centro-ricerche.com

Issued by R3

About this certificate

This digital certificate with serial number 04:8a:8b:a2:e0:31:05:5a:dd:af:b8:f8:d6:4b:1b:be:60:80 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): 04:8a:8b:a2:e0:31:05:5a:dd:af:b8:f8:d6:4b:1b:be:60:80
Serial Number (int): 395593718752779268949281246071542295453824
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bd:10:10:f4:e2:bb:e3:83:15:59:76:7e:12:1c:bb:19:a7:14:8f:cd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 35:26:6b:94:17:0d:37:33:2d:dd:cf:48:e6:c1:bb:4b:4f:f1:17:b1
Fingerprint (sha256): da:78:8b:10:1f:e8:7e:1c:67:5b:eb:c1:6b:4f:47:41:bc:1e:38:3e:7c:9d:71:78:5b:38:b1:0d:c7:fd:fd:e6

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
maintenancemaid.com
tiepiren.com
centro-ricerche.com
centro-ricerche.com
www.favolavirale.com
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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsN1iDNGZJBiFR8DQOT/D
pM4nSJ2+zWVq5rQJ++0MKNTR9VbWHbUJUgK3CjTOZiBJHf2rQMQVseIBirqIiweQ
OA0vda+v5TZImeJE8Za99xmltJ3wN/pg1UfuQ75k3RBm4ZiRs3XEZJTR0MuqEnmM
2dF2/5eP/aNlUpzKuf6mV4EvBzaMvhwkUzdTpsC4zjMGagm63QAx1SxKJI1YuN5A
VT7AmAgM9ocrsx8OGa9zL6wmLQx0r7csLByslJF94hDFaGtfb/IBRF3F0wevMAaS
3wpAMZId0CKgkpIRJjoEDqLw2gZGwFkdCmL67KeOmi5sg/wkcmAS+YEVRQVXgsCk
X+PXd8ejNlaugqjvHkO//1AxXaZQct47FdEurKIj3wFsLG/D7lO62ZzstCrZ3a8P
5lwVIdQ22bEDHFXwvKh0m5H1vKMMrDOcLxn2kIswdNVAZMX+4JHzfZXf10NteFz+
4CqSDB76eBBRXPDOsOWXvdJwm70NeQKh9Tlz4C2Ltojr+e+kHf2c19pzqAeazc/G
T3oBEtSA+C3GW57hiOXPr3WvAx6RHVSC248cX5v1W3DUNdLlxAC7v2GeqhVtRsLQ
jzNRik8TIaN2jIifOzDkkxAao4imTVGrOlUrk7joKiyPxZ3mRW9Se+3MnjPbJMOd
ceIDJBTYoiXwFEseOnJHSBkCAwEAAQ==
-----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 395593718752779268949281246071542295453824
 . . . . . . . . [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 2023-10-10 22:10:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-08 22:10:45 +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 721545339861188749106108854406945271650981826957672744526940559641361989524030405818118778332675532928765011793875537941685906953988934164835962220407657308229014972229673553144387262075484859762450198090719599247553100646395659722577783351239193137661701434776194769857402372623580943291134138683838222191858807970833108080867562713643567761373449592332675256675364071616527341347561928699068594298589167008687252113476001513285431282391433177405591498575047244292620090618413039598692789645576452688678930214576250064096080461227858497264879594842916730524119594573479432849749209768268962725648442048779377905378940975293079363265834959959936561966076555571784724231334757540241986176467765708071764125611636560292157871755352645421395359147636513981519270319373217596550065758674828242611769156642073442974472340570358776794024739203712984871370983130226427107906603498596248595908094774022846731527254554754324066923810932116113785380275507774995663160127322158010317332331473565724296405679018056521843737339631560546483874614281220175927261814432706241612753366600891787821399141795715442949059233290754709404541239963408772736025762954560294732476707011727971435224769392871526457134237366446393735923113962255158983367542809
 . . . . . . . . . . . . . . . . . . . . [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)
							bd1010f4e2bbe3831559767e121cbb19a7148fcd
 . . . . . . . . . . . . . . . . [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)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b1bdb6b060000040300483046022100b723c4e624528180d3530de252e50705f55fa961b8323ea9c9a6818fe4c6609e022100c9c870b22f96cab7315ca2d2694c40c4cfb10737c8f22bcae71941dff6fa06ad007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b1bdb6b230000040300463044022039dcfeb4310cbfd8cf0af639ba93b6d4aae8fb8dd0995b44ab902a9a1109b70c02201046f93aa85ad7c7c47f0d9008111bef8eeba06113aba68237b2ae041789d440
 . . . . [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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