DV SSL/TLS Certificate for slauber.de

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the slauber.de DV SSL/TLS Certificate

This certificate with serial number 05:fe:38:31:9d:a9:c3:ef:77:70:75:bb:23:2e:42:ad:36:66 for slauber.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 slauber.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): 05:fe:38:31:9d:a9:c3:ef:77:70:75:bb:23:2e:42:ad:36:66
Serial Number (int): 522067845244818132760698168998577660835430
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 84:20:56:9c:45:1e:81:a9:95:72:91:fb:f4:b8:7f:13:08:9c:4f:71
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 13:8a:e2:77:5c:96:41:27:de:43:87:ac:32:04:70:d3:cc:b5:36:b9
Fingerprint (SHA-256): 87:c0:7b:41:b7:2d:c2:65:51:65:76:05:c8:35:30:a5:a5:49:dd:e3:a3:ca:56:c1:20:22:3d:43:db:e0:96:fb

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/103.crl

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

Advanced Certificate Properties

Technical details of the X.509 certificate for slauber.de

Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 slauber.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 522067845244818132760698168998577660835430
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-11 21:52:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-09 21:52:41 +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 'slauber.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 935720799699319238342469524935154966154607568857143075007375308868230340840654831689959992455856282071763059456211506594541725631102616430196636725057942918881750372099273271424438488112073359811914750285588951024877820331575312277734907241386843515817592755096785237714862627011029769102438652562928038714282507809758163079698458819392976846637945839929724887640001529522457831098663997503124090537556721686794953455423657571346777033705835382561643476439429139697583868420235111169637065015336291966813759123279986785046742146449296046180114796702170043518887538457449465346104922698024789959774946834729920705767666284466534740537808586735079041415275207492513633095556331912116856037850281785407280384260845388346035115365477822386245045861008749245975183870483448694234928338114653373939248320378812801637464480058170878857796920977872330437244043069618167405480833426078122700372554024141653649161457207206238668765781232033498800925585661583841593220699990268616972164888829752161137057916763956923626174272073757566391042669442062173905367951900415714228235226380268024187547684151443643704738837612074064580995685641861556788699800016189513318519402836053720461171095851516914492337248601957047192782363105533626327014303673
 . . . . . . . . . . . . . . . . . . . . [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)
							8420569c451e81a9957291fbf4b87f13089c4f71
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'slauber.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.slauber.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://r11.c.lencr.org/103.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196c18b95ed00000403004730450221009f7c0b3d4f6f608b85a0f83cb7636d55bdaaef416612d06d9c26c15a140bd2660220294e8e996ce3e11f1613a3c197072a732b3244d24537c7235ed7bbf285ad946b007600af181a28d68ca3e0a98a4c9c67ab09f8bbbc22baaebcb138a3a19dd3f9b6030d00000196c18b9799000004030047304502204ee93ea187e1e15793a3f530ce091c003fdbc27f2a129c21ad2659bd5d128216022100bef271623ffb8bc484e1431e37b7d7b430afcf9b8361a8d722d4743aea0cc353
 . . . . [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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