demos.dke-research.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:3f:1f:86:ae:eb:82:bf:84:76:4b:fa:19:f7:44:4a:6c:5f was issued on by Let's Encrypt.
With 2 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=demos.dke-research.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:3f:1f:86:ae:eb:82:bf:84:76:4b:fa:19:f7:44:4a:6c:5fSerial Number (int): 282816552294746593004912200491925043309663
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: bd:7d:6b:6f:b5:8e:90:8b:a9:8d:7a:d8:e6:24:7b:f5:16:c1:eb:b8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 14:b7:e4:2a:18:a6:4a:18:fd:bc:12:be:f0:0d:b7:86:2f:06:7a:11
Fingerprint (sha256): f6:19:6c:4b:9d:12:82:ce:25:db:2b:84:3d:e6:45:5a:e3:fd:9e:43:ca:d9:67:44:c5:e1:9d:84:3a:7a:31:66
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate demos.dke-research.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for demos.dke-research.de
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
demos.dke-research.de
dke113.cs.uni-magdeburg.de
dke113.cs.uni-magdeburg.de
Other certificates including the domain name dke-research.de
(limited to 100 certificates)
demos.dke-research.de
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demos.dke-research.de
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svn.dke-research.de
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demos.dke-research.de
demos.dke-research.de
Certificate
The complete raw certificate details for demos.dke-research.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFfTCCBGWgAwIBAgISAz8fhq7rgr+Edkv6GfdESmxfMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMjUwMzAwMTNaFw0x OTA1MjYwMzAwMTNaMCAxHjAcBgNVBAMTFWRlbW9zLmRrZS1yZXNlYXJjaC5kZTCC ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALlIB1Tzj/lPPBd1oH6Ni/f4 tk42Ok4M7wLMg4cwzVR7tQIrcJimKt5zbOJ1LMSqi12IqZECV5jQm4tScuhFxk4N FmeyxkXxtBHRBuhOC+yLOpmo5RXLUN76zmt3gKR4UbJEVCbvchOGL/fQLPsUMcJX zbA+RaYHBAum//+XJYv3oVsqDhaPMRkx5bn2TnG3LbqmUB6LDql2kpcq2vV6ygeE Vjg6nP+nL37RRnnUfzdC81Iis3ORvOLscv6BMHFVxVs86Q4MPMk/j8eO1zAU7Rvp oyIXATHO9n/M9fXRh76w1ZDzFbLSpaqZCYpw468gmYX/cBa243Tc0dcu02VLEHkC AwEAAaOCAoUwggKBMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUvX1rb7WOkIupjXrY 5iR79RbB67gwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnLzA8BgNVHREENTAzghVkZW1vcy5ka2UtcmVzZWFyY2guZGWCGmRr ZTExMy5jcy51bmktbWFnZGVidXJnLmRlMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcG CysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5 cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAdH7agzGtMxCRIZzOJU9C cMK//V5CIAjGNzV55hB7zFYAAAFpIs9tCwAABAMARzBFAiEA++4EIYtLw8j/de7c rq6i/l0hMChmOpy2uChWFDdg0LACIBYT0gK+d8pepjmKbzhgT5l11Jbeyr4I6f46 sbTXZvwVAHUAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFpIs9v VAAABAMARjBEAiBboUMca+DLJ2cw3/gay2VTg/wWU6Z7ELC8XCrkBr7jygIgGxHS 6aQ39nY33JVRV+wWGpBnNXlMBUZMyOty+7XwmzMwDQYJKoZIhvcNAQELBQADggEB ADKDju+Tupjwk2mNYB0qgMPUewMcvExFYveIbFcThBBL/pIMsLm0A4yAOh8kxwBN M9b5GAiUjX3CRuWP4+PGpEm4hxT6R3Dy24zMXAtCcbAkZOC3/FRapwLJvFVnMhSl wzjq5NR1H08SixU8haZdTf4D6idM5uM+V0LMPqGLu36TU2NXPt0OIkUypT7S5Aff BMW5zmeM7XpqCw7MK/Ar5QDv8EjnhZDNekspO8KbIE0/uO/p/gqU0Z9bnQzqTZ85 vrc28l6q9bOYVzYe+54V9TlCmFj6+45oZRHuR2taJ2PkMdxQ/RRwgXscxu6loP22 j03GmPF+pl5hnQ90iML3mDE= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuUgHVPOP+U88F3Wgfo2L 9/i2TjY6TgzvAsyDhzDNVHu1AitwmKYq3nNs4nUsxKqLXYipkQJXmNCbi1Jy6EXG Tg0WZ7LGRfG0EdEG6E4L7Is6majlFctQ3vrOa3eApHhRskRUJu9yE4Yv99As+xQx wlfNsD5FpgcEC6b//5cli/ehWyoOFo8xGTHlufZOcbctuqZQHosOqXaSlyra9XrK B4RWODqc/6cvftFGedR/N0LzUiKzc5G84uxy/oEwcVXFWzzpDgw8yT+Px47XMBTt G+mjIhcBMc72f8z19dGHvrDVkPMVstKlqpkJinDjryCZhf9wFrbjdNzR1y7TZUsQ eQIDAQAB -----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 282816552294746593004912200491925043309663 . . . . . . . . [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 2019-02-25 03:00:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-26 03:00:13 +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 'demos.dke-research.de' . . . . . . . . [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 23389605064905743472325332673071170704611126233714137623104718720145291997634041680431952789386554179047393778720113954754315853570787854265499140186568059146938783391875983670299440584871980631579566903191102954530393495468894905135499476319547462746506074664258185693649733237253932363475330793495067344538604025809873955648216478947708410794179064551050274601764883132186277464143413757131922371261363652231655214275576234087994517646956224136885262252360343353808914139282941671344035031683602786255641463205510020715804682198756040457578823648938535479674976145600116215787610166119200691186048301963695935393913 . . . . . . . . . . . . . . . . . . . . [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) bd7d6b6fb58e908ba98d7ad8e6247bf516c1ebb8 . . . . . . . . . . . . . . . . [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 (53 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'demos.dke-research.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dke113.cs.uni-magdeburg.de' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016922cf6d0b0000040300473045022100fbee04218b4bc3c8ff75eedcaeaea2fe5d213028663a9cb6b82856143760d0b002201613d202be77ca5ea6398a6f38604f9975d496decabe08e9fe3ab1b4d766fc1500750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016922cf6f54000004030046304402205ba1431c6be0cb276730dff81acb655383fc1653a67b10b0bc5c2ae406bee3ca02201b11d2e9a437f67637dc955157ec161a906735794c05464cc8eb72fbb5f09b33 . . . . [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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