werktraum-hannover.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:48:ea:a5:60:8d:df:cc:0d:45:bc:c9:14:2d:47:c9:8e:52 was issued on by Let's Encrypt.

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=werktraum-hannover.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:48:ea:a5:60:8d:df:cc:0d:45:bc:c9:14:2d:47:c9:8e:52
Serial Number (int): 286149086251935392575859055305713812868690
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7c:b6:6e:fa:02:bb:ce:ff:78:3a:fa:96:ec:bb:5a:b0:63:e4:06:84
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b1:55:74:1e:1c:6b:3f:c5:30:09:1f:f6:9d:ba:04:1a:55:ee:17:05
Fingerprint (sha256): 10:6d:0f:ed:88:6b:d2:0b:75:95:db:05:b1:88:54:63:99:f7:7e:76:72:ef:01:5a:3f:f9:f9:57:60:6f:02:1d

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 werktraum-hannover.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for werktraum-hannover.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

werktraum-hannover.de

Other certificates including the domain name werktraum-hannover.de

(limited to 100 certificates)
werktraum-hannover.de
www.werktraum.com
werktraum-hannover.de
werktraum-hannover.de
www.werktraum-hannover.de
www.werktraum.com
www.werktraum-hannover.de
www.werktraum.com
werktraum-projektwerkstatt.de
werktraum-projektwerkstatt.de
werktraum-hannover.de
www.werktraum-hannover.de
www.werktraum-hannover.de
www.werktraum-projektwerkstatt.de
www.werktraum-hannover.de
www.werktraum-hannover.de
www.werktraum-projektwerkstatt.de
www.werktraum.com
www.werktraum.com
www.werktraum-hannover.de
werktraum-hannover.de
werktraum-hannover.de
www.werktraum-hannover.de
www.werktraum-hannover.de
werktraum-hannover.de
werktraum-hannover.de
www.werktraum-hannover.de
werktraum-hannover.de
www.werktraum.com

Certificate

The complete raw certificate details for werktraum-hannover.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFYjCCBEqgAwIBAgISA0jqpWCN38wNRbzJFC1HyY5SMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMTMxNzEwNDdaFw0x
OTA2MTExNzEwNDdaMCAxHjAcBgNVBAMTFXdlcmt0cmF1bS1oYW5ub3Zlci5kZTCC
ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANBccsWvT5J7Omvwi8K4jk5Z
KN1zvX8oYwS796eSZ2yTE568rWMDkXYeVXO5Quk5rjE+bE3CvkBSNnV14EnxVT1g
b9zkqyNlONvJd6dIdakK1r4+OZH6sW2/FGg4U/YC4LnIrkj3M/8NX7thOHynKUOD
wbLXcKsedtwfqKJ183rz3FXN39qfihd92uB5zcPWn61WemWpcbxGki+GFAoW52ET
nF5HCpQT5YdZFhYOpt28Z+/2pb7Xz7s1wESUhbwWgVBNnEx0REvRyNGpv+zw3rWT
SXc463hPp0+YbdkhDBAkuZ3suFvyOHlNXYdoghjvnsgc7co8PqMVwBlzSaBuk18C
AwEAAaOCAmowggJmMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD
AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUfLZu+gK7zv94OvqW
7LtasGPkBoQwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB
BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu
Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu
Y3J5cHQub3JnLzAgBgNVHREEGTAXghV3ZXJrdHJhdW0taGFubm92ZXIuZGUwTAYD
VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa
aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy
APAAdwDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWl4P+YKAAAE
AwBIMEYCIQDHPgntjoaKzq54ooweo99H3ZvxcEoPd8cT1uzXPTgDCQIhAJqTxrz/
6vjChVyUUpPrBSZqQWtFCmFdtuG3VywUSqh6AHUAKTxRllTIOWW6qlD8WAfUt2+/
WHopctykwwz05UVH9HgAAAFpeD/mXwAABAMARjBEAiA9rkENaWRfT51ZcB1B5tzi
Ngs+ssddNgJ3/BUpWQUH7AIgEsqgT3TYhTmhP9F83pxJcvdeUeWVkb0B1MqC0QOr
ZcAwDQYJKoZIhvcNAQELBQADggEBADq3RNHTB9chGKWkuPwUfr5H5PUwky6Bar08
truQra6w9ZqGmt8sPLlwYayR/6zpyNHy5gb1xC2ii+ncvIzv9IMMqcdSEM3KQocJ
SbYdQY6JeFByIOJQruje8mXhPJdvUSCW21Z5FElSknW5I33XlDCq+0sA6zE82t0H
Ny8HAdlmw4aAAHdDisSyw9ixiUAXucKvrL3vD37chEQVXGQ3YQ+cfVjkue6lN9o6
ykeERH8uBZnvMFh7oDNSuQ7q1oTsYgv6Cze+vtDxdmOk5U2jucLfUBe8+lTo4dx6
XOfYWPXx0dOjqBkLuqlj+RkSbwgrqBgf8b2htZ7cqiwEOB2nIio=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0Fxyxa9Pkns6a/CLwriO
Tlko3XO9fyhjBLv3p5JnbJMTnrytYwORdh5Vc7lC6TmuMT5sTcK+QFI2dXXgSfFV
PWBv3OSrI2U428l3p0h1qQrWvj45kfqxbb8UaDhT9gLguciuSPcz/w1fu2E4fKcp
Q4PBstdwqx523B+oonXzevPcVc3f2p+KF33a4HnNw9afrVZ6ZalxvEaSL4YUChbn
YROcXkcKlBPlh1kWFg6m3bxn7/alvtfPuzXARJSFvBaBUE2cTHRES9HI0am/7PDe
tZNJdzjreE+nT5ht2SEMECS5ney4W/I4eU1dh2iCGO+eyBztyjw+oxXAGXNJoG6T
XwIDAQAB
-----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 286149086251935392575859055305713812868690
 . . . . . . . . [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 2019-03-13 17:10:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-11 17:10:47 +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 'werktraum-hannover.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 26303155403022876776326223958806003289125729407268763155599116889731446497029803234242354121543358200559477108481749874507602424147333418671354350044152821990419742551314311960329714381641350757035896545051592843971658286670257127422654242755651312634688061768060594210138012881029970530441977419804797607580141505236415857691500978319791133376496085966361517246704116703239148278645001773165827590400219938779148222571852832247472065250638633273337994404405739828493326203791015727591325487580687774417887710904611603484969849869479036720420227648651434651177426469388247479773498526537113881415581478094684457702239
 . . . . . . . . . . . . . . . . . . . . [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)
							7cb66efa02bbceff783afa96ecbb5ab063e40684
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'werktraum-hannover.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169783fe60a0000040300483046022100c73e09ed8e868aceae78a28c1ea3df47dd9bf1704a0f77c713d6ecd73d3803090221009a93c6bcffeaf8c2855c945293eb05266a416b450a615db6e1b7572c144aa87a007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169783fe65f000004030046304402203dae410d69645f4f9d59701d41e6dce2360b3eb2c75d360277fc1529590507ec022012caa04f74d88539a13fd17cde9c4972f75e51e59591bd01d4ca82d103ab65c0
 . . . . [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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