www.werktraum-hannover.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:dd:11:67:22:38:dd:9d:a3:0c:a1:6d:33:38:18:e8:70:75 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=www.werktraum-hannover.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dd:11:67:22:38:dd:9d:a3:0c:a1:6d:33:38:18:e8:70:75
Serial Number (int): 336562393261420203405821113833944328466549
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5a:a9:c2:6a:11:13:16:c2:bf:31:55:9f:12:6a:06:d6:67:7a:54:e7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 56:46:b2:7a:eb:9d:d8:7a:e0:33:f8:b1:5e:84:3d:4d:47:cb:d9:31
Fingerprint (sha256): d4:2c:65:b6:5b:58:38:b7:e1:67:a7:77:bb:38:0e:fa:56:b1:9e:33:83:78:da:1a:e0:7e:35:5b:cb:e5:4b:c4

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 www.werktraum-hannover.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.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 www.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnYanYDNmnm/VdbPporg8
mKYXtqqHCtoJQWcbsiKM4ctcA+atZTxDW2LvZ359mIyEH3cqX0vLhiccHq5Rdizs
BG8M72zL2jwZanpPsngX6GCuoBhK31UCtupi7RRjXWGhJ2dWrxAr/ruNrSTT/cfQ
bCudK6xtYQIY4uv5+2uYtvdcyR5nX0c5llPnLuRtmYbrQSH0hYwcisiS10NgIqRk
65lVq3HgWZg2DCFcfU3FOsbMioT3z5rTWNYXX90sQDp1RNby9+jZKUAVWcsEfU1h
mwlBtevZMUedVblqwvMzPHxnkkL2QVIKCRY9uUa7zysMD8XWo3cjJ9qJrxcxn0VL
fQIDAQAB
-----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 336562393261420203405821113833944328466549
 . . . . . . . . [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 2018-11-12 12:33:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-10 12:33:36 +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.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 19885814148971434722930479868748491082588752606225023816081392344316040962627346136489368705409320328715692269648890939476199755669445042781096861396165810302688892276392314212048045362347072108301243820023580712584357831046775461230947534003475310515723315214694095536962844928450405393349207900776414924653548359102468941743921885406512827444853919008277833663259097696679560235676608407024368643752468656387284210639627125036334871279313727455082281170711418895798067452702599436747280851679980344045606699021353412529622272967023420558712740338994090792285374341282702474016712841039480391139379613273068501551997
 . . . . . . . . . . . . . . . . . . . . [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)
							5aa9c26a111316c2bf31559f126a06d6677a54e7
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001670820a3ff000004030047304502201414a4ac74ca3136bbcc6f88152091400afd3aecfa735a7f6e76788e6db46176022100d23829c12af4963eb8d9712f2863cefb58cbd531fa4052fe7bef63c1896e4d27007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001670820a60d000004030046304402204528b97bfca6e858288e4d5d37b04874ca210eeefd96c25286da36b1da3e982d0220080f127f8a2ba8f5b7ebb419b61b0bb43ec7dd3a6ab826a818ba6b7a672bf8e8
 . . . . [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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