tecnoacademy.it

Issued by R3

About this certificate

This digital certificate with serial number 03:e2:de:79:d5:83:62:42:75:dc:e4:b6:be:92:75:02:8d:20 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:e2:de:79:d5:83:62:42:75:dc:e4:b6:be:92:75:02:8d:20
Serial Number (int): 338536393932959511464354714813782252752160
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 66:be:9c:51:14:c7:d3:6b:2e:88:4f:f0:fe:e9:e4:8c:a9:be:0f:6c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a1:44:8c:44:f6:7a:5f:28:ef:a5:53:b1:7b:db:2e:ec:53:22:ef:2f
Fingerprint (sha256): 6c:bb:47:78:33:94:e1:1e:35:9c:7b:8c:21:bb:a8:48:78:47:c3:48:4d:ae:17:a9:d1:61:7c:35:1a:a2:4f:01

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvgdU9lac5bo7l+9GduP2
NdSjxyM4YQrQL+gXqt8rnsSS6xaxSY0eu4qIUVsYZ7Dkwb+S9mEeK55gekZhNhzO
I1dW1BBmHGHpFc+NvXYCYld0hNqKNcMVE5NxUphm1ZBixvwNUPCv6O9dB8e/naD8
4JTp08lMiIT/r14IvNQKp3bR31BmZy6NFS7yu0EVLJ+Z/QMux4fqtmXRaGAH3DTt
Ki5dlbhcruHcAJiCYQGRD49pLxW1Ti0yMq3NwaoXhuLBYsc92fuvhucTSD7xcran
jcXmYU+lmcRK0uj1zlGJC3ysjmFjiLY7dreUuxIzif0xoLHrhK4YIOhnWjSF2lt3
UwIDAQAB
-----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 338536393932959511464354714813782252752160
 . . . . . . . . [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 2023-12-20 19:46:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-19 19:46:08 +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 23988893430216101252614726019263988013676490138526196579308662662942920923343805731739967784314242430321456938784444436635354057413443823317581444895290083432953598739285364558862159489515396122602699289298895856180138202529441787776114828836944328022728809195588114847434837495195967267544408572903368309288690203636406740394517995006061332803954577933927215111757811307543415290051376723378038492345459751607209890028011383823526688374352575721567541595699910189850410728484303710990184122569050325259003452766321261909342528057384468697934666854602590945654584528637166913026291414734957029447691058312046354069331
 . . . . . . . . . . . . . . . . . . . . [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)
							66be9c5114c7d36b2e884ff0fee9e48ca9be0f6c
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c88fa8851000004030046304402205e0ea669caa0f1ab9ef951ca9c2d46bc54aa8a9010284e24137cbe6afdbea07c02203abdbdbebac62618028aa98e70050800137b54b5aa39cd1d779b78908c8a918c00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c88fa88710000040300473045022100a1d4629341a2045fbfe968e0efa75c307a645a9c3e7c661b13a28c9b25bf008a02204b6ca219bce3cbb361231c538611d19eb8ab8676cb63bd21c7670ee4b3261f22
 . . . . [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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