www.cost-jet.eu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:30:1b:2e:70:68:cc:c7:9c:f9:1e:4e:e8:b0:25:0a:91:3d was issued on by Let's Encrypt.
With 10 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=www.cost-jet.eu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:30:1b:2e:70:68:cc:c7:9c:f9:1e:4e:e8:b0:25:0a:91:3dSerial Number (int): 277706541688960452286749825695558797005117
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 80:50:9e:05:f1:6a:ae:17:99:32:b7:94:03:82:6a:cb:88:63:e2:15
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 27:1f:c2:38:37:96:c2:b9:5b:e8:76:23:5e:a9:54:d6:21:f3:8c:96
Fingerprint (sha256): 63:58:aa:06:b1:36:75:af:32:f0:7d:20:14:0a:f3:2f:1c:b2:57:89:b3:2d:a7:80:16:9c:dd:a4:0e:66:42:f9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.cost-jet.eu
10
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.cost-jet.eu
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
frontiers2019.rub.de
japanplasmadays.rub.de
rdpci.rub.de
rdpci.ruhr-uni-bochum.de
rdplasma.rub.de
sfb1316.rub.de
www.cost-jet.eu
www.ep2.rub.de
www.ispc-conference.org
www.plasma-school.org
japanplasmadays.rub.de
rdpci.rub.de
rdpci.ruhr-uni-bochum.de
rdplasma.rub.de
sfb1316.rub.de
www.cost-jet.eu
www.ep2.rub.de
www.ispc-conference.org
www.plasma-school.org
Other certificates including the domain name cost-jet.eu
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.cost-jet.eu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGETCCBPmgAwIBAgISAzAbLnBozMec+R5O6LAlCpE9MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMDIxMTEwMTdaFw0x OTA1MzExMTEwMTdaMBoxGDAWBgNVBAMTD3d3dy5jb3N0LWpldC5ldTCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAObn4Bd/NmlQ6AzPvrc7Jc3Az/QrIpkK AWFegpAZIJK83FsJwacoTQLjwk0y0Wjms18tUHpPKrCtepjE5lQAu+9udcBHuSMn pTFBsElsiL4j2XJMCbkb/RiBGQqUzro9zNpEdCHfsTyrQ7+L8xltDRVdxq+2RnYp PvoWSJHGZgSlg804pbVYwt7NGp/ONFhm46JsiolwCPvn1odhBlwet0KfVr0he7md aH+vWPdRiqBj7ZGZFgtlpikfjlLHOEHl1YiE+VCE428VnGDbQjkfHUUAzVzd0xZA 6iWa1asyIHQt26NawO40H34p2jsQud/YJzfaqy0gB3psOvLkS8rfBbMCAwEAAaOC Ax8wggMbMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUgFCeBfFqrheZMreUA4Jqy4hj 4hUwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzCB0wYDVR0RBIHLMIHIghRmcm9udGllcnMyMDE5LnJ1Yi5kZYIWamFwYW5w bGFzbWFkYXlzLnJ1Yi5kZYIMcmRwY2kucnViLmRlghhyZHBjaS5ydWhyLXVuaS1i b2NodW0uZGWCD3JkcGxhc21hLnJ1Yi5kZYIOc2ZiMTMxNi5ydWIuZGWCD3d3dy5j b3N0LWpldC5ldYIOd3d3LmVwMi5ydWIuZGWCF3d3dy5pc3BjLWNvbmZlcmVuY2Uu b3JnghV3d3cucGxhc21hLXNjaG9vbC5vcmcwTAYDVR0gBEUwQzAIBgZngQwBAgEw NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j cnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwB0ftqDMa0zEJEhnM4l T0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWk+T+cDAAAEAwBIMEYCIQD7UkfX5x7phXmJ cy3LqV1fFxWOdoUTv8tZOQESnZeILAIhAKNkVrsKC7v931ABsOoJMcl2ffHieT8U y3inijnp5RPTAHYAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFp Pk/nZgAABAMARzBFAiBb128alhzEo9wa1zH0cMJ+GoqWjTFbSPC7ab/yxQ2xzwIh ALIM61Bvtpro8B13cp4XvFIA9w/U2BqTbbU7rE3uuAV1MA0GCSqGSIb3DQEBCwUA A4IBAQAffyBN3YY29Gy6/qwxorjqOoF3LGJrH5vescKwJ3uurL0F6tAN5b/K0RrW ZuWyk7+meqb4Lr2IdY/pOqREfqwzcoZDxeDN56WURBHJvmxyOcm059xwt8A1K4SZ SAW+IBtedex3eLMJLZuvkWtWm48322xQAhLpz85Vk420E5L3qaINexFeFDosabc+ bmtBvz8K2O6MBn3kAY+4iyxFqK95gVPqIYAq+tluTer91oRQPWm1cEUG12DBmaVl jzCgpnonrM/e+luCos3JHaHPrzDjyB5Z4QkOkPW96e97IrJ2KlFW5+WOvHKSq/v4 W0jmvZZ+nLeY2x1UXsKOQ89XhJZ1 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5ufgF382aVDoDM++tzsl zcDP9CsimQoBYV6CkBkgkrzcWwnBpyhNAuPCTTLRaOazXy1Qek8qsK16mMTmVAC7 7251wEe5IyelMUGwSWyIviPZckwJuRv9GIEZCpTOuj3M2kR0Id+xPKtDv4vzGW0N FV3Gr7ZGdik++hZIkcZmBKWDzTiltVjC3s0an840WGbjomyKiXAI++fWh2EGXB63 Qp9WvSF7uZ1of69Y91GKoGPtkZkWC2WmKR+OUsc4QeXViIT5UITjbxWcYNtCOR8d RQDNXN3TFkDqJZrVqzIgdC3bo1rA7jQffinaOxC539gnN9qrLSAHemw68uRLyt8F swIDAQAB -----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 277706541688960452286749825695558797005117 . . . . . . . . [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 2019-03-02 11:10:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-31 11:10:17 +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 'www.cost-jet.eu' . . . . . . . . [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 29149152143071631159759141100144214710157694299204062144139999582537014209233484474762105574743227014450904444713064695409829722793895605686486517286395101029987248561730454632445724213202776608189098345092502759748741211719648262314422577402027875030267270720150949846856169216367388945911906409770577012086497526671386056881390822469901945344144530070966475455268594913646373661437795532215052078267296293179909160378924503124463222935200137590092964883003436637283787481273311099040522245870615130708321378115629919892864796277361809138170316119706763040263625093730993625497029811496465360775886403017035114022323 . . . . . . . . . . . . . . . . . . . . [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) 80509e05f16aae179932b79403826acb8863e215 . . . . . . . . . . . . . . . . [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 (203 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'frontiers2019.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'japanplasmadays.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rdpci.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rdpci.ruhr-uni-bochum.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rdplasma.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sfb1316.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cost-jet.eu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ep2.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ispc-conference.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.plasma-school.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) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001693e4fe7030000040300483046022100fb5247d7e71ee9857989732dcba95d5f17158e768513bfcb593901129d97882c022100a36456bb0a0bbbfddf5001b0ea0931c9767df1e2793f14cb78a78a39e9e513d300760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001693e4fe766000004030047304502205bd76f1a961cc4a3dc1ad731f470c27e1a8a968d315b48f0bb69bff2c50db1cf022100b20ceb506fb69ae8f01d77729e17bc5200f70fd4d81a936db53bac4deeb80575 . . . . [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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