tud.stellenticket.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:54:a4:b4:db:e1:0f:1f:ca:ee:72:dd:99:b9:19:9b:f3:f4 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=tud.stellenticket.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:54:a4:b4:db:e1:0f:1f:ca:ee:72:dd:99:b9:19:9b:f3:f4Serial Number (int): 290139509081061553818514183981544121299956
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 21:51:1a:99:2a:31:2a:87:b5:82:97:a7:3c:4b:64:f1:f3:c0:8d:ec
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ee:0e:1e:c5:c4:33:f1:a1:61:3f:a1:f8:f6:75:3e:bb:c0:78:f5:9f
Fingerprint (sha256): 29:7e:d0:9e:55:5a:85:22:3e:ce:bf:13:15:de:fc:15:61:47:1c:a3:d1:27:fd:97:48:ed:8d:fd:05:ee:6c:3b
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.org/Check the revocation status for certificate tud.stellenticket.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for tud.stellenticket.de
Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
tud.stellenticket.de
www.tud.stellenticket.de
www.tud.stellenticket.de
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Certificate
The complete raw certificate details for tud.stellenticket.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGJjCCBQ6gAwIBAgISA1SktNvhDx/K7nLdmbkZm/P0MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzAxMDIwOTUwMDBaFw0x NzA0MDIwOTUwMDBaMB8xHTAbBgNVBAMTFHR1ZC5zdGVsbGVudGlja2V0LmRlMIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2YNfKR2xa7f3wxNvs/kZQnFB teH+0CMw5ylx2gjvJSiDV2DaHvs3iRDJaLsnLTWa7B0dIHrXKm8Fz1M+BDHMQHNr QApO59n5yZIx/yqShtKByRGBWPxFh+oS1IdFCfUZ0nfGuqb2duoisDs6uIv7ySgR 0G+lnOwMELqGR4htC4QYD9csmRbXOAU4LbiuBW4ZF0uOTMyHK+NwBTx7GDe90LHb DdvxXPBvHaav+568kwxfPSefN2XVm0+zYXwlyD/7Y1iFxaHowEST/FtjuQkKSun7 Q3IPkAyxJs377yxk3BaPXN2Xe9Azv/sm4CJVEMzGVrpg7hk/RTjZnZuoSjUsglQF Kh7BbRidWw4oGa6a9oClXc/Glgqh+p+AgjqlqOennjl1XBGErKSNGNd7Mu+qTK7n iSF1Rbpc/Ek4Ddvl5r41V29NCC7BxQkXOcyD2hf6bWY5XyqqPSLBhwVmhLnHWYU1 cSLea+1bgH20vJtAajeVpd39y10FSqJsG6gitQeHA05geM2HMfV0NNT46+y/YQ4o 5Mf64lb2Y4pkJ/5NztWhvKsc2dNc3xYk/X6ZZT+s4KFL/QMQPm7g20jtSKcc2lTO jstadK31iXAeK+AvWcVsGgPrgTl9zXdoXc7p74kIG/fnlP7HFbNkMs4R/aveg4eI 8uZ/Un1fzZ9XFCjdXM8CAwEAAaOCAi8wggIrMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUIVEamSoxKoe1gpenPEtk8fPAjewwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3 pkVl7/Oo7KEwcAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2Nz cC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2Nl cnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wOQYDVR0RBDIwMIIUdHVkLnN0ZWxs ZW50aWNrZXQuZGWCGHd3dy50dWQuc3RlbGxlbnRpY2tldC5kZTCB/gYDVR0gBIH2 MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMg Q2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQ YXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNh dGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9z aXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAi/VmxZ0c29CrqqOyraFKhwX6qD3ey EKAn1s33uiipwrllZ4lhBByNen7LYTQV2U/LmnwCYQ+izwkUDqxviUH5EYSCU6Wl Dkx1inF/IzpPlVWvQTJHaNKfBQFkuIiATocMnVzzmYq+wPEQWjobmNWvV8h2trPL rfLJ2mJZl5NF9TSB/5FBLB8wGUVw+1Uh5lQoOMzZ8QjF0COQfExYvoDIBKOQODu9 8BP4XNIX4dxnPVf9OU9BnMDPBqR0VOoeDHnK5+pzMlEnzTgTCS7qQx8wWmd2FWkj TwmX5l8Q9URObH+U2i10s0taq3C6fDMYV2mXfYWxBCkra0s20MJIzYax -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2YNfKR2xa7f3wxNvs/kZ QnFBteH+0CMw5ylx2gjvJSiDV2DaHvs3iRDJaLsnLTWa7B0dIHrXKm8Fz1M+BDHM QHNrQApO59n5yZIx/yqShtKByRGBWPxFh+oS1IdFCfUZ0nfGuqb2duoisDs6uIv7 ySgR0G+lnOwMELqGR4htC4QYD9csmRbXOAU4LbiuBW4ZF0uOTMyHK+NwBTx7GDe9 0LHbDdvxXPBvHaav+568kwxfPSefN2XVm0+zYXwlyD/7Y1iFxaHowEST/FtjuQkK Sun7Q3IPkAyxJs377yxk3BaPXN2Xe9Azv/sm4CJVEMzGVrpg7hk/RTjZnZuoSjUs glQFKh7BbRidWw4oGa6a9oClXc/Glgqh+p+AgjqlqOennjl1XBGErKSNGNd7Mu+q TK7niSF1Rbpc/Ek4Ddvl5r41V29NCC7BxQkXOcyD2hf6bWY5XyqqPSLBhwVmhLnH WYU1cSLea+1bgH20vJtAajeVpd39y10FSqJsG6gitQeHA05geM2HMfV0NNT46+y/ YQ4o5Mf64lb2Y4pkJ/5NztWhvKsc2dNc3xYk/X6ZZT+s4KFL/QMQPm7g20jtSKcc 2lTOjstadK31iXAeK+AvWcVsGgPrgTl9zXdoXc7p74kIG/fnlP7HFbNkMs4R/ave g4eI8uZ/Un1fzZ9XFCjdXM8CAwEAAQ== -----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 290139509081061553818514183981544121299956 . . . . . . . . [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 2017-01-02 09:50:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-02 09:50:00 +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 'tud.stellenticket.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 887376316911986286693122102397458494178063847839292443221671047118830027927917290570918457929707542874036887473022297122739818431055600070391325635295573424313078978014466689994371084201186983390722800086548243668644251203158494619660037339799683922973168593913569987199711767104053089657187747570408799448847402076357324292236948560685745331630287127364907916427457341353066015676748832150017875492717411810825698587499031373806473662357446635061374349997139011372622327399545561605208190500656598156576281795667446234210660300905188554947527654120775339308276982182885649179946548096452118249416185754931348927161076212539590174243779355729456292542698368431881743617091781775736011653904737166265171141107656423236194099100160790318499397645949486282017855429298123021878832241121888480712207941646010206836241476661284613107326265691556353001473285658260610640868781583484128016655047864448581916490893236782283055677754674721076691557366182926701040450066322677227771284197764397132328536260631106629179160409896608844831802862150791701700491721817684775935514002199255878481090427650078301119917772699694797315942335786069015168222003707537824547763814869410085007600372319723291617673644140164638412185740574872585179949259983 . . . . . . . . . . . . . . . . . . . . [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) 21511a992a312a87b58297a73c4b64f1f3c08dec . . . . . . . . . . . . . . . . [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 (100 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 (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tud.stellenticket.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tud.stellenticket.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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