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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

opiquad.com · 212.78.26.40:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=*.opiquad.com
Issuer
C=IT ST=Bergamo L=Ponte San Pietro O=Actalis S.p.A. CN=Actalis Domain Validation Server CA G3
Valid from
2026-05-11T12:50:56+00:00
Expires
2026-11-11T13:49:56+00:00
Days remaining
31
Serial (hex)
5D38CF8F9C1BAB665B8D2C896FD6943B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.opiquad.com, DNS:opiquad.com

SHA-256 fingerprint

95:BD:D4:FC:4A:34:CA:DA:47:E1:7D:2A:F9:06:99:21:28:37:61:2C:6C:C7:57:13:27:94:50:B4:02:59:99:94
Certificate extensions & PEM
basicConstraints
CA:FALSE
authorityKeyIdentifier
42:83:6D:80:7C:09:84:67:FD:80:57:AB:F1:26:F5:77:C8:22:82:71
authorityInfoAccess
CA Issuers - URI:http://cacert.actalis.it/certs/actalis-autdvg3 OCSP - URI:http://ocsp06.actalis.it/VA/AUTHDV-G3
subjectAltName
DNS:*.opiquad.com, DNS:opiquad.com
certificatePolicies
Policy: 1.3.159.1.23.1 CPS: https://www.actalis.it/area-download Policy: 2.23.140.1.2.1
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl06.actalis.it/Repository/AUTHDV-G3/getLastCRL
subjectKeyIdentifier
FB:72:A7:D3:D5:AD:BD:31:F7:EE:C8:83:34:F1:9C:32:22:CF:8C:BD
keyUsage
Digital Signature, Key Encipherment
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : May 11 13:00:57.681 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D8:B6:A6:1B:F7:9A:AB:81:7F:F2:C8: ED:15:03:A2:13:22:4A:A6:1E:FE:A5:3D:D2:85:96:96: 6E:12:11:87:C3:02:20:01:D5:FC:60:56:3E:FA:3B:5E: 2C:F5:26:AE:F0:AC:FC:EE:A0:89:40:8D:20:11:95:70: BA:27:9F:5F:19:91:98 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : May 11 13:00:57.720 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5B:00:2B:D1:5E:57:25:C1:DE:33:7B:72: 5A:1C:28:12:C0:1F:12:1B:73:8F:05:30:80:F3:AA:FC: 1B:D6:8F:4A:02:20:5A:F9:F5:AB:5D:C2:C3:86:97:EE: 00:9F:D4:70:41:E5:A2:2C:49:BD:A9:A5:3F:7F:9C:11: AE:64:71:55:1C:7C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : May 11 13:00:57.697 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:97:14:93:60:BC:DF:2C:91:3A:0F:BD: 7A:E2:26:DF:90:7E:70:8A:57:28:FD:EF:2E:81:5A:ED: 38:B7:F8:13:68:02:20:7B:DA:16:16:53:B5:9F:4A:13: 73:64:E1:65:9F:B9:77:E9:EA:57:2B:FC:20:F8:61:3A: 3F:EF:07:42:0D:20:58
-----BEGIN CERTIFICATE-----
MIIHbjCCBVagAwIBAgIQXTjPj5wbq2ZbjSyJb9aUOzANBgkqhkiG9w0BAQsFADCB
hDELMAkGA1UEBhMCSVQxEDAOBgNVBAgMB0JlcmdhbW8xGTAXBgNVBAcMEFBvbnRl
IFNhbiBQaWV0cm8xFzAVBgNVBAoMDkFjdGFsaXMgUy5wLkEuMS8wLQYDVQQDDCZB
Y3RhbGlzIERvbWFpbiBWYWxpZGF0aW9uIFNlcnZlciBDQSBHMzAeFw0yNjA1MTEx
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ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC3euYADgx/aFrbiJq4h1a8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BQcDATBIBgNVHR8EQTA/MD2gO6A5hjdodHRwOi8vY3JsMDYuYWN0YWxpcy5pdC9S
ZXBvc2l0b3J5L0FVVEhEVi1HMy9nZXRMYXN0Q1JMMB0GA1UdDgQWBBT7cqfT1a29
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GGUBx9NfOAIBP3JnfVU3LhnYAAABnhcgXfgAAAQDAEYwRAIgWwAr0V5XJcHeM3ty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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-11T02:42:34+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=IT ST=Bergamo L=Ponte San Pietro O=Actalis S.p.A. CN=Actalis Domain Validation Server CA G3
Issuer
C=IT L=Milan O=Actalis S.p.A./03358520967 CN=Actalis Authentication Root CA
Valid from
2020-07-06T06:36:50+00:00
Expires
2030-09-22T11:22:02+00:00
Days remaining
1442
Serial (hex)
12737797A315886DFEB76C7E6A5A0354
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

