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

dingtalk.com · 106.11.43.136:443

Verified

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

Subject
C=CN ST=Zhejiang L=Hangzhou O=Alibaba (China) Technology Co., Ltd. CN=*.dingtalk.com
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 OV TLS CA 2025
Valid from
2026-09-07T06:11:53+00:00
Expires
2027-03-25T06:11:53+00:00
Days remaining
155
Serial (hex)
7125B4D55C7C68BE94E2054F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.dingtalk.com, DNS:dingtalk.com

SHA-256 fingerprint

47:79:33:44:02:E4:CA:C5:0D:AE:01:D4:EC:4A:FE:4E:4D:DE:DD:13:AF:20:72:48:26:6B:59:AC:05:7E:87:DA
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46ovtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46ovtlsca2025
certificatePolicies
Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46ovtlsca2025.crl
subjectAltName
DNS:*.dingtalk.com, DNS:dingtalk.com
authorityKeyIdentifier
69:74:3E:AF:C3:5B:01:95:49:EE:14:41:5A:93:FA:B1:30:98:DA:A2
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
4C:BD:6B:C0:E9:94:12:53:4B:CA:3D:AF:2B:FB:C3:99:C2:7F:67:96
ct_precert_scts
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 : Sep 7 06:11:55.648 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:98:1D:EC:20:F0:63:DA:40:EA:22:FC: 98:12:EF:61:0B:CA:33:31:83:4F:79:93:E0:0A:F1:24: 56:F0:E1:C6:BA:02:20:60:53:94:E4:2D:77:0F:09:CB: 52:A7:CD:97:AA:CB:64:E9:C2:C7:07:81:0A:49:6B:F5: E1:B4:A2:CE:AF:3D:35 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 : Sep 7 06:11:55.464 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:83:01:B2:A3:5F:92:11:15:88:FB:68: 3F:48:AA:66:F7:D6:92:32:06:00:2C:11:5D:EA:A7:2A: 75:10:19:23:C3:02:21:00:86:0B:78:81:FB:EB:62:C2: 48:69:C2:C5:1C:C1:1B:83:0E:16:B1:D4:E8:C6:CA:97: E7:1D:45:06:92:A2:B3:67 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Sep 7 06:11:55.445 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A4:7F:DB:F0:2A:5D:A4:99:0E:B8:D7: 62:ED:CC:F5:EC:65:9F:01:93:C0:78:69:11:2C:F3:8D: D7:46:ED:7E:7E:02:21:00:D0:5A:46:AE:E0:19:2B:F3: 1E:E9:48:01:6F:03:B1:80:80:E7:44:9A:4F:43:0C:9C: 3F:2C:69:68:32:D6:E3:B7
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-20T17:43:13+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 OV TLS CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-09-17T02:55:56+00:00
Expires
2029-06-23T00:00:00+00:00
Days remaining
976
Serial (hex)
84435890836F67394182CB9C9A5DC99F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D1:60:E2:DE:4E:56:CB:10:B6:6C:1C:B0:AD:CB:79:CF:93:C7:8D:CD:9D:B3:0C:20:18:22:02:62:C0:40:63:F9
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
69:74:3E:AF:C3:5B:01:95:49:EE:14:41:5A:93:FA:B1:30:98:DA:A2
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.4146.10.1.2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
2019-11-20T00:00:00+00:00
Expires
2028-01-28T00:00:00+00:00
Days remaining
464
Serial (hex)
75A8BAD68321350B5B0BAC34E1CE389F
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A5:E3:3C:28:E3:01:3A:71:F5:F7:60:AE:3B:16:59:50:90:04:3D:2E:C5:20:9E:C5:29:03:C4:FB:AD:25:8D:AD
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----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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