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

zcs.si · 31.7.192.117:443

Verified

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

Subject
CN=*.zcs.si
Issuer
C=US O=SSL Corporation CN=SSL.com TLS Issuing RSA CA R1
Valid from
2026-08-07T09:54:57+00:00
Expires
2027-02-21T10:01:07+00:00
Days remaining
129
Serial (hex)
05C57DFB510000166CCA1B4856F6D9AC
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.zcs.si, DNS:zcs.si

SHA-256 fingerprint

F3:59:14:82:20:B5:FA:C3:4B:7C:AC:79:F7:CB:C7:04:AF:62:42:46:9D:67:DD:8F:60:CC:44:4E:73:1C:06:2A
Certificate extensions & PEM
basicConstraints
CA:FALSE
authorityKeyIdentifier
79:BA:94:77:A0:0D:19:DD:34:E6:39:A4:FC:4C:A5:D2:5A:6D:F5:8C
authorityInfoAccess
CA Issuers - URI:http://cert.ssl.com/SSL.com-TLS-I-RSA-R1.cer OCSP - URI:http://ocsps.ssl.com
subjectAltName
DNS:*.zcs.si, DNS:zcs.si
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.38064.1.3.1.1
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crls.ssl.com/SSL.com-TLS-I-RSA-R1.crl
subjectKeyIdentifier
D7:5E:3E:D2:F1:17:AF:99:F8:9E:BE:E5:4C:86:6E:B7:0A:DF:28:BC
keyUsage
Digital Signature, Key Encipherment
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 7 10:04:59.035 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AC:79:93:E0:A4:BE:2F:8B:9E:28:91: CC:EF:A0:B8:BE:25:16:8A:C4:2A:30:3C:69:2C:D3:15: AE:39:66:D3:CC:02:21:00:EC:91:75:73:DB:E7:29:76: C3:AA:1B:F4:DA:3F:6A:BB:AB:FD:4D:DA:89:AD:08:E0: B6:83:E3:82:8F:FC:67:FB Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:A2:39:67:C6:0D:B6:46:87:C6:6F:3D:F9:99:94:76: 93:A6:A6:11:20:84:57:D5:55:E7:E3:D0:A1:D9:B6:46 Timestamp : Aug 7 10:04:58.998 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1E:5E:C8:7D:74:32:4D:7B:40:C4:23:30: B9:82:AE:60:EA:53:DE:31:E7:8E:EE:9C:80:6E:CA:52: F2:C1:CE:FA:02:21:00:BC:4D:A1:63:BA:E7:B7:BC:C3: E8:F5:E4:CC:AA:15:41:E3:0A:3E:20:43:47:1F:D6:CD: 7D:80:78:DB:82:96:29 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 7 10:04:59.015 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E4:5B:04:B0:17:A2:86:6B:71:03:CC: 49:50:1D:2A:89:09:19:F5:DA:EB:3C:E4:A4:90:5A:F4: A6:9A:03:3F:F4:02:21:00:B6:DC:89:39:A3:6C:98:ED: 9F:A6:B1:20:17:0D:DD:6D:80:3B:BA:C6:E1:BA:5E:E5: A8:03:14:4F:9E:80:94:86
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T04:02:23+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=SSL Corporation CN=SSL.com TLS Issuing RSA CA R1
Issuer
C=US O=SSL Corporation CN=SSL.com TLS RSA Root CA 2022
Valid from
2022-10-21T17:02:03+00:00
Expires
2032-10-18T17:02:02+00:00
Days remaining
2195
Serial (hex)
26B9FFE4596FA61E1AF21C63D672748A
Signature
RSA-SHA256
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

BF:BC:39:E9:FA:2B:84:C9:A9:23:37:E2:34:4E:E2:38:1D:8D:3D:3A:E8:EA:75:EF:4E:48:E5:80:7E:D8:0C:69
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
authorityKeyIdentifier
FB:2E:37:EE:E3:84:7A:27:2E:CD:19:35:B1:33:7C:FF:D4:44:42:B9
authorityInfoAccess
CA Issuers - URI:http://cert.ssl.com/SSLcom-TLS-Root-2022-RSA.cer
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.ssl.com/repository
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crls.ssl.com/SSLcom-TLS-Root-2022-RSA.crl
subjectKeyIdentifier
79:BA:94:77:A0:0D:19:DD:34:E6:39:A4:FC:4C:A5:D2:5A:6D:F5:8C
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=SSL Corporation CN=SSL.com TLS RSA Root CA 2022
Issuer
C=US O=SSL Corporation CN=SSL.com TLS RSA Root CA 2022
Valid from
2022-08-25T16:34:22+00:00
Expires
2046-08-19T16:34:21+00:00
Days remaining
7248
Serial (hex)
6FBEDAAD73BD0840E28B4DBED4F75B91
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8F:AF:7D:2E:2C:B4:70:9B:B8:E0:B3:36:66:BF:75:A5:DD:45:B5:DE:48:0F:8E:A8:D4:BF:E6:BE:BC:17:F2:ED
Certificate extensions & PEM
basicConstraints
CA:TRUE
authorityKeyIdentifier
FB:2E:37:EE:E3:84:7A:27:2E:CD:19:35:B1:33:7C:FF:D4:44:42:B9
subjectKeyIdentifier
FB:2E:37:EE:E3:84:7A:27:2E:CD:19:35:B1:33:7C:FF:D4:44:42:B9
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----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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