34:50:B6:D3:82:90:C3:CA:5D:7B:B3:8B:71:49:5B:BF:72:C6:D0:C4:4D:BA:29:22:45:F9:BC:A9:84:3A:9F:FF
Certificate extensions & PEM
basicConstraints
CA:TRUE
authorityKeyIdentifier
52:D8:88:3A:C8:9F:78:66:ED:89:F3:7B:38:70:94:C9:02:02:36:D0
authorityInfoAccess
OCSP - URI:http://ocsp05.actalis.it/VA/AUTH-ROOT
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.actalis.it/area-download
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:ldap://ldap05.actalis.it/cn%3dActalis%20Authentication%20Root%20CA,o%3dActalis%20S.p.A.%2f03358520967,c%3dIT?certificateRevocationList;binary Full Name: URI:http://crl05.actalis.it/Repository/AUTH-ROOT/getLastCRL
subjectKeyIdentifier
42:83:6D:80:7C:09:84:67:FD:80:57:AB:F1:26:F5:77:C8:22:82:71
keyUsage
Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----
MIIHcDCCBVigAwIBAgIQEnN3l6MViG3+t2x+aloDVDANBgkqhkiG9w0BAQsFADBr
MQswCQYDVQQGEwJJVDEOMAwGA1UEBwwFTWlsYW4xIzAhBgNVBAoMGkFjdGFsaXMg
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MAkGA1UEBhMCSVQxEDAOBgNVBAgMB0JlcmdhbW8xGTAXBgNVBAcMEFBvbnRlIFNh
biBQaWV0cm8xFzAVBgNVBAoMDkFjdGFsaXMgUy5wLkEuMS8wLQYDVQQDDCZBY3Rh
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AQEBBQADggIPADCCAgoCggIBALVGM4gsi80jpqFUmuK3Z0QKmhrCyEytbycoy44/
0IN9lOxS8RHPHgqOOCwrK+WaFlELgfpv2Yx9HI4bMvZUeKKSBNgOTpxceBzUIIv7
T9eoeN9lrzSlbcdLq0TZFl2iNuBFKzMVhu3W+bb+UKR3JvrxFmjfHv9KuUJK6LgI
xlfQaLCpXf25FMk1lSCqmgSVmRc59rIa2PNwHTnRcGqOHCX7kPQJ88JHjNGLHbVj
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qk/q8c6UZ3u5kdehslZ31p40ptT1cNK0U/mRnMg2OzAR/l62Uq5v+Z6ZTiD469iR
2Tb24vQGa7G4NB8nMyC/MxPtmKlwLd1PTIlLpnkqvX266b3HAPGDyJj2B7NzEtIm
9WSR5HM+J+GFzssAyI/feJxA1cdLiOIyHtdMMRMjlsUxaMWsNzf55bifWl7Zttxm
M14ovZrkI+kjvfoT83bXDOgsB5E5TZFg6q5azRdkx6AHC8ah
-----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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