www.cost-jet.eu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:85:2a:1a:19:b4:07:bf:43:71:68:e1:aa:ed:4d:39:c6:73 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): 03:85:2a:1a:19:b4:07:bf:43:71:68:e1:aa:ed:4d:39:c6:73Serial Number (int): 306650375692630550914931054102813420930675
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 56:4a:ad:1b:38:0f:92:cb:61:5c:32:57:25:e2:f1:c9:17:4a:46:18
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): aa:69:6a:a1:0f:29:86:ce:ae:4c:39:b1:4c:bd:14:c3:6a:8e:17:a7
Fingerprint (sha256): 25:19:1a:cd:0a:d7:43:47:c9:5f:2f:6b:02:d7:89:d2:dc:b1:a2:f8:db:43:6f:8b:c0:9b:cc:60:90:e8:a5:95
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----- MIIGEDCCBPigAwIBAgISA4UqGhm0B79DcWjhqu1NOcZzMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MzAyMTQ0NTlaFw0x OTA5MjgyMTQ0NTlaMBoxGDAWBgNVBAMTD3d3dy5jb3N0LWpldC5ldTCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAMjQqHBnWOJverxsDWSUDrbLHxQ0lhw4 9kJ8ckaKuR4AqKSP6JJ0rifLFJ2dETQL0in01JKFFaRiORb14KSoOfqE9ZaNn+nc xty1To26jHBk9pwPj2zfa3XIWsFa3XVSRjnxUXggAmxlGAwl4O5wc0n+kzIiPFnD 4xQU/jEO9NJcjUr27fLT9niNTcQzSyLQyCV4UV1T95vptg+kt/uVFo0fPGJzJMZq DZ664KH655kU0YFtJ48DooU5S084lrIUCQq2j2QMqNn4GYyzSHlJrd6FKOrA1yJ1 gge6yA0MEuu3TNPLKD9fTYdmgg3xbmztv5iyQXmAUm/SyBYyuaM8/UECAwEAAaOC Ax4wggMaMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUVkqtGzgPksthXDJXJeLxyRdK RhgwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzCB0wYDVR0RBIHLMIHIghRmcm9udGllcnMyMDE5LnJ1Yi5kZYIWamFwYW5w bGFzbWFkYXlzLnJ1Yi5kZYIMcmRwY2kucnViLmRlghhyZHBjaS5ydWhyLXVuaS1i b2NodW0uZGWCD3JkcGxhc21hLnJ1Yi5kZYIOc2ZiMTMxNi5ydWIuZGWCD3d3dy5j b3N0LWpldC5ldYIOd3d3LmVwMi5ydWIuZGWCF3d3dy5pc3BjLWNvbmZlcmVuY2Uu b3JnghV3d3cucGxhc21hLXNjaG9vbC5vcmcwTAYDVR0gBEUwQzAIBgZngQwBAgEw NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j cnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdQApPFGWVMg5ZbqqUPxY B9S3b79Yeily3KTDDPTlRUf0eAAAAWuqkBxlAAAEAwBGMEQCIDwERsLkcohNf36H cpkXQx4uWlWxpEUMCQdq2TolrclMAiAGplb90n1VTb4qfrxjZFt9TTgVljrhYcZD DZ9XKchTXgB3AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgiaN9kTAAABa6qQ HekAAAQDAEgwRgIhAJTaCA1REw3JFnLIe5wuyRrV8tp5LGNRkNIq23Pe2aO5AiEA /k9/mnXimIjFBD9IFcoROwa1Yh7rm0ibUcUaatGp+IowDQYJKoZIhvcNAQELBQAD ggEBACW9iL0rdHFQ/ToF6N0N5hExWKWC5TtDGSTPsrsM+2pHJcSbmnn+B49eBg6n rbFxs6P+yJD5lDlCLrgTD7bS4JwQn0CXVXiCRsTCR2dl5hN+hxNveyoWZhlscNx7 ne1RLialLLkLAs+1jJ+TbXkTnOAFsqyPo8YwJ6ULzwyKfq1wEIC/MveZQz1IVdSt zANebf8L/eBRyms2p14FzGrKCf8avKQqBZzqk8YrzW+rT+VAnf1tvhG0bIEvicYR vCmT7jRJNUDaP/bSY0LokNapQ585FKj7K7Er14D429d16EooHoBQMo16fzFTMuOI 6Jh6qFygDdRBJaJgVbyA5rH103s= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyNCocGdY4m96vGwNZJQO tssfFDSWHDj2QnxyRoq5HgCopI/oknSuJ8sUnZ0RNAvSKfTUkoUVpGI5FvXgpKg5 +oT1lo2f6dzG3LVOjbqMcGT2nA+PbN9rdchawVrddVJGOfFReCACbGUYDCXg7nBz Sf6TMiI8WcPjFBT+MQ700lyNSvbt8tP2eI1NxDNLItDIJXhRXVP3m+m2D6S3+5UW jR88YnMkxmoNnrrgofrnmRTRgW0njwOihTlLTziWshQJCraPZAyo2fgZjLNIeUmt 3oUo6sDXInWCB7rIDQwS67dM08soP19Nh2aCDfFubO2/mLJBeYBSb9LIFjK5ozz9 QQIDAQAB -----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 306650375692630550914931054102813420930675 . . . . . . . . [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 2019-06-30 21:44:59 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-28 21:44:59 +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 25350554070701917773572745310278074243774900154011758183370649485645009088732459978045073729668438476933931255311995827109082622342641018969561629875836097463729838283771151972503173515494414871547893861844227932562840064564822390259571261263593298093358679219957304525545927328287892586967940020787441212403115558012678088851177614275887360570542407693113868320311260456114954252015780378119753900608248848838023745293900998203132579343005802469552050522510861568012162825325108895661211855676181327990964255788180098352444898242366291763595138360170990831180031825861760905349792037957751156861907626782220690980161 . . . . . . . . . . . . . . . . . . . . [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) 564aad1b380f92cb615c325725e2f1c9174a4618 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016baa901c65000004030046304402203c0446c2e472884d7f7e87729917431e2e5a55b1a4450c09076ad93a25adc94c022006a656fdd27d554dbe2a7ebc63645b7d4d3815963ae161c6430d9f5729c8535e0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016baa901de9000004030048304602210094da080d51130dc91672c87b9c2ec91ad5f2da792c635190d22adb73ded9a3b9022100fe4f7f9a75e29888c5043f4815ca113b06b5621eeb9b489b51c51a6ad1a9f88a . . . . [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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