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

ucloud.cn · 106.75.154.140:443

Verified

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

Subject
C=CN ST=上海市 O=优刻得科技股份有限公司 CN=*.ucloud.cn
Issuer
C=US O=DigiCert, Inc. CN=GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1
Valid from
2026-05-07T00:00:00+00:00
Expires
2026-11-21T23:59:59+00:00
Days remaining
60
Serial (hex)
01A68E1652426D1802B42F27F64F179B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.ucloud.cn, DNS:ucloud.cn

SHA-256 fingerprint

81:77:DE:D5:41:1A:68:05:47:EF:58:8D:7D:0A:F1:55:75:BA:38:50:7B:BE:C4:A9:F6:85:2B:C8:B9:25:49:A4
Certificate extensions & PEM
authorityKeyIdentifier
41:4E:8E:69:9D:F4:6E:25:EC:78:14:1C:7E:D7:CD:1D:99:CF:F9:6B
subjectKeyIdentifier
49:0D:76:35:58:C7:50:F6:64:7A:8D:60:3A:E4:9E:F4:BA:CB:69:AF
subjectAltName
DNS:*.ucloud.cn, DNS:ucloud.cn
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://crl.digicert.cn/GeoTrustG2TLSCNRSA4096SHA2562022CA1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.cn CA Issuers - URI:http://cacerts.digicert.cn/GeoTrustG2TLSCNRSA4096SHA2562022CA1.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 7 02:03:14.828 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8F:B3:93:C1:E4:83:9F:C0:1A:1F:79: 93:D4:8F:34:86:7C:47:A7:C4:00:56:DD:54:7D:B5:1A: 84:F4:2B:71:AD:02:20:26:13:62:8B:D2:16:E3:5D:80: 53:98:71:D7:BB:FF:6A:CA:AB:7C:D7:9B:58:D1:48:DA: 80:E5:15:21:6B:39:F7 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 7 02:03:14.815 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:96:42:59:AE:29:49:4B:C8:F7:EC:21: BF:44:8F:C1:1A:26:00:1B:F8:EC:D7:F9:99:3D:B6:D5: 49:39:25:BC:AC:02:21:00:AD:B1:57:58:27:93:AD:B7: 40:BB:EC:43:0B:92:B3:4F:00:B8:A1:26:C1:1C:00:49: 23:6D:1E:F4:C6:6C:B4:7A 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 7 02:03:14.841 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:39:33:9E:F1:0E:57:09:13:17:1A:FF:EE: 98:F0:54:56:CF:AA:B4:02:CE:76:0D:16:CB:42:6F:22: 82:D5:B6:88:02:20:1A:3C:BB:11:FA:9C:FA:FD:70:34: 0F:79:39:7B:68:F0:B2:9D:03:1E:4A:82:41:2D:70:FE: 9D:18:28:5C:8C:65
-----BEGIN CERTIFICATE-----
MIIHfTCCBWWgAwIBAgIQAaaOFlJCbRgCtC8n9k8XmzANBgkqhkiG9w0BAQsFADBb
MQswCQYDVQQGEwJVUzEXMBUGA1UEChMORGlnaUNlcnQsIEluYy4xMzAxBgNVBAMT
Kkdlb1RydXN0IEcyIFRMUyBDTiBSU0E0MDk2IFNIQTI1NiAyMDIyIENBMTAeFw0y
NjA1MDcwMDAwMDBaFw0yNjExMjEyMzU5NTlaMGMxCzAJBgNVBAYTAkNOMRIwEAYD
VQQIDAnkuIrmtbfluIIxKjAoBgNVBAoMIeS8mOWIu+W+l+enkeaKgOiCoeS7veac
iemZkOWFrOWPuDEUMBIGA1UEAwwLKi51Y2xvdWQuY24wggEiMA0GCSqGSIb3DQEB
AQUAA4IBDwAwggEKAoIBAQDzNpM1v7a6PhM879WnRjpMZj3i3zvgEMLAxA66GtQK
gSV+VdvhrTHbdEM4pbjB+NIEhvyC0R4a1x0Sv9LS7rkaL8guSfIAiUkd+L3li6hz
P7IukMnSa6q83nGVKo5HAc5r31q+l+oS2DSSPfoKd2XcsPpEN3HTLxH2f0jB1/4Q
oUZa0q24gm4ekyB4ZyL8zbYc7/0gzZqQ/pKWaklwwMTD075irJPI+hTsSDCQmESm
KFxED285gCSgvg8Ov9SCV3ydldiAZ+6aO/RQFtbyTVG6kN3kFsHGaEXbdOQMmL0C
hU7k0WW0Um5aB1NRlmO8Fc1MP0tAK/k+dAi5eQgjwLxPAgMBAAGjggMzMIIDLzAf
BgNVHSMEGDAWgBRBTo5pnfRuJex4FBx+180dmc/5azAdBgNVHQ4EFgQUSQ12NVjH
UPZkeo1gOuSe9LrLaa8wIQYDVR0RBBowGIILKi51Y2xvdWQuY26CCXVjbG91ZC5j
bjA+BgNVHSAENzA1MDMGBmeBDAECAjApMCcGCCsGAQUFBwIBFhtodHRwOi8vd3d3
LmRpZ2ljZXJ0LmNvbS9DUFMwDgYDVR0PAQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsG
AQUFBwMBME8GA1UdHwRIMEYwRKBCoECGPmh0dHA6Ly9jcmwuZGlnaWNlcnQuY24v
R2VvVHJ1c3RHMlRMU0NOUlNBNDA5NlNIQTI1NjIwMjJDQTEuY3JsMIGDBggrBgEF
BQcBAQR3MHUwIwYIKwYBBQUHMAGGF2h0dHA6Ly9vY3NwLmRpZ2ljZXJ0LmNuME4G
CCsGAQUFBzAChkJodHRwOi8vY2FjZXJ0cy5kaWdpY2VydC5jbi9HZW9UcnVzdEcy
VExTQ05SU0E0MDk2U0hBMjU2MjAyMkNBMS5jcnQwDAYDVR0TAQH/BAIwADCCAX4G
CisGAQQB1nkCBAIEggFuBIIBagFoAHYAwjF+V0UZo0XufzjespBB68fCIVoiv3/V
ta12mtkOUs0AAAGeACzGDAAABAMARzBFAiEAj7OTweSDn8AaH3mT1I80hnxHp8QA
Vt1UfbUahPQrca0CICYTYovSFuNdgFOYcde7/2rKq3zXm1jRSNqA5RUhazn3AHcA
1219ENGn9XfCx+lf1wC/+YLJM1pl4dCzAXMXwMjFaXcAAAGeACzF/wAABAMASDBG
AiEAlkJZrilJS8j37CG/RI/BGiYAG/js1/mZPbbVSTklvKwCIQCtsVdYJ5Ott0C7
7EMLkrNPALihJsEcAEkjbR70xmy0egB1AJROQ4f67MHvgfMZJCaoGGUBx9NfOAIB
P3JnfVU3LhnYAAABngAsxhkAAAQDAEYwRAIgOTOe8Q5XCRMXGv/umPBUVs+qtALO
dg0Wy0JvIoLVtogCIBo8uxH6nPr9cDQPeTl7aPCynQMeSoJBLXD+nRgoXIxlMA0G
CSqGSIb3DQEBCwUAA4ICAQA9qfKYGxHnnjz2mWhrs7K1Bzbwk8NtFYk3+SaYKcEP
f9Z9imBpmbs7ZkO3sA1ZlBirtM+eA2zsh93wmXAEhrdbe8SLd/W+iv5goJo2Hb+7
9F1yjx45orLDNhmBeU7Xd99YVEINCVHYjsdI2JWyCnmGiQroOwp+ltwHdUhMQ1PB
Cq5m0tRQRJLpUTFa9KvIWVk32nOnDPnc5NsrtX85I146Z9up//GJtdLGGFkO59uk
aK4RgRYLIyg1PxvWz8B8i02CWEWHU+I/0i4B3uj7ag3tLhyUKaDx4sJOO32YSWGP
E7qWLvVGuHRVh4TgEHFLoDgRhhHrCo7RxWpDTYciK8+92pPCVIM3XUEqIizo1ZJW
w2uVC3hizz/8ouulU1OxYzTusPk8E81eaDYpl42XBkHh3kWh9N1cFN0bCHaKXDEa
HXj4p7Amfsx/wr6UKPkbQGDP98awe1c/ZEaHfde8QbtkQuIR7g/0qLrt9WP2axlw
p+jcfn6N0prJyKbezmbNkO2eYr38sjL/B+lBJN+z0Aen/PeiD7oIBBVQBcKfnL1k
g80PkfVu8aC/MMVINUOHdufIZGNpB5s7dEViHL9DgU6LqYuwCYRMQ1eHEefDQgar
wwXNIvdDrIPq9PzvmGtQ+nCfVQUeLgxmMpMeOMdb3R0KPtMrEskSjAPAhgf0OyeJ
Uw==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T13:19:20+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert, Inc. CN=GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2022-12-15T00:00:00+00:00
Expires
2032-12-14T23:59:59+00:00
Days remaining
2275
Serial (hex)
0F06BB09306148267FCA1B71C1DB807D
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

