digital.uni-koeln.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:08:a6:2f:f6:f0:83:60:7e:94:ce:c3:5c:18:dc:cc:d3:f2 was issued on by Let's Encrypt.

With 4 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=digital.uni-koeln.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:08:a6:2f:f6:f0:83:60:7e:94:ce:c3:5c:18:dc:cc:d3:f2
Serial Number (int): 264280017624429075512042106612002660865010
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a3:b8:3a:a9:50:38:2e:90:d3:e6:12:bc:c9:01:c0:20:e7:a2:a6:1f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7a:af:48:9b:f3:1f:33:62:f6:d2:ad:d6:f0:c8:63:f7:8d:02:f7:ac
Fingerprint (sha256): 00:5c:75:fd:fe:f2:25:b2:04:50:e9:13:35:e5:c0:53:b2:a6:f6:0c:90:bf:ab:9e:9a:b9:65:84:c6:ff:32:8f

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 digital.uni-koeln.de

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for digital.uni-koeln.de

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

digital.uni-koeln.de
valuecreation.uni-koeln.de
www.digital.uni-koeln.de
www.valuecreation.uni-koeln.de

Other certificates including the domain name uni-koeln.de

(limited to 100 certificates)
phil-fak.uni-koeln.de
geographie.uni-koeln.de
crc806dbstatic.uni-koeln.de
arachne.uni-koeln.de
kriminologie.uni-koeln.de
familienvermoegensplanung.jura.uni-koeln.de
dgp2018.uni-koeln.de
covid-gams.uni-koeln.de
gero.uni-koeln.de
fsmed-koeln.de
sonnenbus.uni-koeln.de
sfb806srv.uni-koeln.de
wiso-evaluation.uni-koeln.de
digital.uni-koeln.de
fachschaftneurowissenschaften.uni-koeln.de
mrs.uni-koeln.de
sap-cert.uni-koeln.de
wiso.uni-koeln.de
escon2018.uni-koeln.de
cewis.uni-koeln.de
cler.uni-koeln.de
webmail.uni-koeln.de
beh-workshop.uni-koeln.de
usac.uni-koeln.de
career-hf.uni-koeln.de
biologiedidaktik.uni-koeln.de
besatzungskinder.uni-koeln.de
pj.uni-koeln.de
ccls.phil-fak.uni-koeln.de
physiologie.uni-koeln.de
amaes.uni-koeln.de
klein.uni-koeln.de
www.lab.uni-koeln.de
afrikanistik.phil-fak.uni-koeln.de
et-cc.uni-koeln.de
philosophie.uni-koeln.de
translational-genomics.uni-koeln.de
apcmbp.uni-koeln.de
recall-ttt.uni-koeln.de
geographie.uni-koeln.de
idptest.rrz.uni-koeln.de
sutter.wiso.uni-koeln.de
itn-codeage.uni-koeln.de
soccco.uni-koeln.de
career.phil-fak.uni-koeln.de
usac.uni-koeln.de
fgsp2019.uni-koeln.de
ac1.uni-koeln.de
qm.phil-fak.uni-koeln.de
progserver.informatik.uni-koeln.de
dfr.jura.uni-koeln.de
tem.uni-koeln.de
euwir.jura.uni-koeln.de
fstafrika.phil-fak.uni-koeln.de
dch.phil-fak.uni-koeln.de
chemiedidaktik.uni-koeln.de
polymere.uni-koeln.de
isp2017.rrz.uni-koeln.de
bpl.uni-koeln.de
fg1.phil-fak.uni-koeln.de
auslaenderreferat.uni-koeln.de
staff.uni-koeln.de
sfb806srv.uni-koeln.de
wirtschaftsarchiv.uni-koeln.de
www.cecad.uni-koeln.de
computationalbiology.uni-koeln.de
wisotest17.uni-koeln.de
zhd.uni-koeln.de
sprachfoerderprojekt.phil-fak.uni-koeln.de
lac.uni-koeln.de
digitales.histinst.uni-koeln.de
weiterdenken-si.uni-koeln.de
str2.rrz.uni-koeln.de
cgs.uni-koeln.de
sum.phil-fak.uni-koeln.de
wissrecht.uni-koeln.de
treuhand.uni-koeln.de
sprachlabor.phil-fak.uni-koeln.de
mongoltales.cceh.uni-koeln.de
uklan.rrz.uni-koeln.de
vwibo.verw.uni-koeln.de
chailab.uni-koeln.de
behavioraloperations2014.uni-koeln.de
imsb.uni-koeln.de
computationalbiology.uni-koeln.de
steuerrecht.uni-koeln.de
elearning.uni-koeln.de
www.zvfk.uni-koeln.de
versicherung.uni-koeln.de
lawsoccercup.jura.uni-koeln.de
wigeo.uni-koeln.de
www.kksn-elearning.uni-koeln.de
idm2ccm.rrz.uni-koeln.de
fa-mnf.uni-koeln.de
indecon.uni-koeln.de
zib.phil-fak.uni-koeln.de
schmalz.uni-koeln.de
hsg-sowi.uni-koeln.de
trust.uni-koeln.de
wirtschaftsarchiv.uni-koeln.de

Certificate

The complete raw certificate details for digital.uni-koeln.de 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 264280017624429075512042106612002660865010
 . . . . . . . . [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 2019-05-13 19:31:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-11 19:31:30 +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 'digital.uni-koeln.de'
 . . . . . . . . [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 837227413326551858910776843208156611318885288786930815284157583287253650134060761641604242025851002282570329960038763682253777676229332140350109825668946154371011713292340407646743689435332137360135030765944832323305780532474985431502876253901957838854389014360239476293228207922745664828871533734671462051343162607855418171722042918158938734748980303057436250639382809930914581733226446651183429800164872873077882106990229972751768289397906301092387098878256925495203644013768792815414532555974514896414377609211664139862377454019043223645559091068126442434157175649788363116034837213796349965197380834107155895040557473299500009487357176136559531986918071635763871383700005298439621472996119036265264574101997213323218264770096049297844518794420981725773425239875696680320840485346662266975922880768304464765961425351236478584942868426213769045058218562925318888335395014380481139961446934280058230070704402165040974630621207502216517469578531609466161810178703924936041437797910766394423439213505491180984148998672950429064880936204950409905306320850602953103754795718278432357804686719595422037107342920893107431582040136323482593767381174099600211372674154489720858387247932686630647473953192505482944026267885448182272552647391
 . . . . . . . . . . . . . . . . . . . . [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)
							a3b83aa950382e90d3e612bcc901c020e7a2a61f
 . . . . . . . . . . . . . . . . [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 (110 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'digital.uni-koeln.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'valuecreation.uni-koeln.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.digital.uni-koeln.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.valuecreation.uni-koeln.de'
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016ab2e4a9e9000004030047304502203f9120144af0df97280e289e04598f686f41419539c8dbe5ce87b0fab8e7e7cc022100a78dd3a9b1324584fbf61c3cc961d40c0b709c3f64b3f5843d6ab99272db142e007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016ab2e4a7c70000040300473045022100fad9793e9f3d29bdf6bfa1d1f2124674b7644449c6162e9422afc2afe2c4eeaf02207040324406768aa768173e99d0ea1b40543221ea36edbdb487250a31f42476ce
 . . . . [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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