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

hgcbroadband.com · 210.0.255.160:443

Verified

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

Subject
C=HK L=Tsing Yi O=HGC Global Communications Limited CN=*.hgcbroadband.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-10-27T00:00:00+00:00
Expires
2027-05-13T23:59:59+00:00
Days remaining
184
Serial (hex)
08D143CC848AB9574AC21ED965133719
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.hgcbroadband.com, DNS:hgcbroadband.com

SHA-256 fingerprint

66:43:59:7C:2C:71:36:E6:18:99:C5:EA:4E:F1:57:F4:06:FC:AD:38:B4:D0:8D:33:CE:0A:F1:C0:6F:91:0A:DE
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
53:91:F8:2C:AC:12:1C:B2:EB:51:E9:CC:65:48:B9:F2:4E:5C:5D:EF
subjectAltName
DNS:*.hgcbroadband.com, DNS:hgcbroadband.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 : 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 27 06:26:54.515 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FC:9C:D2:D1:BB:FB:C5:6B:52:98:77: 78:10:B1:76:A8:2C:2F:E4:85:EB:5C:28:F4:E7:CF:2E: A3:8A:FD:3F:60:02:20:10:4E:D3:02:10:6B:DB:16:9B: 0F:3E:CF:78:E4:DA:51:9E:25:F4:EA:36:1D:09:0B:D1: 32:2B:31:09:6D:EE:BC 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 27 06:26:54.522 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BF:31:7E:49:13:00:72:0D:D2:84:FE: 31:7E:EA:A0:3F:DC:EA:DF:B5:13:9C:9B:98:8A:6B:C5: 47:AC:1C:7F:C1:02:20:3E:93:18:13:33:08:A0:08:3A: 95:3A:07:A1:51:79:42:7C:12:8C:45:5B:2F:46:AE:A8: DA:AC:EE:F3:7E:91:CB 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 : Oct 27 06:26:54.739 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:27:09:C9:BB:E4:9F:82:2E:17:23:62:FD: 1B:0B:43:C1:7E:CE:8C:52:1C:8D:DB:64:B7:87:87:ED: D2:EB:38:BF:02:20:06:DD:98:6A:02:3A:66:26:4C:4E: FC:3F:AC:C8:FB:8A:0F:E2:52:4F:A4:61:C4:9E:75:24: E9:07:AE:2B:08:0C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-10T10:54:50+00:00

Server-presented chain · 2 additional certificates

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
1600
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-----
MIIEyDCCA7CgAwIBAgIQDPW9BitWAvR6uFAsI8zwZjANBgkqhkiG9w0BAQsFADBh
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
MjAeFw0yMTAzMzAwMDAwMDBaFw0zMTAzMjkyMzU5NTlaMFkxCzAJBgNVBAYTAlVT
MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxMzAxBgNVBAMTKkRpZ2lDZXJ0IEdsb2Jh
bCBHMiBUTFMgUlNBIFNIQTI1NiAyMDIwIENBMTCCASIwDQYJKoZIhvcNAQEBBQAD
ggEPADCCAQoCggEBAMz3EGJPprtjb+2QUlbFbSd7ehJWivH0+dbn4Y+9lavyYEEV
cNsSAPonCrVXOFt9slGTcZUOakGUWzUb+nv6u8W+JDD+Vu/E832X4xT1FE3LpxDy
FuqrIvAxIhFhaZAmunjZlx/jfWardUSVc8is/+9dCopZQ+GssjoP80j812s3wWPc
3kbW20X+fSP9kOhRBx5Ro1/tSUZUfyyIxfQTnJcVPAPooTncaQwywa8WV0yUR0J8
osicfebUTVSvQpmowQTCd5zWSOTOEeAqgJnwQ3DPP3Zr0UxJqyRewg2C/Uaoq2yT
zGJSQnWS+Jr6Xl6ysGHlHx+5fwmY6D36g39HaaECAwEAAaOCAYIwggF+MBIGA1Ud
EwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFHSFgMBmx9833s+9KTeqAx2+7c0XMB8G
A1UdIwQYMBaAFE4iVCAYlebjbuYP+vq5Eu0GF485MA4GA1UdDwEB/wQEAwIBhjAd
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwdgYIKwYBBQUHAQEEajBoMCQG
CCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdpY2VydC5jb20wQAYIKwYBBQUHMAKG
NGh0dHA6Ly9jYWNlcnRzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEdsb2JhbFJvb3RH
Mi5jcnQwQgYDVR0fBDswOTA3oDWgM4YxaHR0cDovL2NybDMuZGlnaWNlcnQuY29t
L0RpZ2lDZXJ0R2xvYmFsUm9vdEcyLmNybDA9BgNVHSAENjA0MAsGCWCGSAGG/WwC
ATAHBgVngQwBATAIBgZngQwBAgEwCAYGZ4EMAQICMAgGBmeBDAECAzANBgkqhkiG
9w0BAQsFAAOCAQEAkPFwyyiXaZd8dP3A+iZ7U6utzWX9upwGnIrXWkOH7U1MVl+t
wcW1BSAuWdH/SvWgKtiwla3JLko716f2b4gp/DA/JIS7w7d7kwcsr4drdjPtAFVS
slme5LnQ89/nD/7d+MS5EHKBCQRfz5eeLjJ1js+aWNJXMX43AYGyZm0pGrFmCW3R
bpD0ufovARTFXFZkAdl9h6g4U5+LXUZtXMYnhIHUfoyMo5tS58aI7Dd8KvvwVVo4
chDYABPPTHPbqjc1qCmBaZx2vN4Ye5DUys/vZwP9BFohFrH/6j/f3IL16/RZkiMN
JCqVJUzKoZHm1Lesh3Sz8W2jmdv51b2EQJ8HmA==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4084
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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 →