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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

htdc.org · 151.101.194.228:443

Verified

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

Subject
C=US ST=Hawaii L=Honolulu O=Hawaii Technology Development Corporation CN=htdc.org
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-08-13T00:00:00+00:00
Expires
2027-02-27T23:59:59+00:00
Days remaining
157
Serial (hex)
07ADFAEE7F83739AA933C7CCCAC4A0A3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:htdc.org, DNS:www.htdc.org

SHA-256 fingerprint

68:10:37:38:B6:01:C7:5B:25:7D:B9:8E:40:AD:A0:F4:64:A7:82:8B:8D:97:DB:98:03:2A:FF:5C:AA:11:34:AD
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
31:BA:2C:7B:43:E2:61:7A:AD:44:38:A2:CD:35:4A:F5:E1:11:3A:67
subjectAltName
DNS:htdc.org, DNS:www.htdc.org
certificatePolicies
Policy: 2.23.140.1.2.2 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://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 : 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 13 23:03:14.234 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F7:E9:AD:5E:B6:97:7B:FE:65:74:34: 40:3C:2D:65:74:E6:7C:26:82:4C:5C:F8:F5:65:F3:01: 6A:39:AA:9A:64:02:20:4F:AC:57:61:3D:B8:AF:8C:60: 4F:F1:16:50:82:0B:1C:00:EB:3E:3D:AF:A5:FA:9E:6F: 41:97:C4:33:22:3B:6F 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 : Aug 13 23:03:14.219 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1F:00:61:DC:06:ED:57:76:8B:A2:01:74: 0C:E7:75:A3:5C:5B:F5:9E:BF:9B:D4:BA:70:69:CD:65: 55:05:27:48:02:20:3F:18:57:29:AE:C4:C6:B8:A8:5F: A6:5C:FB:3E:C7:A0:FF:2F:10:32:2D:F0:1E:24:6F:76: 59:9C:D8:75:AE:33 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 13 23:03:14.420 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8B:3A:3C:F3:D3:53:B9:09:F4:8F:6A: 9A:81:EF:3F:AB:B9:55:A7:C6:A8:9D:E4:56:A8:10:E2: B1:42:CB:A7:21:02:20:14:63:BC:04:56:7E:C1:7C:51: E5:CB:58:21:FE:27:1D:9F:63:4E:E0:CA:38:7E:FC:33: A2:03:82:4F:A5:6C:8D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-23T20:55:49+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.

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