digitalpractice.leeds.ac.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:dd:be:40:95:a2:42:48:2c:ac:78:04:56:56:50:c9:e7:78 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=digitalpractice.leeds.ac.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dd:be:40:95:a2:42:48:2c:ac:78:04:56:56:50:c9:e7:78
Serial Number (int): 336792149545940727145779986288423685711736
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: db:7c:90:75:77:14:fe:01:aa:b6:4f:8a:a2:26:9e:d1:b6:37:9a:d3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 08:9b:35:b6:86:d9:9b:ca:ec:be:09:fd:0a:0d:36:5b:2c:dd:52:4c
Fingerprint (sha256): 03:54:a3:49:ee:2f:b3:fd:4b:ed:8d:74:b7:fc:ba:46:72:b9:9c:6b:4e:c9:f6:70:bf:8d:e3:33:73:14:63:da

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

Revocation information

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

Check the revocation status for certificate digitalpractice.leeds.ac.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for digitalpractice.leeds.ac.uk

Public Key Algorithm

RSA

Key Size

2048

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

digitalpractice.leeds.ac.uk

Other certificates including the domain name leeds.ac.uk

(limited to 100 certificates)
www.writingchinese.leeds.ac.uk
it.leeds.ac.uk
www.sddu.leeds.ac.uk
www.environment.leeds.ac.uk
trmcommunityvalue.leeds.ac.uk
leaf.leeds.ac.uk
see-dev-01.leeds.ac.uk
www.microbubbles.leeds.ac.uk
mypalinfo.leeds.ac.uk
coremathsproject.leeds.ac.uk
blacker.leeds.ac.uk
chase.leeds.ac.uk
www.imc.leeds.ac.uk
integrable-systems.leeds.ac.uk
algorithms.leeds.ac.uk
baumaninstitute.leeds.ac.uk
algorithms.leeds.ac.uk
www.fluid-dynamics.leeds.ac.uk
john-plane.leeds.ac.uk
idip.leeds.ac.uk
www.survey.leeds.ac.uk
biologicalminds.leeds.ac.uk
students.business.leeds.ac.uk
iisr2p.leeds.ac.uk
facilitiesdirectorate.leeds.ac.uk
hpp.education.leeds.ac.uk
www.distancetohealthcare.leeds.ac.uk
romanticcatastrophe.leeds.ac.uk
mgla2016.leeds.ac.uk
chaplaincy.leeds.ac.uk
evserver01.ds.leeds.ac.uk
mymedia.leeds.ac.uk
uolds.leeds.ac.uk
cssme.leeds.ac.uk
deafed.leeds.ac.uk
fbspcu03.leeds.ac.uk
bag.leeds.ac.uk
distancetohealthcare.leeds.ac.uk
goodlife.leeds.ac.uk
sqlwebadmin2008.leeds.ac.uk
ycrbcip.leeds.ac.uk
bridgingthegaps.leeds.ac.uk
macro4.leeds.ac.uk
uolr3.leeds.ac.uk
uolwrd.leeds.ac.uk
cefrinchina.leeds.ac.uk
mediablogs.leeds.ac.uk
ukwcs.leeds.ac.uk
brg.leeds.ac.uk
www.stem.leeds.ac.uk
mypalinfo.leeds.ac.uk
land2.leeds.ac.uk
www.unipol.org.uk
atchem.leeds.ac.uk
www.disability-studies.leeds.ac.uk
time.leeds.ac.uk
www.theory.leeds.ac.uk
belgianrefugees.leeds.ac.uk
confucius.leeds.ac.uk
herculesproject.leeds.ac.uk
uolr3.leeds.ac.uk
nguyen.leeds.ac.uk
library.leeds.ac.uk
smp.leeds.ac.uk
production2.leeds.ac.uk
www.cmc.leeds.ac.uk
cosic.leeds.ac.uk
colourandtextilescience.leeds.ac.uk
precmed.leeds.ac.uk
digitalpractice.leeds.ac.uk
www.ambiguity2017.leeds.ac.uk
reload-vm01.leeds.ac.uk
www.physics.leeds.ac.uk
www.enterpriseofculture.leeds.ac.uk
www.centrecath.leeds.ac.uk
donors.leeds.ac.uk
lcs-employability.leeds.ac.uk
50years.ims.leeds.ac.uk
mymedia.leeds.ac.uk
uolds.leeds.ac.uk
stanislavski-research.leeds.ac.uk
regenerative-medicine.leeds.ac.uk
equality.leeds.ac.uk
www.mapsmail.leeds.ac.uk
disability-studies.leeds.ac.uk
lssi.leeds.ac.uk
cier.leeds.ac.uk
digitaleducation.leeds.ac.uk
vcomm.leeds.ac.uk
algorithms.leeds.ac.uk
professors.leeds.ac.uk
parametersandpractice.leeds.ac.uk
xyspark.leeds.ac.uk
aceb-research.leeds.ac.uk
moraleconomies.leeds.ac.uk
kriegsgefangen.leeds.ac.uk
mrn.leeds.ac.uk
awp.leeds.ac.uk
chaplaincy.leeds.ac.uk
vcomm.leeds.ac.uk

Certificate

The complete raw certificate details for digitalpractice.leeds.ac.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyo9yHancXam1nBqnlHZc
W2Nn4X6kO7BdNjCKvZTD5OceMFE8su1bSI/LMaUaUDVeheCxvX4XO5PMT90OJMMi
FVBxTfYISy4aFOwReAqDGOeTD42BCxGp9Fu1HN8chl9bz3xL7nRi9ui8K4HA3A5T
FTckrL2qnDP5xlWzpw9kSc79fAsGZ8OZW3U5lVrZuwDohU0ONDAwvdK1Emj5je2e
GKj8TJUZumdeTs1WJCEIzKNLr0Yk/oHfklN96e7iyE9flim6LobCwp9kOjdik1qV
J1EpYCvgiqk3YxDsgaRQmM22TQpWsAAsPMlt2X4IDGjMEaY6pT7Xv06O0eimwmRP
3wIDAQAB
-----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 336792149545940727145779986288423685711736
 . . . . . . . . [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 2023-12-02 21:33:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-01 21:33:55 +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 'digitalpractice.leeds.ac.uk'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25570873346286387589125960240131022392047835124811338512328068332232532589282924922467927992732538773679876136398650246291322388063178272084775761273172208743011342883843981444854101255180820975765572693702107950724343825644255730436360591113642367360444675210343594403706897775202888130740893862124029499073539436304123600846627283362486464275196303170025164904373555151883504513644815279501059232152356964787463341158283465791203825851070210997097498824103340776120880287018945384256783529323774426221203461093671309071957892800573912146426963020906843457484815918425921098396896931583947649235541775479819540385759
 . . . . . . . . . . . . . . . . . . . . [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)
							db7c90757714fe01aab64f8aa2269ed1b6379ad3
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'digitalpractice.leeds.ac.uk'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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