buongiorno.co

Issued by R3

About this certificate

This digital certificate with serial number 03:83:43:21:a0:a9:fa:fd:0c:e5:68:26:67:29:b4:cb:7b:b4 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=buongiorno.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:83:43:21:a0:a9:fa:fd:0c:e5:68:26:67:29:b4:cb:7b:b4
Serial Number (int): 306003080742090372887135915300381912693684
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 56:b1:d4:53:da:4e:35:7a:19:8e:ba:ef:6d:00:76:02:b9:ac:2f:a3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d7:8b:f3:c2:0b:67:12:86:4a:96:93:36:3d:69:85:56:b1:61:d5:4d
Fingerprint (sha256): bf:b7:c4:80:65:06:20:11:aa:12:1d:93:ad:80:0f:81:96:a5:57:95:c1:80:c0:a2:37:48:00:f2:e1:0a:9b:ef

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

Revocation information

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

Check the revocation status for certificate buongiorno.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for buongiorno.co

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

buongiorno.co

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(limited to 100 certificates)
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buongiorno.co
buongiorno.co
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buongiorno.co
buongiorno.co
www.buongiorno.co
trezzanosulnaviglio.org

Certificate

The complete raw certificate details for buongiorno.co 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 306003080742090372887135915300381912693684
 . . . . . . . . [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 2024-01-25 07:57:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-24 07:57:55 +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 'buongiorno.co'
 . . . . . . . . [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 764027192085373926410913911832287616731296304788187557585017508957324283536119520309980924511497876928086327945637630165330513000782147050634105892348798037547933734508151004566221401340618094605792866533424518077367146050387851676980196417150447294166761908431234740490937436760943147477183030152983544561438459985549291767052405951479993389859316648870960254510333668019037046445410471949402799391178843247260530587660385947251904996340820482073679494548925390177913953500033111448390243431140769910395321175173148949284815037733842680928081456320403281850751159360436006208121612300357810672021817540595916013349401418725189794946613088120179583927536519607525033136361819969430293710829692691261472276678900036781595566492991209344117830152023687262571588436423338239602057964798708147501854208321164640402622210481845439533501331298197259790402710445565490354071194564576713231323606264893157928964371384631705455304485645399866885237822718727013018675172253240750143900758267129008636700164243088414320820537674905881476641405723673061083187718445195099221118654132405781086922961290802496587762832614215973833958176539482278149462962344102934972769810593488748751102711687900756402120399990327777991510863163640060570762965951
 . . . . . . . . . . . . . . . . . . . . [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)
							56b1d453da4e357a198ebaef6d007602b9ac2fa3
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'buongiorno.co'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d3fd712b300000403004730450220739c75219277e8090d492918caafeb2da1e1282c087e723e57314294e11a8355022100b667690b9d63e5f95550ba6062a97080da06ceeca63ac4c5ee44fcc52ca3a445007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d3fd713980000040300473045022100f272a12a8b1a5daaf679daa3b9304d89809ca9aef905dcfd7e88cbb2bdf3fccc022078891bdbb23763847a93c9b2dc4440bdbd391747aadf71f567405ef716a5659f
 . . . . [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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