contraddizioni.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a3:75:17:05:df:fe:92:fb:8f:18:bf:16:00:2e:90:d8:c4 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:a3:75:17:05:df:fe:92:fb:8f:18:bf:16:00:2e:90:d8:c4
Serial Number (int): 316958522820887006085124200703845649668292
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 95:3d:fe:40:15:c1:9a:ca:17:c3:74:0a:cb:6b:c6:6b:cd:fa:25:e1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 84:b5:54:ab:6d:ea:dc:17:5c:9b:76:de:bb:eb:4f:9a:3b:bb:31:f3
Fingerprint (sha256): 34:44:f0:4e:e4:6f:7e:56:7f:56:5d:eb:4b:2a:6d:44:25:7e:9b:3a:0e:d8:fe:d4:c9:78:5b:98:ef:38:a3:30

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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

Other certificates including the domain name contraddizioni.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for contraddizioni.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 316958522820887006085124200703845649668292
 . . . . . . . . [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 2019-12-15 10:07:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-14 10:07:40 +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 633117996926968880342234875295401964860633288927513768926357637722095371752021340648356497046591197924957733766082009302782821560174683956161216996346240424012713433564241480207028571580174230401087473391686795146076258758843464295410507576035596943583306736350410898580361077338708256405702890828904109661701973779161277219051878814182663193829975375513910966808833458453610272729922396539264787996765088907619593427628401420697162681024744582115386182106308650180323554837983245858902022293985768857782351049671921224535778931029257291138760372056057770947207492640478991610500420589965518077736874194018446967916492595190201341351805992724321581142173034906569539093621737138490455113835237196534863638169406827436102713516710426206110867225929219748552471988135010467117340556002924638741874769890616668715350761818719855003087762697129947174620814880898245771034331821221167116291267618372129026047353326426725480149879907025069353009908560969179805590812445527636351682350905395802910668132509528376306818954694553084476384213340246329127090387269759623466083021848524922955758870854191867562430663410850654435172516235125330422102608319276807701063160982606010191075535851077816029991538638561263931813164321305491663519651667
 . . . . . . . . . . . . . . . . . . . . [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)
							953dfe4015c19aca17c3740acb6bc66bcdfa25e1
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f093e13b20000040300483046022100d16a408ab06e63ebbb5eadd5e9f702ba095304b59acf85e7a24a07f4b3096c9602210093a5f2a61f2f82627d567f42b555d700381b1faf62a52d568702e7b68098484c007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f093e13a60000040300483046022100a159c873990b87afff2d2da88ea1c642d1fdf4aca571a726c8ca292e657ef2d1022100cb15b01e6f199185bdbf709c85e0ff9368ba1e6c6fef4c2747561dc8de249aa6
 . . . . [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)
		005427adb10bd67a3d2ff0ecf12a41fda8f95be163e08794eab98715fb3dff8eff25d24e037837b4afa9dd8ab32ad77e56296098fd6e21e8645158761af2cbf89eac5630027780dc30cac065761dda657635116a1e893ac8075a8af794456491e45e9b27201605896df22aba175d71fa04f71982490bb73419bd72422bcd06853c24c29ef9f9a3effe372723530e77ee6b72e29b9c9bde0003e0ca2aed2f1237e4193da6fb03e895a3f0a424f6b51a990d32cbf2f7b4f236c6ea2db04755290f175ef8edb5851403fd53a88a9a16373d694176c5b5b15e7ef19e7db01de4324f4eb94b2af843241e57adc8aedf18cb9c5b839622e32bc83ee3f737e9d677916aef