DNS
SSL certificate
TLSv1.3gnucleo.net · 190.210.212.74:443
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
The certificate has expired.
Certificate verification failed
- Subject
- CN=localhost
- Issuer
- CN=localhost
- Valid from
- 2025-06-26T21:19:49+00:00
- Expires
- 2026-06-26T21:19:49+00:00
- Days remaining
- -95
- Serial (hex)
- 7197616EF74249777ACDE7CB7DBE4A5369317502
- Signature
- RSA-SHA256
- Public key
- RSA 2048
Subject alternative names (SAN)
No SAN extension was presented.
SHA-256 fingerprint
03:6D:65:72:3A:02:2D:01:74:5C:2E:C6:C7:DC:E3:FE:4A:23:96:21:CF:82:A8:F1:BE:FF:22:0F:15:96:56:49
Certificate extensions & PEM
- subjectKeyIdentifier
- 93:2B:B9:7D:93:E7:DE:4C:35:A7:28:B4:59:6D:17:C4:84:68:E0:BA
- authorityKeyIdentifier
- 93:2B:B9:7D:93:E7:DE:4C:35:A7:28:B4:59:6D:17:C4:84:68:E0:BA
- basicConstraints
- CA:TRUE
-----BEGIN CERTIFICATE----- MIIDCTCCAfGgAwIBAgIUcZdhbvdCSXd6zefLfb5KU2kxdQIwDQYJKoZIhvcNAQEL BQAwFDESMBAGA1UEAwwJbG9jYWxob3N0MB4XDTI1MDYyNjIxMTk0OVoXDTI2MDYy NjIxMTk0OVowFDESMBAGA1UEAwwJbG9jYWxob3N0MIIBIjANBgkqhkiG9w0BAQEF AAOCAQ8AMIIBCgKCAQEAxFo5OI1ExLyRQcc4W8IJS2EISiF+LvIct5FQJ6oiq0ba 91dBpVRgMYKxzZznjr4o6rNHbcNkdEqZhlEXeWdwOO8RyQv1058Xvlk6AojsYPME rjYBOvzDSokRzS8Q8axmnNYIXYbU9an/1udV2tIia7lQaNNgAdQK7nNGZ+RGBdvO Mx823WaMPBScuB8O0siGY31F6++WS6Yf8F035PQZhHB3SR9z7cqCKswVDo2IQED6 LtmMk8ap9vGR37OUqU+ppDxiTUCHG2hQL/Z38FF06bMSlKR0OMVj9XGJYW2dMr0p 0EPktxCl0Z5U0QRQdC4aWn/17aXEUk2njtBjl3rhVQIDAQABo1MwUTAdBgNVHQ4E FgQUkyu5fZPn3kw1pyi0WW0XxIRo4LowHwYDVR0jBBgwFoAUkyu5fZPn3kw1pyi0 WW0XxIRo4LowDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAjas3 ATJUnSufnYllq5jqgZWUmDiZF9RgwGcbXpMjG60GpCOdHzgsdJADw1G6q4cC9p2q LyjPLWzXmbFHujKfXSOs+9/yYyV54yar13wnxKumtLb53eQsYCrjHzE8kkBLq3W9 9JUsENCZ7V1typdkRhCD4QGGB446JcGYfrHULjVR/tG/o1yzejV/TxrBOdcB+wLS nv07cP6ZYv37Q2a+Ao/W1HVxmODwIopGSSiWoe5BD1f47kqa1HjfH/evC14hODj0 qA74vDkcAH2I4a0lwl1ILOgQolpCkNqzjvRLDZuKeK+XgccRVHyT1I1c2bZzigHn G9FLfcTv6HxyJ0LjMQ== -----END CERTIFICATE-----
Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-29T04:03:27+00:00
One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.