centro-ricerche.com

Issued by R3

About this certificate

This digital certificate with serial number 04:22:a5:8a:4e:a5:b8:7a:db:9d:ac:00:ce:ab:18:d1:68:15 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:
  • 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=centro-ricerche.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:22:a5:8a:4e:a5:b8:7a:db:9d:ac:00:ce:ab:18:d1:68:15
Serial Number (int): 360238784953781572937040021985908959045653
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b6:97:00:90:59:72:90:df:e9:06:8b:71:15:ab:7a:3c:63:5a:39:94
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d9:c2:c4:58:e1:93:42:8d:ba:4d:5e:c3:75:0c:64:ae:4f:a4:3d:83
Fingerprint (sha256): 6c:50:9d:82:d0:15:f2:7f:41:32:80:de:85:4e:b5:01:78:c3:f1:fe:db:c4:81:95:2d:89:81:6d:e0:e7:b3:5d

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate centro-ricerche.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for centro-ricerche.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

centro-ricerche.com

Other certificates including the domain name centro-ricerche.com

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centro-ricerche.com
centro-ricerche.com
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centro-ricerche.com
centro-ricerche.com
techdiverse.com
centro-ricerche.com
42661.com
centro-ricerche.com
centro-ricerche.com

Certificate

The complete raw certificate details for centro-ricerche.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 360238784953781572937040021985908959045653
 . . . . . . . . [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 2024-03-28 15:39:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-26 15:39:38 +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 'centro-ricerche.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 865883966065734133729405426659539331394116557743692918876728233837574952072968339987523812101139473113354294280080606864576987227985864207537816703209685883647479349400859342729049330552507667168109548643925805754701781625612673646517095417367711265559156122408677957626142141365678232213740457793387054059998560314157937701636206524137278983330327510313818370903169881075559208797445124543186391892841242921473839485836381142148464660473185141349369565562794073802060619538623952383802693576157802859206117919751200825526445472204013311029031833565368960235803134166118786949393897832355523035457461890195124867956837202164273117706776513144620736868559078702272743499687367825171283528990432649865541332294669089572151150217715177467537074074896268177692404439046428271169656356562647387896306938691089038558309593997260151688569729757804785584420986267377882770881792131566357430460068904748541921735934787254667976203569437307415356137846051603932161255278096534573388950683334801766074477748004444232636844332008498664834817864533398925474839084738835380677730592022683879917036814763297241065206277473093453611906225861655320394522036366870319758250299784002404354974108156649223540438168775769473592999210293608926918323600643
 . . . . . . . . . . . . . . . . . . . . [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)
							b6970090597290dfe9068b7115ab7a3c635a3994
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centro-ricerche.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 (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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e85ee6ee7000004030047304502203a886a5d77a3333785253de8dc51888237f8b241f7c645c4ea63572b9e24d922022100fc746aea6182ec0816016ced3de8279b99ebf2189c72363f53d21df11d9e2ba2007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e85ee6ee10000040300473045022100e147831f92737b30c89586ae2e2c19472fa4c6e1c52b59e8acf17baed922dfec02205951324a34f783042b33ed25ec2779123fd008153d50aa3aa99a36bda3ad690c
 . . . . [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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