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

smtp.ukrindex.com · 194.88.218.46:443

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
CN=mail.ukrindex.com
Issuer
CN=mail.ukrindex.com
Valid from
2026-05-18T09:48:24+00:00
Expires
2036-05-15T09:48:24+00:00
Days remaining
3502
Serial (hex)
2314E4B4DEC10A0FCB3C04758C243486E6A19343
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:mail.ukrindex.com

SHA-256 fingerprint

9B:BE:E3:19:EF:7A:E8:BE:B5:37:6E:86:41:6A:26:F2:89:74:DF:64:2E:A7:09:A9:67:9B:1D:C4:47:1D:D7:41
Certificate extensions & PEM
basicConstraints
CA:FALSE
subjectAltName
DNS:mail.ukrindex.com
subjectKeyIdentifier
90:4D:6F:60:4C:25:E6:22:41:11:17:40:FF:61:8C:1E:07:3F:D2:4C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-13T01:42:05+00:00

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

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