franz-sauerwald.de

Issued by R3

About this certificate

This digital certificate with serial number 04:28:6b:ab:4f:1f:b5:80:0f:1a:74:59:7e:e9:52:24:9b:36 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=franz-sauerwald.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:28:6b:ab:4f:1f:b5:80:0f:1a:74:59:7e:e9:52:24:9b:36
Serial Number (int): 362203555287012923905985996925612956359478
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6b:ce:a6:ff:ae:ca:d3:25:97:4f:ce:47:03:61:f6:3a:89:b0:60:a5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4d:ca:0d:4d:76:25:93:1e:fd:41:90:58:1d:ba:fe:06:ed:80:d0:2f
Fingerprint (sha256): fd:da:15:7d:ff:ca:95:80:43:a1:ba:45:0a:e7:56:9a:4c:7e:ab:93:f3:27:31:01:df:f4:c8:81:f3:2d:4f:42

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

Revocation information

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

Check the revocation status for certificate franz-sauerwald.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for franz-sauerwald.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

franz-sauerwald.de

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Certificate

The complete raw certificate details for franz-sauerwald.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzaqnmRVSHnwxkT/Ymr7C
FbmJ0rtOLLjLepyWdqU+58fmP4C67sO1A1RvlT+8Ue6boMn57+KIYHt8FD9XbnTg
Pg+vFqzGvFtha7qSdc1vFpgZpEzJFHhVLJkVOuK6FiYAb8+g0GP2HFo2yFXtrRjG
QpbDSFxG6t1WRZoW7KTgQeqXM5kKwMBmyzpesvkFiyahDPkQhZN4ev6pAByvDdee
T0d/rfW7w72uHeJYpxxT5PBxevk1jVan5WQ+1r4ZwwqYleuh65IG4Vsv37vqJ2FN
m2IJi4LmhFJpF26ZZQjdyw/BSs/zaK2AR+LBbStS11UQWyrR/ItffhjipUjtRAZP
CQIDAQAB
-----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 362203555287012923905985996925612956359478
 . . . . . . . . [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 2023-12-23 07:38:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-22 07:38:19 +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 'franz-sauerwald.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 25963005476984174064641508786570697180934570901150546286784385889594177776939409923988340764457577629650028509570085933012225068754258885174731133201380102960084727714388165250598054085744064268693906042458175224709607585155504013635806420946361576646232573821756469036128029909743906832000447758740543168137486006849873326310278592515414468336285782065755603672990259488834500831491056624763741562929661155093333812837088885949730627518013028020809659400732900718528215870651712725007745367675100098121950627296124642464417081778450678632984665394526147211065787998827131876213520888749642512506583761467482040585993
 . . . . . . . . . . . . . . . . . . . . [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)
							6bcea6ffaecad325974fce470361f63a89b060a5
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'franz-sauerwald.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)
							00f1007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c95d346190000040300483046022100e8e4cead1d71a48ec82e31697cef91c8a67c378dedddfb002169ea3dbf7b17cc0221009791155097547402d79d16b3395773d1831cfb29ba50eae8f8b5f35d0302038700760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c95d3475a000004030047304502206240390b3afafc4a099a1a261401ffca90e42233a0719fe28ec996efd6e66e230221009a9a2ec9a3f39fce6295899d47806ed8d59356f3ad92ea3b03d98798e7db0ee2
 . . . . [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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