www.3di.it

Issued by R3

About this certificate

This digital certificate with serial number 04:d6:de:1c:00:26:b0:6f:96:c9:86:c5:10:7e:c2:e0:ab:7e 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=www.3di.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d6:de:1c:00:26:b0:6f:96:c9:86:c5:10:7e:c2:e0:ab:7e
Serial Number (int): 421564804250563382506725065981867642104702
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 26:b3:0d:aa:60:7d:54:cc:06:2d:c0:bc:ab:e4:5b:01:76:1f:d6:9d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 93:97:88:ae:3a:50:b9:a7:85:2f:24:27:3f:b4:12:cd:1e:0a:44:13
Fingerprint (sha256): 10:21:1b:77:6e:55:b7:c2:1c:a0:e6:b8:48:3b:75:0c:c1:db:3d:c1:2e:1e:d2:d9:0b:87:75:61:a5:da:58:98

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

Revocation information

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

Check the revocation status for certificate www.3di.it

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.3di.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

www.3di.it

Other certificates including the domain name 3di.it

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.3di.it in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsyulfdR8UNjTsvlzRyyr
tK+PXG6KpdbtKwwicmk4bhWmbKsP18IrtZ/6LJtha1wgyCd8CP8HxhrgQG0SSpDo
TXBM9FeBUmzKNQqXzfZcJapHgocBBS+zbxatNcE2fOVf8yYmPd74zHCo3dxqv4wX
asgKDHX9DMgAMG6WT+9OaPnCGNsVvULxxscLa2e5+IHVtqlFb3JyfM8Q6QywYUdj
2R/l8NIOzWdyhi7f7lxUxpIo33dWTDuvnIN6evzkSGhm3W8Ug2htNSoEsi8lVEiX
Q4jp0jBKUlVepAJnwNgjZXg8+LcWW3V66vTyyVx4sTliaIKZhheobQBU+0VNULU0
9QIDAQAB
-----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 421564804250563382506725065981867642104702
 . . . . . . . . [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 2023-10-08 08:12:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-06 08:12:21 +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 'www.3di.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 22618179456210903567616171999482425996164815350721838133512122467541526350587190681261580882361923915480645860734637209023786223675245073374399764213208404958489050478154659795477990035488912033874122213928779089236817791176806400878531115242983410844382835554235227235512098255468111905531621408976502853737233667769879640903270861456245523397727746802958309631303027657909465532999791689115851475813266035767239996641074054067279150209475019321265224000905808410417153656615157609097070886421658094136520270838694299117231072034098618410590999190436453507651186611139454845597765592756870930461372183827863827723509
 . . . . . . . . . . . . . . . . . . . . [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)
							26b30daa607d54cc062dc0bcabe45b01761fd69d
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.3di.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b0e8f219c0000040300473045022038b4e0fcac368f2c1eb4856e483fee17184c58e3d8a65cac365036593c1802a5022100960a8e420f2022c27a88ae111539bb3ac056c5054911667180fb254cddba9951007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b0e8f2193000004030047304502204c5a26a00da0c21c418a0dc90cc1f90adda6e21f9bc45349d892a666a4eb371a022100f34c56123eab2f5783b863eab4d1464f2410b35f6d951803ab6559afd14f9f82
 . . . . [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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