ontohub.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:28:c7:34:9b:37:ca:3a:cb:00:5b:7b:0b:f0:69:1d:76:2a 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): 04:28:c7:34:9b:37:ca:3a:cb:00:5b:7b:0b:f0:69:1d:76:2aSerial Number (int): 362325227922669991747397015028194439165482
Serial Number lenght: 139 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): ef:14:c5:45:7b:ab:4c:a9:9c:4b:e5:6a:dd:b9:80:a5:f5:e0:26:d7
Fingerprint (sha256): 36:f5:ab:49:84:29:5b:c6:5b:3e:bd:b6:f8:aa:41:e1:90:c6:fa:97:3a:3d:e9:3e:5c:4a:95:0e:03:54:46:aa
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----- MIIF0jCCBLqgAwIBAgISBCjHNJs3yjrLAFt7C/BpHXYqMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMTUyMzAyMzRaFw0y MDA0MTQyMzAyMzRaMBYxFDASBgNVBAMTC29udG9odWIub3JnMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5hXeu41enRMdv97UHvczUzyRZMxjDj/eDe9q aitmtHDQzZpLc3cEck9l5UN3vvQJ2Ekuv7NNDD4NGTiw3LiqnHue42lOGG1xasQ3 YjaUHJ7FaJgGrKJD8WgAlROSU2g0Y6OCUCCG8CDTBMDeBuYYUH9HLZ9T/OjUVbpE Qs/UOIBh5s1D2v+FUwMXGoLpt665VojTakEEbjVBfVMGstczPVLkLN9oQvk4oKJg knfFdtzXauUKHyAfknJF/KA5c/Qel1gguFrrT3fH1Fh2+at0DVzz7kd5MErXnuHz tNZQsYggCebRaw0AAH/D7Q1ua4XKskYl90/1SOW+Lf7IiPXdoQIDAQABo4IC5DCC AuAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTtvzi3AAcVLuujJMWXIStzNAv01zAf BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv MIGYBgNVHREEgZAwgY2CDW1vZGVsLWh1Yi5vcmeCC29udG9odWIub3JnggtzcGVj aHViLm9yZ4IRdGEuaWtzLmNzLm92Z3UuZGWCGnRhLmlrcy5jcy51bmktbWFnZGVi dXJnLmRlghF3d3cubW9kZWwtaHViLm9yZ4IPd3d3Lm9udG9odWIub3Jngg93d3cu c3BlY2h1Yi5vcmcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEw KDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgor BgEEAdZ5AgQCBIH2BIHzAPEAdwBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbII mjfZEwAAAW+rqKaKAAAEAwBIMEYCIQC09j6pUGtG9vNPj2mbOm4ooDG+mGBVmFVb jwP/hz5dGwIhAIZ7bBWM/TlO1IiFZVbCuSqIhhCM49FZ6BmKCCjCmdulAHYAsh4F zIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFvq6imZwAABAMARzBFAiAe NPkq+/51gNfDXlRunhadK5TgiOVHVeKT7e09GsS49wIhAMcyOcTuG4IvQp7ZHTnw zLVP3QIPqSUjCaTiQYjifIT0MA0GCSqGSIb3DQEBCwUAA4IBAQBl/KIXwQ3Q9TD2 BBaalX8ju2TEtLc4zVfHXXIM6uQ5g6KGm7LbxOyXM/CgWmpyNEXXO5PfEZloWSyS 6xx1vYrOTslLqJR+X44hy87Zwpm6sz42AADQM4HwYIGBRSu5EDoXT5xKRRyjGpLw HYew9bxxlSjGVzSOqsCBiabeuibUH2HmVvq72OJtdk1RNOf8mlxGAe3ku7XE34Ky v36EVnS0UG6If5gYPHhuE5QHDEIRuLatdQlZYieS5r0PP0C6B6sDMg+0H5vMzqNb NYnKICXhkKUetpbcb7sghfWpwfjTaAX38QzMiy0Cqj/FnxXUWAbSbKGW/vpCW/P2 1DhZMXuR -----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 362325227922669991747397015028194439165482 . . . . . . . . [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 2020-01-15 23:02:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-14 23:02:34 +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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016faba8a68a0000040300483046022100b4f63ea9506b46f6f34f8f699b3a6e28a031be98605598555b8f03ff873e5d1b022100867b6c158cfd394ed488856556c2b92a8886108ce3d159e8198a0828c299dba5007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016faba8a667000004030047304502201e34f92afbfe7580d7c35e546e9e169d2b94e088e54755e293eded3d1ac4b8f7022100c73239c4ee1b822f429ed91d39f0ccb54fdd020fa9252309a4e24188e27c84f4 . . . . [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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