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THE CERTIFICATE BEHIND THE CONNECTION

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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

apuainet.ag · 208.83.82.1:443

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=www.apuainet.ag
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-09-28T00:00:00+00:00
Expires
2027-04-14T23:59:59+00:00
Days remaining
160
Serial (hex)
E17642FAF72F8BB6F0AC623B0C5E718A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.apuainet.ag

SHA-256 fingerprint

4D:E9:10:AB:3F:B9:C2:52:3E:9E:0C:FB:9B:54:5A:D1:94:81:9E:02:94:43:64:8D:63:46:7B:CF:62:45:0A:9C
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
69:76:B3:97:46:1C:DA:4F:D6:C4:7E:65:AC:BC:42:92:C1:DD:D2:A2
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:www.apuainet.ag
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Sep 28 17:39:28.225 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:87:DB:DE:9A:D8:D7:A2:14:CA:80:C8: AA:96:C9:F6:DE:06:8A:FD:7E:E0:E3:EC:90:B4:B4:EC: 41:CE:A5:C6:54:02:21:00:EC:B1:FD:6C:C6:BA:02:D7: 3D:0B:37:B0:6C:29:1F:B1:E9:3F:A7:FD:C5:95:9E:FE: B5:69:55:53:2B:82:72:F4 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:A2:39:67:C6:0D:B6:46:87:C6:6F:3D:F9:99:94:76: 93:A6:A6:11:20:84:57:D5:55:E7:E3:D0:A1:D9:B6:46 Timestamp : Sep 28 17:39:28.604 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CE:94:70:8F:A4:6B:94:C9:6E:C7:4C: 85:73:5F:28:3B:78:3A:D5:B5:4A:F9:7B:7A:E2:0E:00: 89:41:B5:C8:C0:02:20:39:4A:04:06:F8:07:D3:13:A1: A3:DD:DE:4A:C5:19:FF:89:96:2F:59:41:C3:BC:43:2C: 1A:19:6A:EF:5B:37:65 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 : Sep 28 17:39:28.667 2026 GMT Extensions: 00:00:05:00:05:EB:5F:AA Signature : ecdsa-with-SHA256 30:45:02:21:00:D9:03:9C:05:4E:DF:BE:5F:29:9A:17: 7B:17:13:42:15:5E:8F:F3:D5:73:78:3E:FC:67:13:52: F3:22:89:B4:17:02:20:78:B0:F0:35:71:24:18:6A:11: 74:23:07:22:70:4D:E1:01:51:62:E2:58:35:E2:98:0F: 3A:36:67:46:17:E8:8E
-----BEGIN CERTIFICATE-----
MIIGgTCCBOmgAwIBAgIRAOF2Qvr3L4u28KxiOwxecYowDQYJKoZIhvcNAQELBQAw
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cs/ezQ9DGHhhRClxTbD6LF95CRLZi1UX2Sf5timVPXBoQzYZ06bYHTpgBcHDnS/P
BSSoN9DPqzQCAeJMB3l2JsFPSkeyoT/UpBGuvaZpL8Y/frBRs1IBuieeMdTRdMew
pi2zvHw+dRuOnjzw+xtfxo6NeXXVC/wKUVv2IhDc45VxWYeRbg==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-05T16:14:53+00:00

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

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