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

tomas.uz · 217.29.127.79:443

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=*.tomas.uz
Issuer
C=US ST=Texas L=Houston O=SSL Corporation CN=SSL.com RSA SSL subCA
Valid from
2026-05-04T15:34:04+00:00
Expires
2026-11-18T15:34:04+00:00
Days remaining
52
Serial (hex)
51DF966595DC6A050CF794C5C26FAED3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.tomas.uz, DNS:tomas.uz

SHA-256 fingerprint

F3:5D:19:0F:7E:6E:FE:E7:E3:BE:46:8F:2B:1C:4B:65:59:D7:68:9B:4C:F8:B1:56:DA:32:A4:EF:BE:10:34:E1
Certificate extensions & PEM
basicConstraints
CA:FALSE
authorityKeyIdentifier
26:14:7E:E0:DC:D7:A6:F7:E2:D4:04:27:DF:61:F1:C2:EC:E7:32:CA
authorityInfoAccess
CA Issuers - URI:http://cert.ssl.com/SSLcom-SubCA-SSL-RSA-4096-R1.cer OCSP - URI:http://ocsps.ssl.com
subjectAltName
DNS:*.tomas.uz, DNS:tomas.uz
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.38064.1.3.1.1
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crls.ssl.com/SSLcom-SubCA-SSL-RSA-4096-R1.crl
subjectKeyIdentifier
36:B0:E7:EF:5C:A9:41:FA:2D:36:C4:B8:58:7E:52:9B:18:F2:65:65
keyUsage
Digital Signature, Key Encipherment
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 4 15:44:05.937 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C2:38:D6:B5:99:77:03:74:65:B9:92: 83:9E:A7:DA:8B:73:8A:56:1B:C3:93:3F:3F:98:60:97: E8:5D:DE:02:96:02:21:00:80:89:0D:01:FC:94:F1:4D: 31:A8:AF:4C:C6:EE:6A:F2:43:7B:1B:CB:30:FD:F0:17: 1F:BA:03:D7:F7:04:08:56 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 : May 4 15:44:05.964 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7A:BD:BB:D4:DD:90:4F:5E:69:16:73:5D: CA:E1:13:49:92:FA:05:6F:67:04:A8:60:86:C0:03:71: F4:DD:34:35:02:20:5E:94:D1:4D:E6:88:AD:7E:4B:61: EA:F6:84:23:85:B8:E2:E6:29:8E:CC:5C:A4:DD:0E:57: 6D:0A:DC:1F:B6:D9 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 4 15:44:05.974 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:65:36:79:68:53:B0:BF:22:00:E1:69:11: E0:25:F4:AA:1D:23:D1:E6:ED:4A:B4:17:D5:D6:10:A2: 22:54:AE:39:02:21:00:E8:26:1D:E7:3F:EB:E0:2E:BD: D2:A3:28:C8:66:2A:B5:2E:2C:1A:AE:86:3F:E7:BC:0C: E3:6F:A6:2C:B8:E4:5A
-----BEGIN CERTIFICATE-----
MIIHDjCCBPagAwIBAgIQUd+WZZXcagUM95TFwm+u0zANBgkqhkiG9w0BAQsFADBp
MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hvdXN0b24x
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ftXATdS5bvbKMGHy/j3Zg5sGBTvfxReuHKVLCOo5SlCX8w==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-27T12:06:02+00:00

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

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