university.4dem.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:52:7a:0d:eb:b4:8f:d4:cc:a3:0c:4a:e5:b1:17:9b:77:4f 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): 03:52:7a:0d:eb:b4:8f:d4:cc:a3:0c:4a:e5:b1:17:9b:77:4f
Serial Number (int): 289402249978814454358880660277711886579535
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 29:d6:f1:eb:2e:f7:f0:92:14:36:6f:ab:8e:d1:df:81:7d:18:d5:e6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 67:21:62:53:c1:3e:ac:59:d8:85:7d:12:13:83:e6:4c:9a:5d:e4:a6
Fingerprint (sha256): 46:57:34:95:b9:81:42:13:6b:49:69:df:d0:bc:72:ba:1a:21:b1:47:6a:0e:37:90:65:64:ea:8e:89:8a:0c:5b

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

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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 289402249978814454358880660277711886579535
 . . . . . . . . [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 2019-06-29 15:43:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-27 15:43:42 +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 782476671870781156241355145150509757169658393723958979422851958826465658008338430627933387339543298970861226608471132915212319421645164430965817850818898467068067814156301584289674060623463059337801528502873162589171295581612574183945575576029197386369262125538831320493737778744199172100302218487121650952474932422772979993961710676623299063661700324657735238680390682315725937225853128479902716862518906697739238178087623270243013321949492707555769896262013496779903285071631992939302962819434188756770016011222521572391295991122306084916566434513373358082946430095772264284134033248730206948438122177948500105140601773891333433848453770455554024418390743016361541617401922596547572476145949037488771833257724793040929174017615899484904663953836440978760769112347496342858940948399396295742356992184524799046415088398682101507301019135142241136681949552143707281586379185595317201066153189871463638166018427902969200844917049388369372563801339812982774407415393288258316922560041246855828092534351945081391047647670242335497410821104061355738015125956999667050032782126215833089634633647720153607283792288471137748019422119039724751164433843199013979225906535579193371682705323755270521826834209162393354185517059004121282245062453
 . . . . . . . . . . . . . . . . . . . . [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)
							29d6f1eb2ef7f09214366fab8ed1df817d18d5e6
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016ba41efe7c0000040300473045022045ba8f0fdbf96ba1fe555f714fe1507a6d1436722d3f962c15734153232c7b20022100a3d9ab287e00adc117ed2b72f6ad902bdbed82710f8e45704a2412c4e67feb92007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016ba41efca60000040300463044022068ae34a02faa9d947c32285a49851e1c42b47e5c759b3bb08ac1fe6bd162146902203ce28a8365d994ca26a61478ea40f259ae05f4f0b6b02227223b7af24fbd9a71
 . . . . [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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