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

redi.su · 212.66.33.69:443

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
CN=redi.su
Issuer
C=US O=Let's Encrypt CN=YE1
Valid from
2026-08-15T05:20:45+00:00
Expires
2026-11-13T05:20:44+00:00
Days remaining
37
Serial (hex)
064ECA514DEC31B8BF7200B3FEC347971157
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:redi.su

SHA-256 fingerprint

7C:B7:AD:7B:59:BA:B3:91:FB:9C:71:7E:60:2F:E3:F7:3E:FE:63:3A:85:C5:80:66:6A:2A:41:86:44:F4:70:BC
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
BE:8E:7E:61:62:02:28:36:E3:7E:15:52:1B:E1:E8:83:58:4F:1C:80
authorityKeyIdentifier
BB:20:CA:47:0B:FE:D7:E5:9C:F9:8F:09:2A:A3:8C:37:45:B1:BC:D8
authorityInfoAccess
CA Issuers - URI:http://ye1.i.lencr.org/
subjectAltName
DNS:redi.su
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://ye1.c.lencr.org/88.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 15 06:19:15.753 2026 GMT Extensions: 00:00:05:00:13:D5:11:A8 Signature : ecdsa-with-SHA256 30:44:02:20:4A:9D:B0:8E:6D:3D:CC:B4:3B:85:65:E8: 29:21:E6:3A:31:C6:3C:E0:E8:7B:D7:54:30:FA:DB:3D: 55:40:B7:86:02:20:74:29:F5:E8:D9:19:46:ED:96:75: 80:A3:5B:4E:74:85:3D:37:1F:CF:B8:8C:89:A3:0D:2A: 2C:98:2D:6A:E1:0B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Aug 15 06:19:15.523 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:12:23:F9:25:67:F7:D9:4F:CC:65:58:1C: 98:A7:10:F3:9C:E2:34:B8:46:0A:E4:0F:1C:20:81:95: 0F:12:A1:30:02:21:00:BB:F2:4F:70:12:A6:75:1C:24: 9D:43:D4:00:EC:98:14:0D:EC:3E:63:10:0D:9F:E1:2F: 54:89:BB:12:A2:F6:96
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-07T02:50:40+00:00

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

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