massimopetrossi.com

Issued by R3

About this certificate

This digital certificate with serial number 03:42:01:80:bc:9d:c6:a5:88:0f:d7:1c:3f:2d:a1:28:fc:af was issued on by Let's Encrypt.

With 2 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=massimopetrossi.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:42:01:80:bc:9d:c6:a5:88:0f:d7:1c:3f:2d:a1:28:fc:af
Serial Number (int): 283797491679649661050756224915236188650671
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c5:5b:c4:62:05:74:5b:a8:d6:17:ed:48:90:28:4c:2e:84:a7:a9:79
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 98:6e:07:07:80:b6:2d:88:a2:9e:f7:06:f4:d0:12:9b:26:07:94:b4
Fingerprint (sha256): ae:57:e3:c5:f8:24:cd:08:32:3a:2e:74:1e:9b:88:33:bb:c1:56:0a:e3:29:0c:36:f0:92:cb:6c:7d:41:c4:25

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

Revocation information

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

Check the revocation status for certificate massimopetrossi.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for massimopetrossi.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

massimopetrossi.com
www.massimopetrossi.com

Other certificates including the domain name massimopetrossi.com

(limited to 100 certificates)
blog.massimopetrossi.com
blog.massimopetrossi.com
blog.massimopetrossi.com
aprojectfor.massimopetrossi.com
aprojectfor.massimopetrossi.com
blog.massimopetrossi.com
massimopetrossi.com
blog.massimopetrossi.com
massimopetrossi.com
aprojectfor.massimopetrossi.com
blog.massimopetrossi.com
aprojectfor.massimopetrossi.com
massimopetrossi.com
massimopetrossi.com
blog.massimopetrossi.com
aprojectfor.massimopetrossi.com
aprojectfor.massimopetrossi.com
aprojectfor.massimopetrossi.com

Certificate

The complete raw certificate details for massimopetrossi.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 283797491679649661050756224915236188650671
 . . . . . . . . [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 2024-01-13 19:01:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-12 19:01:30 +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 'massimopetrossi.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 829481925831006493064111669634803076035813600770336920041361055358703829336265131870755781896937129638863670521764685737649156232923950846846109590490001431952532347184317455794014854508010417381160386695518448789924520391944293169568864795489785377597678938530672898194370434726506224847210126591447291064578579197398127243363606148559292952354139793134031999454619492938885909595827063023808212509420487860687740842582106463209962651962602498838709285629397501240789744346705745537460320218752831232954319410030419025379946002037311957245284745645365322739437599514861930096311946341046386107926864580611797687340107167971957489988978865221223468019131404762402621460308546821727907761644337186189858588081723982223693350748179032128810167273182645605863354464532846554430962398862285807275431156240214314493507620302888598119040156012994681586388138385919401989848390991600943235841161237142082578159792309504332863177636366666673588881894734808622232332721438568686090775955075111594921204240091527274326538648591998082609160579416596508344472077882835038545202031002672457160575804328777660674616787977309755476815983255149721221874018746871939762981104169412477463280449381830326572372246059320581145257745128890838744930126963
 . . . . . . . . . . . . . . . . . . . . [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)
							c55bc46205745ba8d617ed4890284c2e84a7a979
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'massimopetrossi.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.massimopetrossi.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d046a4cc10000040300473045022065cc109cd46b153e11f9a0abb673bd6018bb72ca4b7eb0e419ec348e5ebb7f90022100d6f61f0e29b951f4dd5d49f8f18e0fed018415671f0943226a14b4e0941fe29800750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d046a4d0f0000040300463044022003a3394420cda5be40c6aad26169ac5b3e0047596f0e7c83c413cc6a6649929b02204c1833e33d9b2010d93500833948d2d38bf2c321b1b739b955cb75cc2b4543f1
 . . . . [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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