obiettivozero.com

Issued by R3

About this certificate

This digital certificate with serial number 03:c4:d9:94:a0:47:a3:6f:05:df:47:32:44:70:b0:43:02:44 was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. 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=obiettivozero.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c4:d9:94:a0:47:a3:6f:05:df:47:32:44:70:b0:43:02:44
Serial Number (int): 328321415897666385075479749061466241827396
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:f7:87:18:63:bd:1c:23:32:52:70:d5:e6:ae:43:28:72:f7:2c:ff
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4a:8c:22:7a:42:63:87:69:0d:6b:04:84:eb:14:0d:9d:ed:01:48:0a
Fingerprint (sha256): 67:fe:91:2c:71:54:6c:fc:d8:93:94:57:d7:c6:0e:50:bd:a8:c9:35:c7:ba:6c:9e:a3:34:4c:ec:ef:1c:ff:f8

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

Revocation information

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

Check the revocation status for certificate obiettivozero.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for obiettivozero.com

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

bruschini.it
obiettivozero.com
www.bruschini.it
www.obiettivozero.com

Other certificates including the domain name obiettivozero.com

(limited to 100 certificates)
obiettivozero.com
obiettivozero.com
bruschini.it

Certificate

The complete raw certificate details for obiettivozero.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAElKZH0nmhbWAtlDvkxHCa+9irkPur
ZLhwIMdYTOO6JdLWy42uJi79VfNUzD1y7bhVtn6xi4+6IArkKMO29t/+FA==
-----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 328321415897666385075479749061466241827396
 . . . . . . . . [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 2023-09-18 08:31:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-17 08:31:01 +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 'obiettivozero.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				000494a647d279a16d602d943be4c4709afbd8ab90fbab64b87020c7584ce3ba25d2d6cb8dae262efd55f354cc3d72edb855b67eb18b8fba200ae428c3b6f6dffe14
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							2cf7871863bd1c23325270d5e6ae432872f72cff
 . . . . . . . . . . . . . . . . [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 (76 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bruschini.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'obiettivozero.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bruschini.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.obiettivozero.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018aa7a1079800000403004630440220252256e97366700c1ea3cb51e10057c0baa27c8cc8f68bd8a769959dd3eb867c0220173bb36237e3aac13c54d3fbf50e30e9e704491a83fd16fd994fc504c70a638c007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018aa7a107a5000004030046304402203f8b914f3005c4839775090c382aa6054e5c7c3238d6f910405a2eeb914435c902205aaed04bae20323e4ec40c2419763ba77d345d4483e4779e0a9cfaee59e49471
 . . . . [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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