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

flinders.edu.au · 129.96.88.39:443

Verified

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

Subject
C=AU ST=South Australia L=Bedford Park O=Flinders University CN=*.flinders.edu.au
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2025-11-18T00:00:00+00:00
Expires
2026-12-19T23:59:59+00:00
Days remaining
68
Serial (hex)
0B190BD41F2D9F1D918324F5A91E272A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.flinders.edu.au, DNS:flinders.edu.au

SHA-256 fingerprint

49:2C:C5:4B:94:D8:3D:5C:EE:A2:46:6A:2D:C0:93:83:26:A4:F9:3B:1A:10:6A:87:2D:F6:2F:4B:4A:52:61:8C
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
9B:50:FB:56:2A:E0:C9:E1:18:1A:48:1F:30:48:F9:9B:E7:D9:FA:1B
subjectAltName
DNS:*.flinders.edu.au, DNS:flinders.edu.au
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 : 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 : Nov 18 04:53:55.225 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DB:27:09:DA:26:8F:F7:8C:D9:F5:33: 96:4E:85:A6:8E:FC:90:1C:D0:56:29:A5:5E:C0:AA:A9: F4:07:D9:4C:97:02:20:24:89:C0:1F:8D:56:84:14:BE: 00:C2:2E:09:3F:42:A5:07:58:AD:D9:32:D8:07:04:42: 40:80:A0:E9:48:36:E4 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 : Nov 18 04:53:55.287 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A5:3F:FD:5C:9E:EA:F7:75:BF:8C:B0: 28:5E:07:9F:E4:1F:90:49:A8:5E:E6:DB:67:E5:F3:05: BA:DD:22:19:DA:02:21:00:FE:A2:CF:DE:B2:71:AD:59: 81:68:CE:C6:B8:6B:AA:C7:B3:F2:43:83:C7:6A:D5:4A: A5:46:C1:1C:7F:E6:CC:6E 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 : Nov 18 04:53:55.315 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:72:59:DD:EC:0C:F8:71:ED:34:5D:C0:77: 07:3E:06:46:8B:BB:46:C7:2D:88:0D:7C:A2:37:15:84: A3:1C:B5:F4:02:21:00:8E:22:EE:6E:C1:AC:1A:17:EE: F1:03:65:2A:A1:CE:67:F7:08:E3:8F:44:EC:D8:3D:5A: C7:95:E9:1E:5C:E5:89
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-12T21:29:01+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
1629
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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