werktraum-hannover.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:a2:14:f2:75:fe:32:ff:3b:91:5b:35:b0:78:5a:f7:c3:d5 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): 04:a2:14:f2:75:fe:32:ff:3b:91:5b:35:b0:78:5a:f7:c3:d5
Serial Number (int): 403602730657170141127051088003117868368853
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 45:cb:b4:34:3e:fc:8a:bc:8b:b4:db:07:a2:7a:06:93:ef:6f:0b:6b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c3:e6:c8:7f:18:51:27:37:a1:e9:c8:a3:1f:2e:46:86:eb:ed:5b:c6
Fingerprint (sha256): c3:48:ce:d6:6f:00:86:81:a2:88:85:a4:2d:72:ba:60:cb:ea:d7:31:bf:13:38:f6:f4:27:22:d4:ac:fc:58:c7

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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuxx9esHZ+crderLH788F
jlQ1+17Q9z24lnEatL8o/2m8UlzC+Pn7v7ClLbTKx0WifE5H0ALSVx0Y/ptwxYdZ
hVo47Wk9u8WYP7pAesYQjhhrQ5AYC0sgxqz/RQYlnT1PPuZhWPLgg+DDjuuFSuEg
kdn9SPNK1A+yXiccTTQc7yBMQUOb+R+kA8V/MJO/5IffVAcAaR7SqpREB0voQMrE
fLJ6hf68DsUVMzBJttI28RAtuuF4RerBdLZGUCQ0kH7OfHsf5qHxE/AUJ2T2QE+3
ktUC8saFGmuUvkAUcFxSpCx4wJQySyuKJpF7mYQ5CCeNIiamK9657Mzjvnji59Ro
zQIDAQAB
-----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 403602730657170141127051088003117868368853
 . . . . . . . . [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 2019-01-22 10:37:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-22 10:37:54 +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 23620612047390218804717635531130753896072664132186045913140890850110629450952551771166157071392295911385276186715620162253565112591963263272279507545591968920195782050920916985137354109006087577964466342955043863519374647473308133928691164720311737749778363899044124581599052417777216421623161431805017747804127433174788207448378669680214476940886896300103526720179310318269498646136086338020396560833627506066029947264751855150237213022378084129265962340095597310702253004493497501535153785561387845558105810277780863889900875117647395612263886835260563679456543952601951504395536330408875020651268060150617519450317
 . . . . . . . . . . . . . . . . . . . . [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)
							45cbb4343efc8abc8bb4db07a27a0693ef6f0b6b
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168755a3afa00000403004730450221008e0695a229421ca1eca9ccb4491cf42f4d395c52bb2aa338de246b52b25777dc0220275a24ff33a64b0478488f8f026498d27205ee49939e6b2158969e3baa33f4af007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000168755a3af30000040300483046022100c55b634c9cb7aa103a06468c8efd8ad2a80491bd5fd0e52e47a216271339d082022100892b5b247d5b4f19936a53c6d801d2d8734d4ea8c3a41b0d63d17edce58fe3b5
 . . . . [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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