centro-ricerche.com

Issued by R3

About this certificate

This digital certificate with serial number 03:2a:3f:23:2c:36:06:37:cf:6e:4a:98:3c:b2:3a:0f:7f:26 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): 03:2a:3f:23:2c:36:06:37:cf:6e:4a:98:3c:b2:3a:0f:7f:26
Serial Number (int): 275712641196790921541280529105664875659046
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7c:e1:86:82:01:ed:b5:50:43:41:5a:c5:5a:3a:67:c9:92:9e:73:06
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 91:ce:39:40:0b:29:4c:41:31:d4:74:e3:54:24:79:52:6e:1b:69:fb
Fingerprint (sha256): c3:ee:87:45:13:52:d5:88:e7:34:40:50:84:0b:d1:46:1a:b5:a6:d5:81:2a:50:6a:b5:85:59:96:f8:d4:70:72

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

(limited to 100 certificates)
centro-ricerche.com
centro-ricerche.com
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centro-ricerche.com
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www.centro-ricerche.com
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 275712641196790921541280529105664875659046
 . . . . . . . . [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 2024-01-04 09:33:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-03 09:33:34 +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 723659737751108507554676081745890499820005791501462566991059253243291066403096081828116009922072628140845374373220956262700702343304088535089026904524048330915106869518361865513771223377662233020095521675676496141264393608988272590220284736156417289086401292812929785990549486114415651306002744401162036231396973782024247278002606887829298203684841736654152950419573378595317855766663230158448380515382403445192086991818979299376347351720884317783430646128775042810052057103195742688736986946676705135531273552891952863001839439096684185023140148582046387488276149034551190008787468002626570557754912279011657688629375020553656648834188101759251087907288032503141001916167357274832428925073742523096598703966383627346218940564618310682503983970741221255105982528208927927004220367877005950406055116521836957302900342052207053830736053904465914415895485058596847986773349445761038451904906488675084863939642860446697923701110542504699613532493073133251577808627414676914901619286930739770498464057448647442669607728157429135028802406552091548260696889187472215614606413102732752238992390754925580879114187926159290362931696772335062525968017108778310863100353234374198062164474853576596803236327003800609270424677513052533770955079429
 . . . . . . . . . . . . . . . . . . . . [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)
							7ce1868201edb55043415ac55a3a67c9929e7306
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cd4091b730000040300473045022100b2f9faa189a4aba523f650b397b14cfa877ded1cc64d84179a9bc9ba496b7987022069cf3f1ba9000d9af99ea76034f43a568572f8073e471e4779409d3e49fec6c2007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018cd4091b750000040300483046022100e6e2674786b3f8444aaaa3915ee49ff09c3293179e8d873da50297cc664b46210221009a1722b1d4b8cd7c9abfe90f82bb9f4155493b23709ba36b2d27da0bcb302a13
 . . . . [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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