:20:41:19:B1:D5:3E:92:09:65:80:15: BD:07:6B:8E:D5:EA:F4:BF:94:56:22:ED:95:F4:03:54: 81:CA:05:61:CD:18
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-12T18:42:32+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert EV RSA CA G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2020-07-02T12:42:50+00:00
Expires
2030-07-02T12:42:50+00:00
Days remaining
1358
Serial (hex)
01678F1FEF882255D8B0A70E6B7BB220
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

95:88:EF:74:19:9E:45:AC:EF:CC:CF:C0:C4:70:10:E9:F2:A3:7A:1D:D4:4C:61:A4:E1:C6:B3:34:DA:5A:F6:14
Certificate extensions & PEM
subjectKeyIdentifier
6A:4E:50:BF:98:68:9D:5B:7B:20:75:D4:59:01:79:48:66:92:32:06
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
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS User Notice: Explicit Text: Any use of this Certificate constitutes acceptance of the Relying Party Agreement located at https://www.digicert.com/rpa-ua
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4112
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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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