www.contraddizioni.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:c5:2d:0b:52:f5:7f:9c:cb:56:11:89:54:87:ac:f3:5b:4a was issued on by Let's Encrypt.
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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.contraddizioni.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:c5:2d:0b:52:f5:7f:9c:cb:56:11:89:54:87:ac:f3:5b:4aSerial Number (int): 328432358136389363803876069151789888527178
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 58:72:9f:52:8b:0e:e1:24:46:60:f0:29:ee:a7:1d:84:08:66:11:43
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): df:20:46:15:aa:f6:95:6c:e0:d9:41:c8:08:f8:4e:01:bc:07:c4:ef
Fingerprint (sha256): ae:2f:7f:d5:6a:d5:e2:fc:6b:c7:7a:19:6a:e6:78:80:32:83:56:2f:d7:c2:bc:b3:ba:11:08:72:75:85:55:12
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.contraddizioni.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.contraddizioni.com
Public Key Algorithm
RSA
Key Size
4096
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
www.contraddizioni.com
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Certificate
The complete raw certificate details for www.contraddizioni.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGYzCCBUugAwIBAgISA8UtC1L1f5zLVhGJVIes81tKMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MjcwMzQzMDJaFw0x OTEwMjUwMzQzMDJaMCExHzAdBgNVBAMTFnd3dy5jb250cmFkZGl6aW9uaS5jb20w ggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDaFYhBNkmKlz9h+nK4DoCh L/1BtFDvpj9yUaeBhdl/mHnOCAauQz3eE6THn9G+m1642uoEYiS0OBMUOFBEhX2W g3AXB2q+yh0Ej0vti8T3PZWrrGy1iaE5jT7ib/HV3P+szm/atiPRuoQIEn6bd8p3 1qrV4HIGX2poyeo10aA9yHIuGx0KmyL0Vece4dpUNbbAk5Mjf0rPDXjw1Zqp8dDw pVWbcr0L2drfCL6QlV0K4PYsu1ulquMuo95LcddK3G74SR+rXZ7CgCaV4IasPQ/S 1lguMQ48csR6Cx7xyAWMoKi5l3JFn8IvyMoQtMcMq00EVaJWV2c3/W01QLLaVbJZ zGZg7l4J5JiluFBHdBNFeS3wlvU1TYeyhx/e9fgJ7pX2pFAN2dpARzPQlE1GNqbb kbzBABG/DlCrcnGfAhsuCHyRC97RAW4WtYi5V/PBYkiVHo2Fa7ym6oEgXEfwNvTb k0Bx1AiwCYsp2v913mMWB2HUxZwOK0wR9S9ZW1QyIHUrozsaMITzwpT2BVrHREGR m/lOaWnuL/V/OEQuoArf41Q2wFz6ckY9CJ11pGoP1mbi6YUmVSydawMiqMnuCFQ/ 7E2j0HO5RPDu9w80FgM5oTieDqsUe/Qfvm3AQ8NNw/32vPOO6jmiBP5qUKRu2SgX NucMLEAefmbMi3ECopmRCwIDAQABo4ICajCCAmYwDgYDVR0PAQH/BAQDAgWgMB0G A1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1Ud DgQWBBRYcp9Siw7hJEZg8Cnupx2ECGYRQzAfBgNVHSMEGDAWgBSoSmpjBH3duubR ObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9v Y3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9j ZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMCEGA1UdEQQaMBiCFnd3dy5jb250 cmFkZGl6aW9uaS5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMB AQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggED BgorBgEEAdZ5AgQCBIH0BIHxAO8AdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTD DPTlRUf0eAAAAWwxvULbAAAEAwBHMEUCIQCqyethFg/Uv591btN8tIj4jWwSpRdc 5zvDdAY/+b7GEwIgEJFqcymQsAEaN7nv62/trXNIj1AYn59wYvK/94wCo4UAdQB0 ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWwxvUS5AAAEAwBGMEQC IEVP28GI0WYBgDFQx6kisUBzaMTteEfxUCX7wGp9QA99AiA51wopsDzws07u9xpq y27wuYmpFI5eATsY/XywPLDaHzANBgkqhkiG9w0BAQsFAAOCAQEARVm1XeXl0HIo uMi2a8iwOX6pv1WxoXQ59+9dVsGqQqPCSzILWDhNHyVrp+D8k6pxk4kQ7+0v6MW4 921SAKCPtbO+H2xN2XmsKVscFZItyAMCPnk6Uv+CBtwiWEGQl0rBwqQWuIqNiuQs ou+7A1k+t1WGmfohE2P3Oajvz5bsOgxW9uOImhKT5XL+dhG9I1GY+WzahZmTQY2V d/82D2X2c4rlR2yllkhtGSLYLIgLBV4dN+m4AU9t7cmlDXuhm50nQexJG29PwrNu 