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

mg5.so-net.net.tw · 27.105.63.65:443

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=TW ST=Taiwan L=Teipei O=GC OU=IT CN=IT emailAddress=ysyang@green-computing.com
Issuer
C=TW ST=Taiwan L=Teipei O=GC OU=IT CN=IT emailAddress=ysyang@green-computing.com
Valid from
2015-10-19T14:59:40+00:00
Expires
2025-10-16T14:59:40+00:00
Days remaining
-386
Serial (hex)
89AD46FEBE808E22
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

06:8E:B6:0C:B8:82:CF:A7:39:19:7B:74:42:30:85:B3:8C:2E:06:1F:C1:7F:1D:B9:F2:DC:90:81:43:C1:B2:64
Certificate extensions & PEM
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-06T09:12:42+00:00

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

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