ontohub.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:24:a0:9a:f8:68:51:e4:c6:af:3f:fa:72:cc:b2:02:1f:13 was issued on by Let's Encrypt.

With 8 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=ontohub.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:24:a0:9a:f8:68:51:e4:c6:af:3f:fa:72:cc:b2:02:1f:13
Serial Number (int): 273800504135778980993914098480367603425043
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ed:bf:38:b7:00:07:15:2e:eb:a3:24:c5:97:21:2b:73:34:0b:f4:d7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ff:77:51:b1:20:97:4d:8a:b9:04:e6:90:b9:e4:75:4f:78:a2:2f:12
Fingerprint (sha256): d1:45:db:16:af:00:88:2b:c3:96:e4:d4:7d:a7:a3:42:4a:c5:b3:f6:b5:f0:44:f2:64:39:32:85:0e:df:ea:e6

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 ontohub.org

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ontohub.org

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

model-hub.org
ontohub.org
spechub.org
ta.iks.cs.ovgu.de
ta.iks.cs.uni-magdeburg.de
www.model-hub.org
www.ontohub.org
www.spechub.org

Other certificates including the domain name ontohub.org

(limited to 100 certificates)
ontohub.org
ontohub.org
develop.ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org
ontohub.org

Certificate

The complete raw certificate details for ontohub.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5hXeu41enRMdv97UHvcz
UzyRZMxjDj/eDe9qaitmtHDQzZpLc3cEck9l5UN3vvQJ2Ekuv7NNDD4NGTiw3Liq
nHue42lOGG1xasQ3YjaUHJ7FaJgGrKJD8WgAlROSU2g0Y6OCUCCG8CDTBMDeBuYY
UH9HLZ9T/OjUVbpEQs/UOIBh5s1D2v+FUwMXGoLpt665VojTakEEbjVBfVMGstcz
PVLkLN9oQvk4oKJgknfFdtzXauUKHyAfknJF/KA5c/Qel1gguFrrT3fH1Fh2+at0
DVzz7kd5MErXnuHztNZQsYggCebRaw0AAH/D7Q1ua4XKskYl90/1SOW+Lf7IiPXd
oQIDAQAB
-----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 273800504135778980993914098480367603425043
 . . . . . . . . [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 03:08:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-11 03:08:48 +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 'ontohub.org'
 . . . . . . . . [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 29045594665457782030125533873710521713665475310382860198588957144028893726618303202725359804712391141039174158695097129929491681017833800442916081304644694794437116425077659270130205548836364658421873853226972984287490570275049453513091427358622833802172920280475598040678831865785916084957695315483861397969176179477260033459930709470455713796818578368080516261202512167980525734063349836670956625032398960344029561546388399959118943297572331722023246200265127569704047509646688589314572567671379573899916699086928043325648215221574171664182552741349142882392255917907376497036019350547182074352855313287499427995041
 . . . . . . . . . . . . . . . . . . . . [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)
							edbf38b70007152eeba324c597212b73340bf4d7
 . . . . . . . . . . . . . . . . [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 (144 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'model-hub.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ontohub.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'spechub.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ta.iks.cs.ovgu.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ta.iks.cs.uni-magdeburg.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.model-hub.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ontohub.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.spechub.org'
 . . . . . . . . . . . . . . . . [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)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016aaf60f59b0000040300473045022100ae920f45be900a40ef53829cad8be94198647e103aeafd8ba7c8ded1c5a51d4d0220272cfe487f64330465eaa26af8b5d37605fa1ebd399a62e2421073177703212c00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aaf60f59c0000040300463044022074f92c7be0431d441123d9930c8e52ebe15d381063dabb9952f7b0104c3e7a7a022011758134f9e989e4c2e696fa49ac8646ab95316701ff44d6b44a60b67da0c116
 . . . . [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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