university.4dem.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:de:66:6f:c2:a8:7e:18:c7:41:89:b8:57:98:08:46:a9:45 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:de:66:6f:c2:a8:7e:18:c7:41:89:b8:57:98:08:46:a9:45
Serial Number (int): 337015704800387257090881339987873231186245
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 96:d1:e5:79:a7:5d:79:b4:ee:6f:4b:6d:71:05:93:10:0a:1c:f5:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 51:7c:71:8a:f9:d6:64:88:3d:76:da:f7:15:bc:30:05:09:4d:6d:a1
Fingerprint (sha256): 7f:0d:4f:e3:dd:61:ec:39:e3:f6:f3:20:16:82:17:1b:21:40:78:23:bd:25:e6:6d:1b:7b:5d:0c:51:2a:c9:ec

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-----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-----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 337015704800387257090881339987873231186245
 . . . . . . . . [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 2018-02-27 19:44:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-28 19:44:24 +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 '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 949766978071562189373514490170872741862057102420109058507948329903827883960397111743789848692191203536740072915761810513439991659294814183482858378017263184703050292825591227213719678674609714020367822715050230807361840397931772643775575919287646655530513471479816353629570769196761879112172656870977934457012870362000962314454448394397333093165248633993830903428747806924844437153775763263322147434134202478599663344809387139584731462805256799840569973430864305011229954567047182397755182978655435919627652968421580401474275770353160120966796556806027808307408800242187886644830340755536159409513616491590755232872244323087612528335374083492680372739058024815300076863994957249025968191045617556184724754185692996782121561433027623011993144800640240180272699616364591337306785142115335815320681970990303215535451152210521296313159995767368296903744231002053999145397140894819708904125898022807447717669067732837969228670831173544472745823038921858846047921101631935512921597084251743851535146961523520995036295612399453573109999173143831224885005240862752845870512040814144035384439335373120385886506004443727527200081795018111023039978128525028561164392059885510113619252594629885483023724180340117869993611705822495405628562343091
 . . . . . . . . . . . . . . . . . . . . [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)
							96d1e579a75d79b4ee6f4b6d710593100a1cf556
 . . . . . . . . . . . . . . . . [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)
		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