university.4dem.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:30:ff:cf:85:24:ee:a4:ce:22:ae:cf:d3:ae:d3:ff:a2:60 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=university.4dem.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:30:ff:cf:85:24:ee:a4:ce:22:ae:cf:d3:ae:d3:ff:a2:60
Serial Number (int): 278010442052347204248828117030411301790304
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 93:c3:fd:0e:2d:a1:17:da:a3:87:68:1e:01:60:16:ff:e3:09:1b:e1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e0:e5:b2:54:0a:a6:15:66:27:fc:15:8d:15:12:16:08:ce:fc:55:a3
Fingerprint (sha256): 10:be:c3:da:91:d0:df:72:05:4d:d3:f5:6e:ca:fa:bd:0e:47:aa:b2:95:e1:5f:e0:48:64:23:09:b3:84:7c:8a

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate university.4dem.it

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for university.4dem.it

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

university.4dem.it

Other certificates including the domain name 4dem.it

(limited to 100 certificates)

Certificate

The complete raw certificate details for university.4dem.it in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwsHdu4Q17LpLs+1X9+8G
hILlDrNQkcUMANeU8upi432IFeAaQM54CvIt2mBTYCSswfJ2wa8eJAm2S3od3kQq
yd6vhhmeZnfYKbqzGEw87eEjtdBmin5qDvmaLhfDgXgJ+aZjt+Di5+PnrgxzBccQ
Tt6tA+Ymwo5PQBR8nXcsvGViDI83TOF22gbJ4FovrkHBChWu2p6jwY1YHNdOByHQ
elCFsaBMClVYwMxYE4U7nM3cyPjQokWnW/5FnBOVv1ZNAFze9cYAKW5QfPpLalzV
zQKp7dj1Tiw6B8D/+FbY4lz6Nr9k3kWJcpiDj/DlXtGXItNBkp3BEW4ujG56T5Me
vO4fb6Ym3NM8qF/UU/eZACw+Jt1pztgsOW51d/SKpQAci22yXZoRQebq0SgOqVnF
6x5kE/nAgQMnLPOtVHm+hSUFQojengiY1k3BZ7QDLJZm7eMXqd3bbI613rer/rQk
YYzgk0FNGbnE43RrDglQUh12GDSsk7Dwli7RASs63WakWb+jcfUe4sptbes5fyw0
8Jn9havTIvTC464cN4uRY9NBcglXY1fwnfCpkLcAJFhIjR+jYWcaccJYy+xkPrSJ
YwkYs+EiYgKAx1C8hn+O40C7/31ic08LJpQHYrD7LRSVOqyngSMRX0T7lkc6OaGE
L4Dfehh4lthDaDS5mFsXzNcCAwEAAQ==
-----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 278010442052347204248828117030411301790304
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-28 21:05:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-03-28 21:05:16 +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 'university.4dem.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 794540421298786147504966547305901723015725957845150800866329379494778318199488199618622787841338017242775403008461825967233572032593265647226072114129921721279870511987257731242452129528177623064944029011496318241979388605344851340064570078998934096527448163127788011907453007715825395654134426406488147740076824535070867719966068415571440000292209936986462625895722853676790583160027406859235214595342128854410426331262531430898153678458905639456464086722420474762849811935722542314981067739995142408340870000438540715504762867698343259533095560423191225271191857423219710975003831864997167976880886215660312697575558608097290052370953588011920422215108708922347522871322327350945037073068987755375097667964963924612121853238326057426045669543423295176320533709660086296919202535549157695349321447924696942758444323402780701153217657974469873880937728096771286229211657512976683236410775439503616602012414090265758272021140430874239818477718108439862379671023976896764610165019473013572364500772191210420766355679078230408240253013864996649136938562189153702661428316671755252654240704940972310210882033502161580978726014290783403075929648825617461285263178482783974180469524523467179945307697001569863762611379913312576888794238167
 . . . . . . . . . . . . . . . . . . . . [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)
							93c3fd0e2da117daa387681e016016ffe3091be1
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'university.4dem.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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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)
		004e9a8575fee351975810c2756d57c65fa24f9b6fde2f576c03df48bd65e1af25c48f6ec012ef9aafab4472562e719b345b2efdbb967a61f52c6c4c97b99d9e930a6353d8ceec0142d36040fa10c16930f2a40bb23d21119cb035e86f9583662e1eb0ea31b927b9d1e7f69e07694bd558e07bb5388c5c04b82e645e2320c83a7e7c02ae50875b03a0d058c226f14e9efa486ad8c26702756da4c315c12838d5cabac34fbea9aeb8491b170ba9e4c70f7acb70afe6606b7d89ef090b1c0bd89ea046c0911539532b8c5d3685ea6b954a1c0bffe66eb6e643710b6138ecfccedc4b9760d10d83c471b9734b2b25bb5af80d458ddbb5556743a0dd39395ad29449c4