university.4dem.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d9:2a:af:09:9c:f4:12:36:30:67:c6:a9:82:9c:2c:ab:32 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:d9:2a:af:09:9c:f4:12:36:30:67:c6:a9:82:9c:2c:ab:32
Serial Number (int): 335234867839874412716973084435001811708722
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 72:d1:42:76:9f:54:2e:c1:02:15:3a:bc:ad:77:ea:b8:6a:ec:f2:bf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fc:a9:a8:a7:f1:6f:e5:91:21:6f:79:fc:3c:d7:3b:6e:b7:0d:12:4f
Fingerprint (sha256): 3e:fd:ee:70:c9:91:be:6c:dd:82:cd:b2:f2:7a:fb:87:46:fc:04:88:d8:f3:fd:10:d6:38:ea:20:da:41:be:fa

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

9 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 335234867839874412716973084435001811708722
 . . . . . . . . [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 2019-02-28 08:32:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-29 08:32:49 +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 671018363924333708551119916859866268854270042055329587450361077671379213798174266403806132193855308920422922907605162301849532604475620095346131412766228231734130327173381049307146111512828680824229167782651071198419153842494926807746501621103235299529012574867002857038781429754975390039292835184571353797960373320804379412629768470794128819336108051721037622420341894911465741204109987667385001408885407474002665742401658532672288905132613621930615990256846254746044398988564496802852087822867704443213752474207714794612148712248325770766465548967802405620717396048857542216192770031217620881565918105475598156345440295295241990379901540560354026582690131979158259880937479195611504991235712940740290123886416999319808680375396941355881760047978859889934764660897272709281480861880854404471645738078711467083934848438427932961505791256706000703131570823207547623865009456974577035166108891637807642412671716870515960793902754758776536859487127352742699463286698423328640080446410803750122750515779627948720658876838235790338483680622510733403100987116774333026936395049652387159295980456347297592355738328603354610259193102032666804153391105162546152898675676281607975666585872221938394278893436697497046462076450691289954180319797
 . . . . . . . . . . . . . . . . . . . . [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)
							72d142769f542ec102153abcad77eab86aecf2bf
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016933730304000004030046304402207148e636cd6f4bcd0f67fde5fb6600457b0153216d2a3d7dcd2df31b48f23468022046d4065747b69ac5bc2375c56653b11ab5862e2d0ddb8b71000e93fa357ecd4900770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001693373030f0000040300483046022100c19700720769784457e834ca7e140d3d30ace1eed3364ae899f531f25f0ad4f0022100ea58b853b57ea7bb4aa574bcb7628780a84b17aee143ad2c83da3133a8d5d890
 . . . . [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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