werktraum-hannover.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:cf:ab:a2:1f:27:8f:47:c4:7a:66:47:ec:06:ed:16:10:ba 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:cf:ab:a2:1f:27:8f:47:c4:7a:66:47:ec:06:ed:16:10:ba
Serial Number (int): 419115733450934490948993955526504726532282
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 15:49:d4:86:3a:15:f9:6f:13:4e:8c:c3:61:ee:1a:a6:37:e4:87:e1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fb:4f:96:79:dc:dd:e4:62:cb:b4:25:03:a9:f4:78:a4:19:3d:67:1c
Fingerprint (sha256): fc:12:42:19:74:11:96:c4:2d:12:72:dc:16:1c:bf:9f:20:22:1d:df:4d:ab:62:5d:27:1e:0f:86:0b:d5:28:05

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA04AT39KZ7Tri7QOuzfjB
3raaaufk4kAV/0uuuwr8C/Gt3c2E6JcIjrkZKqFHuEsq6T05CnzmjD9QMkEs7py1
BdYXXiXEObovBEnkZdcJdSyo1GFGHLRVbnKDkRWXQnXNOpHGg9CXdw507mcRWHtA
2+o9X0XYqHg5BlzQkfSHQj7s2orxZiGPfmcePlq9CkgTcpxkMoblPopDwM+2MmHj
eSI1cltR7sDtjQiZc2jQzEewlqXQLeTDAAnyDMj+hnu8zYdRNhqZwy+MxpvQ5JJj
5bF/ZyuxqIlZzEKUtRa8FNmZuQxRrhdPU3Qhv4gv4NILSjDcBfz3FMwHd+wuUBPN
3QIDAQAB
-----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 419115733450934490948993955526504726532282
 . . . . . . . . [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 2019-05-05 05:17:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-03 05:17:35 +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 26699439783079916004719127844885672206053631432828090161124600136228085465996163927754430157499242112484574281611697083049433981092417641570546373145513667896491395310323817251640104268389935996633030942102588959256415608480461430863387490726178960592686882136291184887410674100247546964571937424545819136161577751326581713293494362112366650038348072240055853839517642627459384590325499396077918423690827228423788358377328626364092420468203229351514762420814198535821643873976588572093047526625533872684059716403230063482924687044208477215687442592937792233769102094360533296206323638267452859453215858178550073118173
 . . . . . . . . . . . . . . . . . . . . [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)
							1549d4863a15f96f134e8cc361ee1aa637e487e1
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016a86a3ff5a00000403004630440220562b08754de1cfb996b77e52f50ed158757df5a8806c242d3081ab0f50472504022036ebcdd3bdf1911d1722571032ec6058e7f5e51eac002ff101de4dea1bb146b0007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a86a3ff4a0000040300463044022029da880c018ecc7b8e295091a61622dcf9ce702eba65503e44549aa48213a2a9022044021b25e7eb250651d384bf614e7224858e5cf7c06d1fb6e67684778fa7848f
 . . . . [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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