www.cost-jet.eu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:e0:c7:91:c2:e7:59:a6:43:06:cb:5b:08:68:f8:8d:47:4f was issued on by Let's Encrypt.
With 11 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:e0:c7:91:c2:e7:59:a6:43:06:cb:5b:08:68:f8:8d:47:4fSerial Number (int): 337825381192893555377684773200480506300239
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: cd:d1:e7:03:0d:d9:f6:ec:79:83:ca:f8:9b:c3:2f:15:e9:88:f2:98
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e6:04:9a:34:5e:5c:ea:d1:4c:00:ff:7f:f6:5e:5a:28:6c:5d:63:0c
Fingerprint (sha256): 00:3e:e3:52:ed:51:68:88:5b:91:57:3f:44:15:86:65:10:22:87:fa:42:3c:99:f6:d2:63:1a:08:17:86:6b:d3
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
11
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
cosmic-shear2020.rub.de
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
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
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----- MIIGKTCCBRGgAwIBAgISA+DHkcLnWaZDBstbCGj4jUdPMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMjAxNDE5NThaFw0y MDAyMTgxNDE5NThaMBoxGDAWBgNVBAMTD3d3dy5jb3N0LWpldC5ldTCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAM8RycAZbAkesXPkmi8qRgwBDVOblYzq Z7mfoNCkE9cWckHMIqY/Yj4+i8OOFaenJqfsYaGF4SLz9y/vfmps1RszsB7D3hgr PbLtTDlCJdtNMg6d96KLgd2jGRj6dfiuAsgHt2z5zrVIewyrXZr+73bU4IbfE+vp wFgyIw0TJ1r95mxArXCxBKTz7f5rBLNg6pp5OtfR/OGV5XzChnBTQ3tG0sXoKlTx Ua9xIWQGM/QdZBkhCvjM/3OaX1c0EVwIqzmpat6cwZeIcEdVhKi3LrfCBcV7p0wS 84XSTXhyKv2hw4YCzx3GRO5RN35FSn1B8SKmDyZah9f8EzEWVQ9fSzkCAwEAAaOC AzcwggMzMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUzdHnAw3Z9ux5g8r4m8MvFemI 8pgwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzCB7AYDVR0RBIHkMIHhghdjb3NtaWMtc2hlYXIyMDIwLnJ1Yi5kZYIUZnJv bnRpZXJzMjAxOS5ydWIuZGWCFmphcGFucGxhc21hZGF5cy5ydWIuZGWCDHJkcGNp LnJ1Yi5kZYIYcmRwY2kucnVoci11bmktYm9jaHVtLmRlgg9yZHBsYXNtYS5ydWIu ZGWCDnNmYjEzMTYucnViLmRlgg93d3cuY29zdC1qZXQuZXWCDnd3dy5lcDIucnVi LmRlghd3d3cuaXNwYy1jb25mZXJlbmNlLm9yZ4IVd3d3LnBsYXNtYS1zY2hvb2wu b3JnMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYB BQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIE AgSB9QSB8gDwAHYA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFu iWYUOAAABAMARzBFAiAhSIPbjwan7FmYr3Nlyb31P4fXFpBBQGUWWz0TTtI9KwIh AMT29ipBu5qRWFWwYvMX//sEdeypPuMA6/S2XQIoX0ZbAHYAB7dcG+V9aP/xsMYd IxXHuuZXfFeUt2ruvGE6GmnTohwAAAFuiWYUSQAABAMARzBFAiEA+TTa+GwjV1GG ExG7Ox2sjr9S3FTMC2RoFaaQ0LBYEFECICPk+nwG8muJF6XVBn0gAFDeIAsbxMDa h8hFw4v5CqRJMA0GCSqGSIb3DQEBCwUAA4IBAQCJpHRjzlPiCgaFvCaspyl25Qx/ EcgMee2qhoH3UwjgKNnYh/LBs8o391rOMPD14jcoLoe3s6tuGh13s/X01gW7WlJE JVS6uPVVuiek82osbOF0nVzrmVCjr239tNKyDRuj7L/btW542jET6rmejoJgraip IK2ujW8eTjsICoXTcuCD7c7O1eQlrDyMCY9j0yXAU6mL44LGbl5f94Fyye4KBux5 H0/uoO8TN5kt6O48Nrhu2s8qcn1MA9YoiIzFlSqlaXk3x59iKmjRVSbJHCBcgbZp 6LK9xjDE5KCzLr09PB5dcFxDqxfP9tAgWR3QSgIQxg5xVo5IsVH59TdYjN4I -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzxHJwBlsCR6xc+SaLypG DAENU5uVjOpnuZ+g0KQT1xZyQcwipj9iPj6Lw44Vp6cmp+xhoYXhIvP3L+9+amzV GzOwHsPeGCs9su1MOUIl200yDp33oouB3aMZGPp1+K4CyAe3bPnOtUh7DKtdmv7v dtTght8T6+nAWDIjDRMnWv3mbECtcLEEpPPt/msEs2Dqmnk619H84ZXlfMKGcFND e0bSxegqVPFRr3EhZAYz9B1kGSEK+Mz/c5pfVzQRXAirOalq3pzBl4hwR1WEqLcu t8IFxXunTBLzhdJNeHIq/aHDhgLPHcZE7lE3fkVKfUHxIqYPJlqH1/wTMRZVD19L 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 337825381192893555377684773200480506300239 . . . . . . . . [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 2019-11-20 14:19:58 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-18 14:19:58 +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 26140100760820329011659157335274209169531332877857412075493602678044022279956306554493955701861880410953326267035570750157977121092405682211531693743731092352426223005132620316832226651830753212478371275144582371294899624994298449717782339240511322420783505333689579453495396310564825453316504934803086608553827835385862263687979676825339919006211885633297575218794347806742255563549269778920614172000039559445546970376215829369355276055059651487800015821366465084096739936295106424757798285883658728362814951373565570126818297117314268614193266359890872777218922178265820118721978546665028096827742297018968896916281 . . . . . . . . . . . . . . . . . . . . [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) cdd1e7030dd9f6ec7983caf89bc32f15e988f298 . . . . . . . . . . . . . . . . [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 (228 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cosmic-shear2020.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e8966143800000403004730450220214883db8f06a7ec5998af7365c9bdf53f87d71690414065165b3d134ed23d2b022100c4f6f62a41bb9a915855b062f317fffb0475eca93ee300ebf4b65d02285f465b00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e896614490000040300473045022100f934daf86c235751861311bb3b1dac8ebf52dc54cc0b646815a690d0b0581051022023e4fa7c06f26b8917a5d5067d200050de200b1bc4c0da87c845c38bf90aa449 . . . . [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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