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

ns.smlines.com · 203.246.131.9:443

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
emailAddress=sysadmin@smlines.com CN=ns.smlines.com
Issuer
emailAddress=sysadmin@smlines.com CN=ns.smlines.com
Valid from
2025-11-14T04:24:27+00:00
Expires
2028-11-13T04:24:27+00:00
Days remaining
746
Serial (hex)
47F728239D63A44FB6AE51F9C1458FED
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

IP Address:203.246.131.9

SHA-256 fingerprint

51:D9:4F:0A:EE:60:1A:82:69:3A:9E:39:5F:B8:94:97:2D:C7:AC:32:19:FC:44:EB:18:F0:1E:5F:D8:C9:D8:EA
Certificate extensions & PEM
subjectAltName
IP Address:203.246.131.9
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----
MIIDJzCCAg+gAwIBAgIQR/coI51jpE+2rlH5wUWP7TANBgkqhkiG9w0BAQsFADA+
MSMwIQYJKoZIhvcNAQkBFhRzeXNhZG1pbkBzbWxpbmVzLmNvbTEXMBUGA1UEAwwO
bnMuc21saW5lcy5jb20wHhcNMjUxMTE0MDQyNDI3WhcNMjgxMTEzMDQyNDI3WjA+
MSMwIQYJKoZIhvcNAQkBFhRzeXNhZG1pbkBzbWxpbmVzLmNvbTEXMBUGA1UEAwwO
bnMuc21saW5lcy5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDB
n6lW68O6w2lHJzr7GPJxF1Tkr0Z0ziUFG3N034+rWD1pn5PrIoy/IiuaeRpNGA6d
g04fB0s4g1gyAbURP8dKjVur9ZOa7/u+5lzalTck9+zkvJwiB05dfhYnJWneykZB
lbtWpp9EMIGVMmQXWaFj/isxkb6NUqFTj3S5z/JEhQCQq5hdwuP7sPW5/Obopk8U
DVLLjhQn4UxjFaZo6GnpPlz5w83eASyA4VWmsDyfLaIB1w1/USk0IT/6mU6h+pfD
IEEEzr/Mc16wVKIKCOataFY0wAVylagYiqXLM09h1ymq+/WaSn4hsK9UnyhYA5oa
QJQjn80XU+e8ZyYRF0yPAgMBAAGjITAfMA8GA1UdEQQIMAaHBMv2gwkwDAYDVR0T
BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAh+AiMtHo/rDsPMH7SYyWKeM8Q9Um
eio3i1F5Jp5ekSgUCaC28/gsqP31wdCozeEi9J0GQ9HYhrXnGbAjMsuhNY1GcUBN
DvMB9SUCBY9q5P/6BYXC08/rEUp2wEJQK5nWuHA71tSK4RRHFBlbG65LZTv+/irA
2r6dQreiyqJtBMw2sggmtcglvpkOuOWYHmKc68PDF0XDQa7tIVuFointNSysO4of
vYkZb+QpsxCk89aFFPamB+FjqVquRRGwsw5yLuc8LVRYOo51svvXWMdR6wXf2Hqq
8bv1WBTw6kc09BJwuhMvx+5TLSXkX2f1hcaKp4+9rP66mozOyplcl1k3nA==
-----END CERTIFICATE-----

Cipher: DHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-28T10:06:09+00:00

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

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