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

tech.turkbil.net.tr · 185.153.229.3:443

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=US ST=Someprovince L=Sometown O=none OU=none CN=localhost emailAddress=webmaster@localhost
Issuer
C=US ST=Someprovince L=Sometown O=none OU=none CN=localhost emailAddress=webmaster@localhost
Valid from
2023-10-10T10:49:02+00:00
Expires
2051-02-24T10:49:02+00:00
Days remaining
8907
Serial (hex)
64BAEC3D4C9625A50103BE4BB938BF54B4961509
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

00:7F:3C:F5:F7:AB:E5:52:7D:1E:44:D3:2E:0D:CA:2D:04:3C:56:AA:F2:B4:47:F2:5E:4B:D5:AD:1D:58:74:32
Certificate extensions & PEM
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-05T12:11:19+00:00

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

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