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

rmit.edu.au · 131.170.0.105:443

Verified

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

Subject
C=AU ST=Victoria L=Melbourne O=ROYAL MELBOURNE INSTITUTE OF TECHNOLOGY CN=www.rmit.edu.au
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-05-19T00:00:00+00:00
Expires
2026-12-03T23:59:59+00:00
Days remaining
72
Serial (hex)
0EA566A0EAA4E88C81BF1D74AE976CB1
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.rmit.edu.au, DNS:rmit.edu.au, DNS:aemauthor.rmit.edu.au, DNS:www.rmit.eu, DNS:rmit.eu, DNS:www.rmit.edu.vn, DNS:rmit.edu.vn, DNS:www.rmittraining.com, DNS:rmittraining.com, DNS:www.rmittraining.com.au, DNS:rmittraining.com.au, DNS:www.rmitenglishworldwide.com, DNS:rmitenglishworldwide.com, DNS:www.rmitenglishworldwide.com.au, DNS:rmitenglishworldwide.com.au, DNS:universitypress.rmittraining.com

SHA-256 fingerprint

94:F7:40:61:0B:08:C9:8F:AF:AA:F3:93:BC:66:67:7C:0F:7C:1E:16:AF:C6:D2:4F:C5:59:96:4F:9B:1E:66:ED
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
8A:D9:C0:8D:4E:82:D6:C0:F6:BC:21:BC:E7:08:D3:B6:C3:0A:4C:A8
subjectAltName
DNS:www.rmit.edu.au, DNS:rmit.edu.au, DNS:aemauthor.rmit.edu.au, DNS:www.rmit.eu, DNS:rmit.eu, DNS:www.rmit.edu.vn, DNS:rmit.edu.vn, DNS:www.rmittraining.com, DNS:rmittraining.com, DNS:www.rmittraining.com.au, DNS:rmittraining.com.au, DNS:www.rmitenglishworldwide.com, DNS:rmitenglishworldwide.com, DNS:www.rmitenglishworldwide.com.au, DNS:rmitenglishworldwide.com.au, DNS:universitypress.rmittraining.com
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 : 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 : May 19 00:08:06.686 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2E:C5:0C:3A:A3:07:DF:ED:8A:88:98:51: 24:0C:C2:56:50:7B:80:13:16:AC:EB:77:0E:9D:8B:7A: 5D:A3:C4:5D:02:20:40:49:52:E2:50:D7:D9:BD:E0:C1: A3:95:5E:83:64:A2:EA:8A:94:67:23:31:38:82:E3:D6: 12:04:71:15:32:7D 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 : May 19 00:08:06.642 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:5A:5D:A7:68:0E:51:99:E3:46:F0:83:26: 97:C7:DE:DB:6E:A4:4D:4A:E5:11:99:5E:5C:2B:F7:D7: EF:CE:D1:80:02:21:00:80:53:21:22:1F:E8:7D:85:F6: D1:94:6D:BD:AD:D5:7A:02:0D:45:70:D5:B9:A2:50:73: 2B:FB:40:76:17:C0:22 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 : May 19 00:08:06.700 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:16:FE:14:FA:81:C1:B2:D5:7D:DD:49:0E: B3:3B:4C:A7:D3:23:2B:89:FE:19:D2:15:F1:B1:2F:05: D9:F2:9A:1A:02:21:00:F7:EF:57:F4:D9:2E:EE:6A:02: 0B:09:2B:47:CF:66:AB:4A:F5:80:4F:71:D0:E1:2D:65: BA:4B:D7:70:7C:56:23
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-22T07:23:02+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
2020-09-24T00:00:00+00:00
Expires
2030-09-23T23:59:59+00:00
Days remaining
1462
Serial (hex)
085F94C02D857BE8CC14FF53EDA23E2A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

1F:8E:B9:E9:A8:E0:66:CC:5B:38:33:E0:6B:31:29:76:4B:62:26:39:D5:B1:63:F6:00:E1:C7:91:20:BF:3E:ED
Certificate extensions & PEM
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
basicConstraints
CA:TRUE, pathlen:0
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 Full Name: URI:http://crl4.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
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

Registration / WHOIS →DNS records →