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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

ihc.hk · 2.56.91.22:443

Verified

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

Subject
CN=ihc.hk
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-08-20T23:51:42+00:00
Expires
2026-11-18T23:51:41+00:00
Days remaining
48
Serial (hex)
0566C4DEC765F2A6414CC9D0CD8C94B5DA5D
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:ihc.hk, DNS:www.ihc.hk

SHA-256 fingerprint

69:82:DE:C7:51:F4:75:6F:C9:69:CF:90:C8:E0:7A:D6:6C:DF:DA:F7:09:63:E2:E3:23:81:DD:CA:4C:6A:AC:CE
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
8E:2B:85:92:AE:8A:99:32:CB:41:9D:EC:6D:43:BB:F0:96:69:5E:8C
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:ihc.hk, DNS:www.ihc.hk
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/94.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Aug 21 00:50:12.752 2026 GMT Extensions: 00:00:05:00:17:76:0D:11 Signature : ecdsa-with-SHA256 30:46:02:21:00:FD:8B:37:27:17:73:95:F7:C7:5F:60: 52:65:AB:46:9E:C7:1E:61:58:CA:96:B2:23:3F:0D:FF: E0:ED:BE:4A:D8:02:21:00:F2:4B:A0:FB:81:4C:BA:41: C1:07:85:B0:81:FD:5D:F8:EF:A2:DE:9C:A1:3A:4E:BE: 8E:04:13:7C:F6:77:B3:42 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Aug 21 00:50:12.779 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:DC:AD:2C:9A:94:1A:B5:F0:CE:2D:7E: 45:D0:DD:F2:B9:74:BA:4A:3B:DD:AB:C1:B7:DC:17:58: 84:54:CA:39:1F:02:21:00:8A:7B:A3:DC:44:B9:CC:38: 95:09:4E:C8:23:17:BB:D2:50:11:05:F2:F2:4F:0D:83: AD:19:86:61:49:02:21:8F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-01T10:17:43+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
702
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2163
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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