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

arup.com.au · 20.37.196.202:443

Verified

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

Subject
CN=arup.com.au
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-10-03T00:00:00+00:00
Expires
2027-04-03T23:59:59+00:00
Days remaining
178
Serial (hex)
0614F975B997F684C7B5BBF38719CA07
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:arup.com.au

SHA-256 fingerprint

AC:FE:AB:BC:48:83:10:E8:A5:E9:24:F6:66:AE:1C:80:6C:AC:D6:31:67:6E:17:7E:A3:A9:19:DD:84:77:F4:2E
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
B3:8B:BE:1C:3D:9E:42:1A:40:94:F0:A3:A2:A2:0F:AC:4C:E4:1E:07
subjectAltName
DNS:arup.com.au
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.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 3 10:42:11.594 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F4:40:C4:98:F3:F5:32:C8:C7:87:EB: B2:80:68:19:AF:CB:90:60:E5:4D:D1:25:CE:EC:93:90: DF:38:8B:00:6E:02:21:00:80:51:FB:DA:ED:B8:74:96: 12:01:38:EB:E4:58:53:C0:C0:AA:40:93:A8:42:15:85: A7:20:DE:3B:A2:5E:72:14 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 3 10:42:11.685 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E5:D8:4B:C4:E5:72:F5:1E:7C:14:5E: A2:E2:01:49:36:10:76:E9:89:49:E0:9A:59:B8:62:17: DB:99:BF:2A:B7:02:21:00:84:01:A9:27:91:2F:D4:9F: 57:12:D3:7A:C1:90:B4:6E:D0:FE:E7:2E:84:D5:3D:11: 9D:4B:12:C7:A5:6A:65:64 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Oct 3 10:42:11.654 2026 GMT Extensions: 00:00:05:00:1B:1F:01:C8 Signature : ecdsa-with-SHA256 30:45:02:21:00:EF:69:04:C4:63:AA:F5:17:C6:F2:62: 30:84:54:84:F3:D0:4F:E7:8C:7B:DC:10:92:1A:4A:5C: C0:E4:4E:C7:85:02:20:5C:70:65:E5:28:EB:E0:FA:CC: 2F:D3:78:6D:9C:3F:3E:30:2B:09:E9:F6:96:C5:DD:93: B6:03:C1:82:9C:47:0E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-07T01:59:38+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
391
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
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
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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.

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