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

uewaf.com · 2401:3480:210::7532:4628:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
C=CN ST=Shanghai L=Shanghai O=UCloud OU=Cloud Security CN=*.waf.ucloud.cn emailAddress=waf@ucloud.cn
Issuer
C=CN ST=Shanghai L=Shanghai O=UCloud OU=Cloud Security CN=*.waf.ucloud.cn emailAddress=waf@ucloud.cn
Valid from
2026-06-30T06:32:22+00:00
Expires
2126-06-06T06:32:22+00:00
Days remaining
36386
Serial (hex)
4F4B383193ED4CD362B40033CC3EF850B5CCEED4
Signature
ecdsa-with-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

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

SHA-256 fingerprint

91:80:CE:F1:B0:19:00:0A:79:70:05:53:A5:7C:0F:C8:42:7B:CC:F7:C3:A5:F0:69:7F:2F:89:6A:A7:B6:72:9E
Certificate extensions & PEM
subjectKeyIdentifier
79:19:35:16:7B:D6:4C:BC:53:F5:3C:D5:AB:AE:A9:54:2C:E3:60:DD
authorityKeyIdentifier
79:19:35:16:7B:D6:4C:BC:53:F5:3C:D5:AB:AE:A9:54:2C:E3:60:DD
basicConstraints
CA:TRUE
subjectAltName
DNS:*.waf.ucloud.cn, DNS:waf.ucloud.cn
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-21T19:52:42+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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