contraddizioni.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:0e:31:ba:fa:c3:78:85:32:48:19:d5:a5:bb:4c:f9:c6:b7 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=contraddizioni.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:0e:31:ba:fa:c3:78:85:32:48:19:d5:a5:bb:4c:f9:c6:b7Serial Number (int): 266166913957272218613030209494429019522743
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d0:0a:29:cb:cd:98:b6:60:64:08:ee:da:1a:0b:90:5e:97:26:cc:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 89:39:d4:3e:e1:94:47:25:d4:0b:f0:ba:68:54:df:ee:13:1c:30:9e
Fingerprint (sha256): 24:3d:b8:d7:87:17:2f:26:1a:de:15:ab:92:3a:70:fe:63:de:af:e3:cb:84:ca:c4:e9:79:82:5b:bf:4e:16:d1
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate contraddizioni.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
contraddizioni.com
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Certificate
The complete raw certificate details for contraddizioni.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGXDCCBUSgAwIBAgISAw4xuvrDeIUySBnVpbtM+ca3MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTUwNjQ1NTBaFw0y MDA1MTUwNjQ1NTBaMB0xGzAZBgNVBAMTEmNvbnRyYWRkaXppb25pLmNvbTCCAiIw DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK4YQ9uHaAbmzuYiiY9wocefIBnl SZFqrOGkpz5JtS7RPSMYbfYZoRFmYOZTcsfUObpGuX2BTAdQMHrAWT/o5e6dfbku emvOKUCQP0MjD3YDncTt2IlupH9s0G5GqxEd8ioURXrs3C8t/0j0XsUdKK58cgvn OIQx0l0w97LagnG4jLJ3rxDGhGE4kbRieQ+ygklsWLJYGR05EHkh/rgOFe677Z2B XJGjalPYts04PDxzVBJ1cY7Tfi3QA8Ba0qe2TDA3OdXLQOFL1TSKlTNngHxKUhwP JIyCvOllI/i86dBmdmU/K82V3cJgsacNE6LrKj61562olhQUtC/ok/lAKtNqjk1L mo9lSYM5msSpWIYdsyuut3Q8wwMhjecIFrutwN8F3/1+rLj7klS5HOQ1Cli89o7w 6ky+NVdYVUUtiBcW8S4geayn2rbwpoPfaKiGndL5YxT8F29xtA0MgE4D8gvK3lW+ OALFB+LI40JTjNO071k63dSBEwurcBXORhLQmLjWY/owWJJstiKFJ1jDs1WCh4/0 sK2ySmBkpBRjiI2DoprdXSQ3nZotQxYqQmnCwFn43jYqqmu2cUou/Yu0ZIUMePIR 5jsJz3MW8XBmBpzuFZKXmkYodCB33VU/LSNTXv4hYBtxr9GPBgjULS5GWpcxmOuI TRAOS/SVQn8FWHOZAgMBAAGjggJnMIICYzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FNAKKcvNmLZgZAju2hoLkF6XJsxRMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF Ze/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3Au aW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHQYDVR0RBBYwFIISY29udHJhZGRpemlv bmkuY29tMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYI KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHW eQIEAgSB9QSB8gDwAHcA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMA AAFwR8+Q6wAABAMASDBGAiEA25AAiaKBn3bf0cTf20zDP308eDkht3tO0OFY3tHt sOgCIQCi/Y2Zq0wplhHMQ5B8NZ3GyUGtrddI+jhAp+yKwIhgyAB1AAe3XBvlfWj/ 8bDGHSMVx7rmV3xXlLdq7rxhOhpp06IcAAABcEfPkQ0AAAQDAEYwRAIgF4rmuJOP 3lD61akAq3hcLygKEz5u1+zF5/D12RJ3JqcCIBgsAMtwR8Wk0Cg5NYtX1ANeDE+m xTOMKU7N9X2qD9w6MA0GCSqGSIb3DQEBCwUAA4IBAQAZbTkgcJJGO/6ZvT4kP2UV Q66wljbDYUctPWa+IWAT4Lh9pR4BdhBJY857uAG6iAVbOFS6QVM4MuHVdvlyTlP4 F7zKFOG0GjNsC4AyMQF3qFjlydgzCefiV9/eTjJFVwiZDK9JwNJuMT8w/Cuc4r3e 8ChRpuQPSNJMX/S+AquEvScxUItiekvLAm03grtQsz5MD5WXPnm9ADvrPN2VA1Ff as0lvjFvCeASzTUY6ZEMch3hBj0/rw/DUaRva8RUSTdkGFKI5h/yV3epHGZ7AUvp vn/2jFnutsXciFyXJPw6UgU2AXW5x/JcXG2VM8NRXqBF37VMzX+YskaNrrOx+8Dj -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArhhD24doBubO5iKJj3Ch x58gGeVJkWqs4aSnPkm1LtE9Ixht9hmhEWZg5lNyx9Q5uka5fYFMB1AwesBZP+jl 7p19uS56a84pQJA/QyMPdgOdxO3YiW6kf2zQbkarER3yKhRFeuzcLy3/SPRexR0o rnxyC+c4hDHSXTD3stqCcbiMsnevEMaEYTiRtGJ5D7KCSWxYslgZHTkQeSH+uA4V 7rvtnYFckaNqU9i2zTg8PHNUEnVxjtN+LdADwFrSp7ZMMDc51ctA4UvVNIqVM2eA fEpSHA8kjIK86WUj+Lzp0GZ2ZT8rzZXdwmCxpw0TousqPrXnraiWFBS0L+iT+UAq 02qOTUuaj2VJgzmaxKlYhh2zK663dDzDAyGN5wgWu63A3wXf/X6suPuSVLkc5DUK WLz2jvDqTL41V1hVRS2IFxbxLiB5rKfatvCmg99oqIad0vljFPwXb3G0DQyATgPy C8reVb44AsUH4sjjQlOM07TvWTrd1IETC6twFc5GEtCYuNZj+jBYkmy2IoUnWMOz VYKHj/SwrbJKYGSkFGOIjYOimt1dJDedmi1DFipCacLAWfjeNiqqa7ZxSi79i7Rk hQx48hHmOwnPcxbxcGYGnO4VkpeaRih0IHfdVT8tI1Ne/iFgG3Gv0Y8GCNQtLkZa lzGY64hNEA5L9JVCfwVYc5kCAwEAAQ== -----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 266166913957272218613030209494429019522743 . . . . . . . . [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 2020-02-15 06:45:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-15 06:45:50 +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 '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 710244758627487994251401885349674588435437716931923445956254310890126059476913209358814317954672754559252175330446580025044696677640543884166430674682945235936865611898669042133136976257438805475532613195651275096519929858833807748885078549956254046469831432882620695495732589343116815869413956784458379158793449856317313356979762030482823426090065048660586360062452866954516966822270988198768751927098288477642758414646929958757785133297689569195220167333721647369675078317726101082203487875470077687708767810245556152171870547561863395450181933266695701079091583687836220956037379641564527794994075468996548885566396213388532790984481826221680745130483305882346152033021906315902391471466759485767594832916155543815809914470136788610888352604366230882386025551376791707941194759763332780966663968120591663745416504296009497008065583302435090263913352887794255987891634900362783779126638606908561268052297222509415815952630440336705489612523176178877589287345081691069213160395339034597270675033775308711442358783359474638525663658239074248561171339099291021398429621295923702464091708214608874699754444083426398924297072907788732984117101325292688561300118377737699487666861947115234941258991343107533805804529493708812249185416089 . . . . . . . . . . . . . . . . . . . . [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) d00a29cbcd98b6606408eeda1a0b905e9726cc51 . . . . . . . . . . . . . . . . [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 (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017047cf90eb0000040300483046022100db900089a2819f76dfd1c4dfdb4cc33f7d3c783921b77b4ed0e158ded1edb0e8022100a2fd8d99ab4c299611cc43907c359dc6c941adadd748fa3840a7ec8ac08860c800750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017047cf910d00000403004630440220178ae6b8938fde50fad5a900ab785c2f280a133e6ed7ecc5e7f0f5d9127726a70220182c00cb7047c5a4d02839358b57d4035e0c4fa6c5338c294ecdf57daa0fdc3a . . . . [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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