*.vivaldigroup.it
Issued by R3
About this certificate
This digital certificate with serial number 04:53:3b:6f:f5:a9:3f:3d:b3:8c:39:00:52:51:58:dc:08:32 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=*.vivaldigroup.it
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:53:3b:6f:f5:a9:3f:3d:b3:8c:39:00:52:51:58:dc:08:32Serial Number (int): 376771585960780970963877702058066633820210
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 3e:21:2b:97:3a:87:a5:8b:21:ae:e0:4d:d2:d3:5b:1b:27:70:6f:a5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 7d:a6:fe:21:7c:d6:74:65:f8:22:0a:f2:4e:e4:58:8a:8d:c0:3c:9d
Fingerprint (sha256): 4e:06:5a:78:26:99:7d:f7:40:fe:ac:6d:b3:34:ed:c1:89:22:93:4d:e1:d7:06:a4:49:90:20:49:bc:83:ff:5d
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate *.vivaldigroup.it
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for *.vivaldigroup.it
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
*.vivaldigroup.it
vivaldigroup.it
vivaldigroup.it
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Certificate
The complete raw certificate details for *.vivaldigroup.it in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFADCCA+igAwIBAgISBFM7b/WpPz2zjDkAUlFY3AgyMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzExMTQxMzQ5NDZaFw0yNDAyMTIxMzQ5NDVaMBwxGjAYBgNVBAMM ESoudml2YWxkaWdyb3VwLml0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC AQEA2E0xgauvSlr0Nf/RnOOuuw8iJsQQP43bwUPb3fDW0tQfed3Jre9U341azUL3 9VKKX5yqANZ1xPJcsYSYoiaPSjgGBAwfXcPcx5hh7wH5poBjCfTQpbUi6Gu80ifY ENqM9fhDnt7rkg2NKGFAsIMPPLTlg+xQrDIfUqyivuhmGZ3DtyIULJ11FEsTUjF3 ILDm347lPFRMg1EevZuBQ/iRyrx7m0I62nVuwld4NGQFEO7p2teY5wK0SGTZke21 mg3U3u7ifF6UloljiI2xY6b+nSNFtA6vVLyYnzgc84Zvfx04AyZBDOORFotYCsMW JweXE7tzZ9n2zwHDuQALubsfmwIDAQABo4ICJDCCAiAwDgYDVR0PAQH/BAQDAgWg MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G A1UdDgQWBBQ+ISuXOoeliyGu4E3S01sbJ3BvpTAfBgNVHSMEGDAWgBQULrMXt1hW y65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6 Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iu b3JnLzAtBgNVHREEJjAkghEqLnZpdmFsZGlncm91cC5pdIIPdml2YWxkaWdyb3Vw Lml0MBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDw AHYAO1N3dT4tuYBOizBbBv5AO2fYT8P0x70ADS1yb+H61BcAAAGLzk9RBwAABAMA RzBFAiBlGPsKe33+7M39j/fga6yd+S/8250gbIjZ8uGgxzfg5AIhAIkPS76IbV1o GDpaj4/AdP0DUMR1+raD3zUaWrzgeGbfAHYA7s3QZNXbGs7FXLedtM0TojKHRny8 7N7DUUhZRnEftZsAAAGLzk9RDQAABAMARzBFAiEAihW9WMc23FvdkXoRpu8YA5By ho0jtJXO3HC9kS8JckoCIA+/xftulv7HmcK4SlGtD4GbWb2rpAtjucfFUn+Ob5Wm MA0GCSqGSIb3DQEBCwUAA4IBAQAj9d/i9pYUbeRN182y7ijB/Zu/wpTI6lCxUDZo 6pukfdPXzftwsJS2F5S+tULqbs8uyVxjmtQDgrCua4iaecarKaeVUYwcPBdXvrou 1t4W7gg/LjMUsqlFxzN8EJpx4TfwJTAZGtkdw5m3RXqN+u6k0j4tQVHd8xWfWzfx ZaLv7oPbfJwNF24L1oE9PdikVLEejZy0N1zkypbNgqLpv7xtg2/CM7Do6CJQqwTn Rhsj7G9K6I3wAz5lmmHfcaejRxMpdTo6tK+iYD+bgYGAfPL1U1ziWvOtsXPaesUG N5YY8aucPJPncGpHoif8uTvNx5Fvgp5q1/NiUU8QDX2il3Yi -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2E0xgauvSlr0Nf/RnOOu uw8iJsQQP43bwUPb3fDW0tQfed3Jre9U341azUL39VKKX5yqANZ1xPJcsYSYoiaP SjgGBAwfXcPcx5hh7wH5poBjCfTQpbUi6Gu80ifYENqM9fhDnt7rkg2NKGFAsIMP PLTlg+xQrDIfUqyivuhmGZ3DtyIULJ11FEsTUjF3ILDm347lPFRMg1EevZuBQ/iR yrx7m0I62nVuwld4NGQFEO7p2teY5wK0SGTZke21mg3U3u7ifF6UloljiI2xY6b+ nSNFtA6vVLyYnzgc84Zvfx04AyZBDOORFotYCsMWJweXE7tzZ9n2zwHDuQALubsf mwIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 376771585960780970963877702058066633820210 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-14 13:49:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-12 13:49:45 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.vivaldigroup.it' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27305539349466327310222069060353235567491718628374795085844551988943618748147540917505763627831496534406969466596825432367697252398462686441823970235143099584202393815303783418307076070112747493230509139439375322267540441962188259317699048845958426311067710245662633146780202613076427014846525640792592893866693272561509671156856883182744874854111227725934800413790631562495604363891478215526190710359474175258331608839734088673172351009083702539346499756345590301646335920942855463395858421220278601828322870660292508203816449012612648216163437927679914961939607275847831290693901229034204100262821108173423372869531 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 3e212b973a87a58b21aee04dd2d35b1b27706fa5 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (38 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.vivaldigroup.it' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vivaldigroup.it' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bce4f5107000004030047304502206518fb0a7b7dfeeccdfd8ff7e06bac9df92ffcdb9d206c88d9f2e1a0c737e0e4022100890f4bbe886d5d68183a5a8f8fc074fd0350c475fab683df351a5abce07866df007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bce4f510d00000403004730450221008a15bd58c736dc5bdd917a11a6ef18039072868d23b495cedc70bd912f09724a02200fbfc5fb6e96fec799c2b84a51ad0f819b59bdaba40b63b9c7c5527f8e6f95a6 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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