ontohub.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:c6:0c:e4:90:91:fb:04:73:0f:c3:5d:df:80:60:61:c5:d9 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:c6:0c:e4:90:91:fb:04:73:0f:c3:5d:df:80:60:61:c5:d9Serial Number (int): 328729903957492473243734251832076734154201
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): a3:22:c3:ee:98:e6:1c:8a:97:e3:18:a0:a3:77:ce:28:04:49:bb:71
Fingerprint (sha256): cb:34:31:37:04:b5:3b:8e:01:12:1a:2e:81:a8:36:22:63:07:25:52:23:a7:ab:81:31:51:1e:e0:a8:b8:1c:fa
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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)
Certificate
The complete raw certificate details for ontohub.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF0TCCBLmgAwIBAgISA8YM5JCR+wRzD8Nd34BgYcXZMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTYwMDI3MTBaFw0y MDAyMTQwMDI3MTBaMBYxFDASBgNVBAMTC29udG9odWIub3JnMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5hXeu41enRMdv97UHvczUzyRZMxjDj/eDe9q aitmtHDQzZpLc3cEck9l5UN3vvQJ2Ekuv7NNDD4NGTiw3LiqnHue42lOGG1xasQ3 YjaUHJ7FaJgGrKJD8WgAlROSU2g0Y6OCUCCG8CDTBMDeBuYYUH9HLZ9T/OjUVbpE Qs/UOIBh5s1D2v+FUwMXGoLpt665VojTakEEbjVBfVMGstczPVLkLN9oQvk4oKJg knfFdtzXauUKHyAfknJF/KA5c/Qel1gguFrrT3fH1Fh2+at0DVzz7kd5MErXnuHz tNZQsYggCebRaw0AAH/D7Q1ua4XKskYl90/1SOW+Lf7IiPXdoQIDAQABo4IC4zCC At8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTtvzi3AAcVLuujJMWXIStzNAv01zAf BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv MIGYBgNVHREEgZAwgY2CDW1vZGVsLWh1Yi5vcmeCC29udG9odWIub3JnggtzcGVj aHViLm9yZ4IRdGEuaWtzLmNzLm92Z3UuZGWCGnRhLmlrcy5jcy51bmktbWFnZGVi dXJnLmRlghF3d3cubW9kZWwtaHViLm9yZ4IPd3d3Lm9udG9odWIub3Jngg93d3cu c3BlY2h1Yi5vcmcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEw KDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgor BgEEAdZ5AgQCBIH1BIHyAPAAdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWW gXFFWAAAAW5x0i73AAAEAwBHMEUCIQD7bhch3BeX/lGEFxlLvG+JnZ/tGm2nfcvg yuS2vC7IdwIgJA0vtfzWdqnVFQYdw5PUKk+wBtHSMoaetlukHDAddN4AdgAHt1wb 5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAW5x0i97AAAEAwBHMEUCIQCx 4pjWJarYGHaS79DHY7cjVlhqxr7CHBfJfrBFjyI/JQIgI1WQ30rWBzP0+IoLe9jY RtS9xl0X3l7h2x4udkkFmF8wDQYJKoZIhvcNAQELBQADggEBAAh+vEhkmGDULe3g zAIFeFHjda0FiA1ZfEZPngSeinI+LALAjGp0eWel0Gq5vwrzP8Lka3BxABqySOpM +Ocd93LZw4AAjY7EtW1kH1iFKdYy+d1JS3KfsXNbtqyV3CWk9pE+jf0nkjzCwjo2 ZGY0rimJiGtkaQ54QWrSOZKnpcVCWhX7RE08T9wtSd3mB1UyAIaOqES1oix3gU+0 wixs54UedqflX47nf93yEjieJA5OPJFEVGhU1twE+dlfT3xzRTTiNIfuhQcPPHoG zDM2kEhFxe4Z6ogQ+AgzQM4EMYFopNl+ia8q/0b1Y6VDli4hDNzTXd41Nno2JDJs nBZZut8= -----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 328729903957492473243734251832076734154201 . . . . . . . . [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 2019-11-16 00:27:10 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-14 00:27:10 +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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e71d22ef70000040300473045022100fb6e1721dc1797fe518417194bbc6f899d9fed1a6da77dcbe0cae4b6bc2ec8770220240d2fb5fcd676a9d515061dc393d42a4fb006d1d232869eb65ba41c301d74de00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e71d22f7b0000040300473045022100b1e298d625aad8187692efd0c763b72356586ac6bec21c17c97eb0458f223f250220235590df4ad60733f4f88a0b7bd8d846d4bdc65d17de5ee1db1e2e764905985f . . . . [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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