tecnoacademy.it

Issued by R3

About this certificate

This digital certificate with serial number 03:9b:cb:d2:a2:9e:ff:fe:97:0c:8c:d0:17:cd:ce:f1:5b:f2 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=tecnoacademy.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9b:cb:d2:a2:9e:ff:fe:97:0c:8c:d0:17:cd:ce:f1:5b:f2
Serial Number (int): 314351551631858463939492072502892067642354
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4a:3e:d7:fe:ac:4b:e1:9c:df:39:09:6b:65:88:28:9a:2a:ba:60:b6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a7:82:35:7c:75:80:04:9f:c3:de:45:28:40:7e:37:51:29:02:c6:4d
Fingerprint (sha256): 1f:28:a0:96:cd:71:a2:1f:a1:ea:a9:ca:58:c7:c3:43:d6:68:7c:99:0b:58:bb:b2:9b:db:2d:da:96:ea:13:e3

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

Revocation information

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

Check the revocation status for certificate tecnoacademy.it

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

tecnoacademy.it
www.tecnoacademy.it

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxaXpavleeqzHbPkasXPO
n0vqhcXfjIoo2EwKGj3f9Txna8k3rIKDv1fcFhM2R69C/UB5RpUDWDz/2lVgmPU8
x5Mf2lxsIAftkhgqh/1u51zt0T4rz1IS2g+Qr6mvyes4zYTZ8YoLMoCCA9IFK//u
sEEzx0HlzpHBOmJn2pWLBnVNmdX67Nokv4caEJ4qpghkMAz1s9mg2+3Rp5Pc9uMi
cpKBk9QHzXKRi9KYKjVZJ3GpPlk+cqf4WCcTCRKyVfJtso80XraP5tparce29Jjr
ZAL1mbsAHAKOiG9R4Q1/DuliVO9o1FmARwx3uJ270iOfFAiT3iMJGmdytn+Mw6Ar
SQIDAQAB
-----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 314351551631858463939492072502892067642354
 . . . . . . . . [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 2023-10-21 20:32:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-19 20:32:24 +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 '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 24950760230500394431176219201636411086777739183628743248409045228431847902230634986604380595070785704214338264473228423058641841333046668214606349262223695007241159443934349430792317221341577462652694521242472580808005126168079381300128615041467925336684729071315315432929926832252815901484650968714954441521862647453278812242085081711913345850445269437145308803645824885523748486578663615294929561588698128944624137057347521434427768908963706622953602990099051909779756787863645861953320526100028241179677116740347949509935379097087629697420357828334427046184122566445173415598513773565198196020226992207202705484617
 . . . . . . . . . . . . . . . . . . . . [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)
							4a3ed7feac4be19cdf39096b6588289a2aba60b6
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tecnoacademy.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b542755e30000040300483046022100e445ffcb42d6c38620ee9fc9f4431441508f4aaebd8e771dada27a65cbd0e30a022100df99ec2b41361c617d772f5b3b41a7c469bf2b4404a4e28d7e5ee4aab2920137007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b5427565500000403004730450220438826e0146e78a5afd7b28b00e75fbd3ffbf68f091f0d330a8adf7906c4e40902210086eec414d49e6f37e715f549eb50b53d50e22b9a2c34fc9180c5dfe713653054
 . . . . [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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