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

studioscalabrini.net · 195.110.124.188:443

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
C=IT ST=Firenze O=Register spa CN=*.dadapro.com
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA OV R36
Valid from
2026-10-13T00:00:00+00:00
Expires
2027-04-29T23:59:59+00:00
Days remaining
188
Serial (hex)
244E6DC6219D774BC02607BB077AD606
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.dadapro.com, DNS:dadapro.com

SHA-256 fingerprint

16:CC:72:E0:63:4E:30:4B:AF:BC:CD:6E:82:DD:D3:D7:ED:23:E1:E4:53:82:76:36:D5:EC:82:E2:CA:26:09:FA
Certificate extensions & PEM
authorityKeyIdentifier
E3:66:74:BB:70:68:8D:2C:5D:4E:0E:A6:4A:8F:9B:37:22:9C:82:92
subjectKeyIdentifier
F9:EF:7D:B3:13:73:D6:A7:3E:BA:6D:5A:FE:82:03:62:08:ED:C4:68
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.1.3.4 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationCAOVR36.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCAOVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.dadapro.com, DNS:dadapro.com
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Oct 13 13:55:08.153 2026 GMT Extensions: 00:00:05:00:0C:72:A1:AE Signature : ecdsa-with-SHA256 30:45:02:21:00:F5:A4:A6:92:0A:0A:59:0B:3A:DC:31: A9:07:0C:08:70:0D:AF:64:87:C0:D1:31:C4:37:35:F4: 1B:AA:F4:AA:69:02:20:35:44:75:78:BB:5D:E8:96:FB: 3C:D8:5D:92:D2:F2:5E:86:14:5B:95:8C:A7:6A:CA:AE: B8:10:D2:07:C7:06:01 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Oct 13 13:55:08.160 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A7:32:7E:33:E5:23:8C:AC:90:F8:F6: DE:6E:5A:C7:73:BB:78:3F:D0:AE:31:C5:08:18:1B:D0: A4:39:29:16:4E:02:21:00:CB:8B:4D:E8:33:73:B6:53: 7E:3B:DA:83:3E:D6:7F:72:D5:83:98:B4:14:35:1D:9D: 35:B3:0D:BB:32:55:22:56 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1: AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E Timestamp : Oct 13 13:55:08.600 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:76:DB:33:11:C1:5E:99:55:19:63:E0:57: 70:8B:00:EC:85:ED:94:27:EA:72:24:EF:3E:81:D1:C7: 5A:F9:14:E5:02:21:00:D3:4B:53:22:AE:C9:75:FD:E1: 45:B4:9F:DE:B4:37:7F:DB:D6:2A:21:9E:E8:64:78:5D: 9C:BB:7E:BC:DD:2F:3C
-----BEGIN CERTIFICATE-----
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MQswCQYDVQQGEwJHQjEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD
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SDD0g5PRl9XW9FseQT9chLWnEhGOciMaIZt8RIRl9eI=
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-23T00:25:38+00:00

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

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