centro-ricerche.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cc:63:3b:38:61:d7:5b:8b:4e:fc:1f:ff:77:a0:36:bf:dd 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:cc:63:3b:38:61:d7:5b:8b:4e:fc:1f:ff:77:a0:36:bf:dd
Serial Number (int): 330886361707816266228251991907521560756189
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 19:26:89:78:8d:f8:21:b3:98:61:fe:e8:c0:19:c5:cf:f0:cc:0f:bb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4d:7d:08:3d:66:9f:09:cb:94:3f:38:16:a7:b4:2d:28:68:79:4a:4a
Fingerprint (sha256): 00:a6:96:e2:85:a7:ea:e7:76:9e:57:8b:cd:fe:21:7f:e6:9e:bf:59:2d:c7:15:ac:ea:3b:81:e4:73:68:0a:b1

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

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 330886361707816266228251991907521560756189
 . . . . . . . . [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 2019-11-09 01:06:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-07 01:06:59 +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 745808342076768069942941406989454909597666199937719518017865419884192604289953816902817363376377450501550275796745388820207168932401986132129782326266405335928401613459102767090015388269445756481024044250252835138724451031782443193582856659617486715231195494083836686068827046070873633616400474281407107624591625966252570677140236610845428103769957907883991384801238866380145490529691527869968452080417933866523461080796783105030278346879032570362301656353141845049694532993268789703232222069873499654694604025491844228806305781144251887775800320702277479915393017031682078342943916624731760207960089649373959188423064158567743623356043647724892852784651380225677078415748950790019653718183717443564671187552689619090430235960990753728886667438709628981927331567630983559462851131873007918739432130077355939739113175330244023848651066539144592906998141573180421806846250238924540489454843428662141056230482998083686903790263475637174089611403453691274592028694271610646620374246376171751571409783985758753168614794549126362878792176122839679759666927100932757202611517021285179093308265868086150741965871633492780808170696404586011745416401397768493811425230404188835092741078217953740385653040455339954922060446643624887765322953131
 . . . . . . . . . . . . . . . . . . . . [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)
							192689788df821b39861fee8c019c5cff0cc0fbb
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e4dea1f1900000403004830460221009afdaed67191b7c4ceec00fb729dc90ff204428e47f47fb940187c048991bb18022100d94ebea6c1781e2b8d692e1af74ebb81ccd97662df41b342160532165b18a4c00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e4dea1f45000004030046304402200be54a69e729ee6ced9fdd565f18a35d834aa45740b8f35da32763026e5c2ca402205583d312002a84f8c0950618870f27feae00f14e5eeb90384de72a6673ac99ae
 . . . . [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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