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

marcatel.net.mx · 201.168.65.43:443

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
The certificate has expired.

Certificate verification failed

Subject
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=cluster3 emailAddress=root@cluster3
Issuer
C=-- ST=SomeState L=SomeCity O=SomeOrganization OU=SomeOrganizationalUnit CN=cluster3 emailAddress=root@cluster3
Valid from
2013-05-03T17:56:55+00:00
Expires
2014-05-03T17:56:55+00:00
Days remaining
-4542
Serial (hex)
4653
Signature
RSA-SHA1
Public key
RSA 1024

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

36:C7:7F:C6:CE:C8:AD:37:A6:C7:F6:35:D5:96:26:CD:2A:D5:8C:19:93:3D:E7:2F:09:29:29:AC:1D:62:1A:16
Certificate extensions & PEM
subjectKeyIdentifier
1F:A1:A4:6F:4C:A1:77:36:8D:F1:1B:85:54:F9:6E:17:D2:CB:1D:40
authorityKeyIdentifier
1F:A1:A4:6F:4C:A1:77:36:8D:F1:1B:85:54:F9:6E:17:D2:CB:1D:40
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-09T07:44:35+00:00

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

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