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

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
2026-10-22T00:00:00+00:00
Expires
2027-05-08T23:59:59+00:00
Days remaining
192
Serial (hex)
03A848D8BC95D2F2E06353381D246C3A
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

BE:90:B4:29:01:3E:50:7B:1E:2F:DB:77:63:81:B9:9A:72:A4:38:98:6B:A5:C0:5B:0A:79:AC:FB:2D:64:3F:87
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
A5:8C:4D:25:B8:0A:76:5A:83:5D:EB:6D:AA:50:65:4B:09:D2:56:BB
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/DigiCertEVRSACAG2-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertEVRSACAG2-1.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 : 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 : Oct 22 11:02:34.277 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:9D:08:A0:5F:4A:04:F9:E1:1C:20:BC: 17:F6:47:E4:C9:CF:CE:01:63:A4:95:4D:0B:BF:6D:85: 31:BE:99:82:77:02:20:49:E5:26:33:B3:0A:C1:2E:AE: DD:A0:2A:4A:D0:73:E6:3D:F1:D0:DC:53:E9:30:0C:76: C2:0B:E3:6F:BF:D9:44 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 : Oct 22 11:02:34.275 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:CC:A1:D2:4D:93:4F:01:27:D1:C3:21: D7:62:B4:4E:19:AB:F6:F2:A1:8C:63:39:E2:FB:06:B0: A2:8D:2C:88:F6:02:21:00:BC:B7:DA:A6:FB:EE:F4:B2: 8F:5C:AE:28:04:AA:32:A8:D5:86:31:EF:94:1C:D0:3D: 6E:99:DC:7A:D0:57:AA:0F 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 : Oct 22 11:02:34.329 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:91:41:08:6D:4E:06:E9:0A:4C:AD:41: 80:7A:07:E3:0B:D0:C8:5C:9F:43:AC:B5:67:80:5E:77: 9C:53:C4:D6:EB:02:20:1F:26:41:31:1A:99:62:68:D1: 9A:5D:B2:BF:D8:C6:D5:68:77:AD:E5:51:B7:C8:4E:15: 45:0C:1B:F8:82:C4:B3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-28T15:18:24+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
1342
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
4096
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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