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

TLSv1.2

ns2.datafon.net.tr · 91.102.161.11:443

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
2020-07-23T17:45:32+00:00
Expires
2047-12-08T17:45:32+00:00
Days remaining
7740
Serial (hex)
CDB954267F9E0D48
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

5E:28:3F:E9:92:4E:25:BF:83:EB:A2:3F:A4:9F:6E:EA:30:A6:20:63:DA:B3:05:E4:73:D1:D8:F8:B0:19:E0:B2
Certificate extensions & PEM
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-29T05:56:40+00:00

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

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