tauwerk.de

Issued by R3

About this certificate

This digital certificate with serial number 04:65:51:6a:39:a0:76:73:53:c3:9a:dd:77:63:23:61:64:a8 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=tauwerk.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:65:51:6a:39:a0:76:73:53:c3:9a:dd:77:63:23:61:64:a8
Serial Number (int): 382925881805991866337350640924931102172328
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5d:9a:5a:0e:ae:57:d1:d5:bf:81:5d:05:83:af:d7:ea:a8:02:d3:e8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d1:e9:f7:a7:e5:2f:b1:90:93:a2:87:12:e7:2c:8e:44:bd:fe:12:da
Fingerprint (sha256): 04:01:e3:0d:dd:90:6a:08:8e:3f:7f:02:89:58:6a:26:d9:5f:c9:5d:1a:f0:37:43:69:2e:76:d2:6e:2d:eb:b6

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate tauwerk.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tauwerk.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

tauwerk.de
www.tauwerk.de

Other certificates including the domain name tauwerk.de

(limited to 100 certificates)
tauwerk.de
www.tauwerk.de
www.tauwerk.de
www.tauwerk.de
www.tauwerk.de
www.tauwerk.de
www.tauwerk.de
tauwerk.de
tauwerk.de
www.tauwerk.de
www.tauwerk.de
www.tauwerk.de
www.tauwerk.de
tauwerk.de
www.tauwerk.de
www.tauwerk.de
www.tauwerk.de

Certificate

The complete raw certificate details for tauwerk.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 382925881805991866337350640924931102172328
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-30 21:04:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-28 21:04:14 +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 'tauwerk.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 894986481075013276601946047427535078717742797110132907698410905466886954271362323968604795744192501863636661537893347192670755933881795966812477270743875893736525638960002044116754743127012133615286403938625103811655269424314819621167831790650030621918911401590629213496858082615951407820268223230307038559230424198122325658478842808099404022679212201567972487072826038957109418635767450213139636681971558655286703560159696589606780627706996209845089517605389881366705005647081482665814579779162274129500054635906213191723079872844174384413480495058626445253853285858421204806028044201412611080625876004033053097640611131826284661970125745864644658253558323620959594910001714357733594372039214616556871387003944408371217507039897364923304875236751624739751425896176804100386436946163727215023318825418862035147409120875205169590301064891005908379733936723790936473144550780706319007010159621692855568043420700105679491926562598386176677493098826361707144816684415122977910354973431388953246085366500883512392895677138351167610465087927567113591817242708331312489367790085476666952334001736356609368023472925690939157823760437235662259813287810816149966848209096089581231936215114340733315415821974745955462638886881026203468857330607
 . . . . . . . . . . . . . . . . . . . . [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)
							5d9a5a0eae57d1d5bf815d0583afd7eaa802d3e8
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tauwerk.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tauwerk.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001890e55deba0000040300473045022100d347cdf5cf0a325f359fb20927b074f4458077c9c9c034ad03cbcfbcfa8d66b302205e6d82d625bc6905afb521fb7d5e3bc2a2cd0cd5d336be9c975b2c69f4806c6d007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001890e55def000000403004830460221009d6e69e56ab1f3511faccb3aa78286a4ac13468de88aee68bd4461fc91d1724d0221009283f3d43f9274b415650b4a06f45547e1bf735f4d2a19a9195476532accff1f
 . . . . [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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