blog.tecnoacademy.it

Issued by R3

About this certificate

This digital certificate with serial number 04:97:2c:12:cc:96:5b:9d:af:13:35:fd:6f:68:70:c6:34:a2 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=blog.tecnoacademy.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:97:2c:12:cc:96:5b:9d:af:13:35:fd:6f:68:70:c6:34:a2
Serial Number (int): 399890364774784821780866596841955019601058
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 44:4a:92:39:f6:cc:94:3d:9a:99:42:55:c9:67:d9:f0:5f:4e:b2:61
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e2:43:fb:14:88:1a:7d:ea:5c:e9:fd:47:c3:84:db:7d:b3:9f:b6:7f
Fingerprint (sha256): 85:b7:73:4a:09:d0:3b:55:41:7d:17:ae:14:12:97:d0:45:69:a5:54:bc:e0:ab:57:b2:0a:3d:80:a9:c9:35:96

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

Revocation information

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

Check the revocation status for certificate blog.tecnoacademy.it

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.tecnoacademy.it

Public Key Algorithm

RSA

Key Size

2048

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

blog.tecnoacademy.it

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Certificate

The complete raw certificate details for blog.tecnoacademy.it in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAysBzzZBV8ynS5jwSdnK2
Nvxfjfups++yKS43K8UVzRIePgw3WnPWY7SBkzdoeWyGLSMspDV2GYebYMS3wYsz
ooIZH1q1GaNuxDwFXE7nnJBXBodsxTHbwrnnrc49WduwOEUQCr/tK5ygUZjhe4Vf
cr19Xa8wo/p9uzeqdPGUQH6vJloWxHmM9iK9mWACVU/ApXQmx/fyotJdBC+9tIOs
gpGA4nikILWxF+BXU1a+NfKWpsPdLZgIAHN1IDjhvQf3Ut17gcyCcWzMPBLiLzuF
ESsR4KMHXWptv3eLZr5/4rQJ+7y8bQMtduLd8ufE8Mt12QIHBDaNDbVXUXwyK2aj
NQIDAQAB
-----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 399890364774784821780866596841955019601058
 . . . . . . . . [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 2024-01-15 03:46:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-14 03:46:18 +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 'blog.tecnoacademy.it'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25595039396632249092493011435690437371256423393206260960969673559344176469056974583732870745148042157627817787400138561605883723375559903299664560682387633358493536848790770951467224098101388573074966628375809507340799759942569225419739244308470132941160565983518353728908803523159124013165585316314183777226509353077664818065868743907975591482642965266036655807303985273221565724924587785951930254353078762786978234514538212628838765326520878464854584088075150058572130075838267781960895878241072935091929864904540624316013796789543400330812674814128141475606726301674866799192468783623354711358526654889192415732533
 . . . . . . . . . . . . . . . . . . . . [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)
							444a9239f6cc943d9a994255c967d9f05f4eb261
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.tecnoacademy.it'
 . . . . . . . . . . . . . . . . [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)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d0b7121e4000004030046304402205c97e14e179a5665e82c2c85ca9d4044f42a81494f5e86ca47c2b36668dd4ac702205fd7c880178930905c1409d1725ef26c8a6733efbf6d930a4700a4c4fd685cdb007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d0b712210000004030046304402210087de5e01bdcae7c17c8f1cf72d44f1e22cc8bee110c5e624c3603fed2b7dbe5a021f04fcc9a14dcf0eeadc8d5ccf87d7c5dfc42d0c8a12c1c04480b89a8ba4bd48
 . . . . [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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