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

neotech-s.com · 95.212.144.122:443

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
CN=neotech-s.com
Issuer
C=US O=Let's Encrypt CN=R13
Valid from
2026-02-23T12:11:53+00:00
Expires
2026-05-24T12:11:52+00:00
Days remaining
-140
Serial (hex)
05FCBC6EB478CDB252F1C3A32AE96D6DFA30
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:neotech-s.com, DNS:www.neotech-s.com

SHA-256 fingerprint

F3:33:02:A5:15:B8:F9:54:59:18:F7:02:1B:D8:E7:AA:26:21:C7:FC:C1:35:D0:F8:5A:D2:D2:43:5B:8C:E4:DB
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
F1:9A:F6:0F:54:0D:29:ED:EC:27:72:F9:90:24:DD:4B:A4:BA:39:B6
authorityKeyIdentifier
E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33
authorityInfoAccess
CA Issuers - URI:http://r13.i.lencr.org/
subjectAltName
DNS:neotech-s.com, DNS:www.neotech-s.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://r13.c.lencr.org/49.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Feb 23 13:10:23.187 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F2:F2:5E:13:8A:82:6D:9E:18:14:66: 76:A7:E0:BD:67:94:4F:8F:31:FA:96:E7:EA:F2:1C:62: 99:B6:3E:6B:31:02:20:0E:06:87:09:D9:C2:FB:1B:B6: 3C:83:33:D1:42:36:D1:FB:F7:F4:47:29:D6:56:A6:E0: C4:E9:9B:82:AB:E5:0D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A5:C9:78:92:5D:57:46:17:82:87:0D:D8:89:66:0B:5C: 55:64:8B:7D:00:40:F2:EC:07:68:51:D1:88:69:19:F7 Timestamp : Feb 23 13:10:23.285 2026 GMT Extensions: 00:00:05:00:33:2D:13:42 Signature : ecdsa-with-SHA256 30:44:02:20:04:47:9F:A7:2F:05:B2:68:2D:5E:FB:82: 15:57:AA:E5:ED:57:45:9B:17:A6:2E:BD:F2:EF:C3:E7: A1:D4:18:2F:02:20:0A:C8:FC:F7:84:9E:AC:1C:3F:7D: 3D:81:7A:5A:52:1D:2E:34:CA:92:E6:06:13:0A:30:A9: 0F:A6:1A:C4:57:1D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-11T00:08:40+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=R13
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2024-03-13T00:00:00+00:00
Expires
2027-03-12T23:59:59+00:00
Days remaining
152
Serial (hex)
5A00F212D8D4B480F3924157EA298305
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D3:B1:28:21:6A:84:3F:8E:F1:32:15:01:F5:DF:52:A5:DF:52:93:9E:E2:C1:92:97:71:2C:D3:DE:4D:41:93:54
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

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

View certificate JSON

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