centro-ricerche.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b2:a8:38:2a:21:67:61:4c:bb:7e:98:1b:79:72:5c:5e:16 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=centro-ricerche.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b2:a8:38:2a:21:67:61:4c:bb:7e:98:1b:79:72:5c:5e:16
Serial Number (int): 322130721033631457553862913942984750554646
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cc:5e:09:ba:9f:d3:f0:8e:6c:84:48:62:15:0a:35:70:a0:96:6a:66
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6e:65:f9:57:e7:9c:d9:04:3c:74:73:67:ba:5d:31:e2:13:aa:8f:33
Fingerprint (sha256): f0:6d:74:d7:11:dc:10:62:98:4f:99:22:ee:02:80:ed:66:92:40:db:28:ff:e3:3f:06:ef:8c:3b:44:82:64:88

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 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

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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 322130721033631457553862913942984750554646
 . . . . . . . . [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 2019-03-22 23:35:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-20 23:35:38 +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 908158006157859023184086919027709953530098415015381545164111774744459453201736514019513108061282765938171616919261645073891312905682671002833603724757875105516389519640439108612338222119434723832189481637497389139970751626272940470586837938026039447847457494711950764215725782327637915477994344071984143777418326695228711539050179468378868395708423211972895851673273850793361111562008105075048400589102218960190312944460506940110274995079932156624007037974883110855705358276627170088093383497249603623792547900376736061112116192391639858455738229868393583527826622181084806160879678522476824900390532802015449872181038919542338103835152644740913594829391681175083561912738126076128852154018907552021058634189545162511732314957418754409021958036866698851531917166413591747031154353441669748723474274668157404858264665410344544060245966736194332382581325259730355826488546740818635362737003923986092382002625053379594736494008297801247138963372284718757298783710071820863041917791769792584619184323985259845821190824428609819099885894954339029546008175951498361956410021611478084307600802797949694890901323726827464736302967970001920309481512068956924275179745452151904901936950179299151700326120175886222615269009444520488801386790733
 . . . . . . . . . . . . . . . . . . . . [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)
							cc5e09ba9fd3f08e6c844862150a3570a0966a66
 . . . . . . . . . . . . . . . . [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 (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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169a7f977e700000403004630440220614703abfb8e7fd71759338337829c541f02950e206e3e05f2d24b24561d563a02205ace5889056c8f8b0a21c1a2bc39e47f6238d2925201db0e179fe2cc2c0baca300760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169a7f977f100000403004730450221008325ed2a9f12f72ad0fd9d78ef111dc406d6b8504275989bb7963f96ae4bcbfd0220082680ba9f5a52452561affd1473ec04f025131082b1564df7f7a983927cd7f8
 . . . . [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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