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

geodns.pro · 5.252.32.9:443

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= ST=No-Sni O=No-Sni
Issuer
C= ST=No-Sni O=No-Sni
Valid from
2022-03-10T13:19:43+00:00
Expires
2032-03-07T13:19:43+00:00
Days remaining
1945
Serial (hex)
62E383C4D7E4089FF3E15E7FDC2A69B550965F4B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8A:86:F1:54:8B:90:AA:A6:15:3B:F6:5C:83:B5:C0:EA:63:8D:35:A2:86:71:F3:BC:0E:79:10:34:E6:CA:21:F2
Certificate extensions & PEM
subjectKeyIdentifier
E9:32:05:C8:51:72:D7:61:C2:4B:42:60:7F:C0:5F:8C:ED:8D:30:F7
authorityKeyIdentifier
E9:32:05:C8:51:72:D7:61:C2:4B:42:60:7F:C0:5F:8C:ED:8D:30:F7
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-09T03:43:20+00:00

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

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