uni-klu.ac.at

Issued by R3

About this certificate

This digital certificate with serial number 04:44:16:07:0e:f9:2f:b1:8c:db:d8:47:93:97:45:9c:cc:69 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=uni-klu.ac.at

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:44:16:07:0e:f9:2f:b1:8c:db:d8:47:93:97:45:9c:cc:69
Serial Number (int): 371617624343346387352695964929145486232681
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e8:97:03:83:da:13:f8:ee:a3:b9:36:42:6f:72:73:14:38:a4:4d:fe
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 71:21:ef:74:0e:4e:ac:73:e5:d6:a3:df:45:2f:f0:0d:0c:c0:0c:1b
Fingerprint (sha256): 28:3b:78:26:1e:f0:66:1f:59:e8:64:43:5e:a1:c3:13:15:98:7c:dd:03:81:2a:7c:bf:e0:35:bf:4b:97:83:38

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

Revocation information

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

Check the revocation status for certificate uni-klu.ac.at

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for uni-klu.ac.at

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

uni-klu.ac.at
www.uni-klu.ac.at

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Certificate

The complete raw certificate details for uni-klu.ac.at 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 371617624343346387352695964929145486232681
 . . . . . . . . [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 2022-10-30 07:17:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-01-28 07:17:37 +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 'uni-klu.ac.at'
 . . . . . . . . [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 863444385649017814561352066152298416851830343071894363928831747126199072632009219547506993505363852382676913884929771763544427684239102889544804927373960754753373352170622478791006816313487282954968053221887378233345354789015577951759033286835532933716615709246159635330744361570858873899450021856246232024470800753936639778731966385225267511940801152347881112930979616477216677221695607617581384967186667228162506747074813050258837752351397592260274114907352145240290386280989004520923657220628068664789114903595811062840043406384766092736165555455917436652924477239452367084853209530203102189530515494494850258964094283298672198517230936859181344057339426477888883104112036649235064194823472015712498047690557604264209323873487670096665721219257954391462164437917033480573114231533102449755965531876598736487854429777566601356102721743554217781265327024213346483368208418509989613076498201338697507919513843614969873257082706698937109220488931487769472392608007116535947617385351325891895360762239830527922438742913244892883409964814673493387984294437841370561461645050756269982019901740814722621773242871125232592445734360119456527050308195410939238889123384879967603782777931161389268851642146161010469844696350405411896409903561
 . . . . . . . . . . . . . . . . . . . . [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)
							e8970383da13f8eea3b936426f72731438a44dfe
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'uni-klu.ac.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.uni-klu.ac.at'
 . . . . . . . . . . . . . . . . [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)
							00f0007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018427f7bd8c0000040300483046022100a76a53a87569eaf1fa56aa16deb62f3e5f3ee6bbfc449e7d268570ccee043d42022100a84ff29798cf10e1d45b926b7bc7a7d8d6c2a76e0b315a2de70d01b5df8c8cd20075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000018427f7bec80000040300463044022027e064c6eb3302c0689e9dfd8eb72e06c4e21a086d208731b1dd52fbb8195cc4022002374ef7d4b22403441eca75f921b4bb2e72662d9633e95506cea59c9965af85
 . . . . [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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