9g/FqxN9+5COK/gosE2IMs4YbtO03sdHVR3EtwfDHPGhK9Irfi10SoudIRut3nzb RvoI1y3rxQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2hWIQTZJipc/YfpyuA6A oS/9QbRQ76Y/clGngYXZf5h5zggGrkM93hOkx5/RvpteuNrqBGIktDgTFDhQRIV9 loNwFwdqvsodBI9L7YvE9z2Vq6xstYmhOY0+4m/x1dz/rM5v2rYj0bqECBJ+m3fK d9aq1eByBl9qaMnqNdGgPchyLhsdCpsi9FXnHuHaVDW2wJOTI39Kzw148NWaqfHQ 8KVVm3K9C9na3wi+kJVdCuD2LLtbparjLqPeS3HXStxu+Ekfq12ewoAmleCGrD0P 0tZYLjEOPHLEegse8cgFjKCouZdyRZ/CL8jKELTHDKtNBFWiVldnN/1tNUCy2lWy WcxmYO5eCeSYpbhQR3QTRXkt8Jb1NU2Hsocf3vX4Ce6V9qRQDdnaQEcz0JRNRjam 25G8wQARvw5Qq3JxnwIbLgh8kQve0QFuFrWIuVfzwWJIlR6NhWu8puqBIFxH8Db0 25NAcdQIsAmLKdr/dd5jFgdh1MWcDitMEfUvWVtUMiB1K6M7GjCE88KU9gVax0RB kZv5Tmlp7i/1fzhELqAK3+NUNsBc+nJGPQiddaRqD9Zm4umFJlUsnWsDIqjJ7ghU P+xNo9BzuUTw7vcPNBYDOaE4ng6rFHv0H75twEPDTcP99rzzjuo5ogT+alCkbtko FzbnDCxAHn5mzItxAqKZkQsCAwEAAQ== -----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 328432358136389363803876069151789888527178 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-27 03:43:02 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-25 03:43:02 +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:19|false] PrintableString 'www.contraddizioni.com' . . . . . . . . [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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 889705547046427529111408125555481191984699452308215355403851793013851840243142893965398210895844480542247490230342665251417334943485633183549950385593737302813329590338028234043294468121255403603263874841358913569530986657809656243701641586272730386006833335541335012487215039318422940074276884914626196333488490547448234921247154039456986184792466907905976378895774655267323395776386060892252748495750095572604077204505292262457001704522795007296130886196398170711689879826085577092568081350398406523540696997146299953045751574882509047815542997239978756572205342795030397101933616886762944416041245345442484648168783460666264922078888484317833018216859936847848922739818731272369312192287141340201601606006322834539167442546016372799263119214437234949436320750769727655530547739058610522686533567311255056273178833443516131201782813345270091203063448033141599982373963971591184336604041946028623688825824630083603429374098896967216003935749054151139486867066408628558806325198555521764679010051083988828848193510154877678510898284735627334670142544851715515508160313550559289613929010390706810001802257846098248444455351056649045285102407013343596542997329302897292008286770143251035896306047126896507795062188432992235071968219403 . . . . . . . . . . . . . . . . . . . . [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) 58729f528b0ee1244660f029eea71d8408661143 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.contraddizioni.com' . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c31bd42db0000040300473045022100aac9eb61160fd4bf9f756ed37cb488f88d6c12a5175ce73bc374063ff9bec613022010916a732990b0011a37b9efeb6fedad73488f50189f9f7062f2bff78c02a385007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c31bd44b900000403004630440220454fdbc188d16601803150c7a922b1407368c4ed7847f15025fbc06a7d400f7d022039d70a29b03cf0b34eeef71a6acb6ef0b989a9148e5e013b18fd7cb03cb0da1f . . . . [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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