DV SSL/TLS Certificate for www.wuppershirts.de

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.wuppershirts.de DV SSL/TLS Certificate

This certificate with serial number 06:b8:5c:1f:d0:0a:d5:f0:9c:38:c7:dc:37:58:28:34:b1:fb for www.wuppershirts.de was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for www.wuppershirts.de provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:b8:5c:1f:d0:0a:d5:f0:9c:38:c7:dc:37:58:28:34:b1:fb
Serial Number (int): 585408125260428674368683295487529919492603
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 09:24:9b:38:67:de:88:1c:6c:dc:17:b1:f2:7d:9c:e1:c8:d1:85:b6
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 9b:c6:71:c1:bd:89:1b:ec:26:81:8d:88:4f:7f:61:62:d7:af:b7:12
Fingerprint (SHA-256): 2d:0e:02:7c:ce:7e:d3:be:06:88:54:73:32:f8:ab:1c:77:81:3e:cc:1f:5a:3f:7a:2d:a6:1c:65:a0:62:15:60

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/124.crl

Check the revocation status for certificate www.wuppershirts.de
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.wuppershirts.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for www.wuppershirts.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 585408125260428674368683295487529919492603
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-13 21:46:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-11 21:46:15 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.wuppershirts.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
 . . . . . . . . . . . . . . . . [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 880281798584431733012915332052284652595441974258776150503015909916784098440033338965125710110606218344592537173801439423400930143561413838483060393505435321998439482408877319110752629579121123856017086824949329266647326307103130460285435863452138175509566914778443674325312194808208591672106505812042538626584453291108353663485416779060448940816788462868282716496236296221037095078568936955430596265796795441929002456382544551545801917403861658881501880803500398572941215276804385627617963060713657156674180713875779825106464376863568544965573594530787846901711827359426084086924125778902177634889365086512954465018972729439626450844227016696837298234245877805200210166209158179723806190752092323738795099728469446513303840794908089281608858568639545654419016044631635602585714546597508415888723947365656672972301087847703943893344736974036999889435070957485379285091418000131648933540856415752430228561974828176182672591548953508730916475845886437229417895202836839981848359246385034404523443936363997385730580554360949136960145002484942912421128508312223182349322793277582338256961364513190172991800831330725700507463002047605707025691640365454004274283849657298102470908864636257756040282015885129736363661080561536404225056514291
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							09249b3867de881c6cdc17b1f27d9ce1c8d185b6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wuppershirts.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.wuppershirts.de'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/124.crl'
 . . . . . . . . . . . . . . . . [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)
							00f10077000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa340000019805f65496000004030048304602210082c5096c620b40ffe91412379bfdae6c1364a8e78d4dbdf8a1bfe3e87cc59004022100977f18b78f4b12fb3172abdb2162f4cc75b1c18a56be7e6e3e57f8182cbb7307007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019805f654ae000004030047304502202d16496e08d3f61b5d02c04850fa72260bba067c99541ff7c7dce877a63d4d54022100b7f5912e2934986322b535b93ed7b97560f86f3dad84d8712cdeb40b4aa922f5
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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