05:DC:9E:DC:0F:DD:FA:97:5A:14:32:EF:80:6E:C7:80:07:8B:53:62:AD:45:AF:76:DB:15:C9:07:63:0D:B2:5D
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
41:4E:8E:69:9D:F4:6E:25:EC:78:14:1C:7E:D7:CD:1D:99:CF:F9:6B
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.cn CA Issuers - URI:http://cacerts.digicert.cn/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl.digicert.cn/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-----

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 CA
Valid from
2024-01-18T00:00:00+00:00
Expires
2031-11-09T23:59:59+00:00
Days remaining
1874
Serial (hex)
0FE032AB844D033106C50C8E13C8B068
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

79:D5:7B:15:DF:A6:5C:28:70:EA:FE:11:B6:37:76:59:09:CF:E9:37:B4:9C:15:CE:7F:19:40:30:CA:B3:95:AD
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
authorityKeyIdentifier
03:DE:50:35:56:D1:4C:BB:66:F0:A3:E2:1B:1B:C3:97:B2:3D:D1:55
keyUsage
Digital Signature, Certificate Sign, CRL Sign
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.cn CA Issuers - URI:http://cacerts.digicert.cn/DigiCertGlobalRootCA.crt
crlDistributionPoints
Full Name: URI:http://crl.digicert.cn/DigiCertGlobalRootCA.crl
certificatePolicies
Policy: X509v3 Any Policy
-----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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