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

TLSv1.2

aapt.com.au · 27.32.28.94:443

Verified
The certificate expires within 30 days.

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

Subject
C=AU ST=New South Wales L=Barangaroo O=TPG Telecom Limited CN=tpgtelecom.com.au
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2025-10-22T00:00:00+00:00
Expires
2026-10-21T23:59:59+00:00
Days remaining
28
Serial (hex)
0D3589E874552CCA21F58609BF5BBB2C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:tpgtelecom.com.au, DNS:www.tpgtelecom.com.au, DNS:blog.internode.on.net, DNS:www.aapt.com.au, DNS:aapt.com.au, DNS:www.iinet.net.au, DNS:iinet.net.au, DNS:www.internode.on.net, DNS:internode.on.net, DNS:www.westnet.com.au, DNS:westnet.com.au, DNS:blog.iinet.net.au

SHA-256 fingerprint

45:CB:11:60:D1:8C:6B:07:5E:B7:0F:99:ED:3A:B4:35:E9:98:E2:1C:9A:55:22:72:6A:69:10:C1:19:F2:6E:FE
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
22:A3:AC:48:0F:CB:DC:8C:B8:D7:AD:0D:0C:27:B3:FB:F8:04:7C:77
subjectAltName
DNS:tpgtelecom.com.au, DNS:www.tpgtelecom.com.au, DNS:blog.internode.on.net, DNS:www.aapt.com.au, DNS:aapt.com.au, DNS:www.iinet.net.au, DNS:iinet.net.au, DNS:www.internode.on.net, DNS:internode.on.net, DNS:www.westnet.com.au, DNS:westnet.com.au, DNS:blog.iinet.net.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 : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 22 04:10:48.823 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:72:86:E6:BA:A0:50:62:ED:8D:C7:43:1D: 03:A4:FA:8A:D5:2A:C4:5F:DD:4D:AC:6A:64:70:98:08: A8:86:C1:70:02:21:00:BE:8F:3A:FB:B7:27:87:D3:A2: 29:81:65:FE:8D:9D:17:3F:EE:E1:2A:5B:A1:07:2C:65: 62:46:41:D5:6E:31:6A 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 : Oct 22 04:10:48.807 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:65:11:FE:A3:59:C4:47:BD:82:07:1F:B6: DA:06:D1:7F:C0:42:D2:00:B8:80:81:EC:AE:3A:33:06: B2:3C:24:10:02:21:00:E2:AE:57:B4:BB:69:6B:65:85: AE:9D:F4:61:C9:44:EF:1E:45:4D:88:88:AD:1D:EC:B3: FB:CF:BF:45:F5:EB:DC 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 : Oct 22 04:10:48.823 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4D:87:4B:35:EA:44:9F:8C:93:E1:BD:62: BC:3D:5E:55:22:2D:D2:74:60:B6:27:42:9B:EA:5F:1E: 4B:62:4C:86:02:21:00:B3:4F:A4:1D:04:96:C0:94:C7: 8A:31:38:20:9C:92:0F:72:F1:4C:2D:CE:60:F1:1C:5E: 04:DC:02:65:F9:3B:4C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: AES256-GCM-SHA384 · Checked 2026-09-23T03:33:46+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
1648
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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