www.sozialgruppe-kassel.de

Issued by R3

About this certificate

This digital certificate with serial number 03:d1:e3:3b:28:a6:82:8e:f3:f2:97:31:66:ac:6d:d4:a7:9e 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=www.sozialgruppe-kassel.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d1:e3:3b:28:a6:82:8e:f3:f2:97:31:66:ac:6d:d4:a7:9e
Serial Number (int): 332757914406803373255884158102525829228446
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 18:03:c6:db:e2:c6:0a:b5:a0:29:b6:89:3f:3f:cc:33:0e:1f:5c:7c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0b:fa:bb:7c:2b:67:b5:0a:1d:42:4c:f7:06:f5:6d:61:48:fd:67:66
Fingerprint (sha256): 1b:e0:56:36:57:bf:92:16:f1:75:b2:39:9c:e6:ab:c3:38:45:f3:da:18:18:b6:55:d9:db:04:8a:8d:c7:88:d9

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

Revocation information

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

Check the revocation status for certificate www.sozialgruppe-kassel.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.sozialgruppe-kassel.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

www.sozialgruppe-kassel.de

Other certificates including the domain name sozialgruppe-kassel.de

(limited to 100 certificates)
www.sozialgruppe-kassel.de
webmail.sozialgruppe-kassel.de
*.sozialgruppe-kassel.de
*.sozialgruppe-kassel.de
*.sozialgruppe-kassel.de
*.sozialgruppe-kassel.de
*.sozialgruppe-kassel.de
*.sozialgruppe-kassel.de

Certificate

The complete raw certificate details for www.sozialgruppe-kassel.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxTPwp+QKoHXdn705k+gz
+e86GrlXT74vCRgt0L5jYQSfRV0K6JXNUb/RlWX226AVoPoFKYQWYBWlhkZgMcZy
uDx7YlUU/g6pdUf02HXqMrmliUDhcxr8WstsRx7QxFSgwpfWactIxNNYYHlZdvZI
q3SHx5E23Bp8eTkVRBbYbwLaxyZhWVDCwWOqlIikLV9XmlUffYqg5eT8whsogJeZ
StqtnNGpsCSwRc7Rjpvjx9nCfOH34f6tiZc1CDuOu0DikzCuizl3i4z47q738N/j
1szbEUYgmfhTjB36kYBI9bnETPXLQnQRhSC5Oja9X7Q6O6BqbNQqFy67aA0R6drU
MQIDAQAB
-----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 332757914406803373255884158102525829228446
 . . . . . . . . [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 2023-10-30 08:14:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-28 08:14:45 +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 'www.sozialgruppe-kassel.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 24894558677386752427643324602928257688453687200004355845489600128419760279186374421258435348806359338062425134099778893392319977471263308900778579866713964522303099090485857082600283710758162296540577176789891649556768252229274492480897018545583844561031953604951622279973713812918258341180469932893064050524588118927883651436813395206621274682008027400801341077301867939702062631160354578687452799065639021281271163531086896435151130454102602652840742652411971174457533732109197874775049232657064177194450137579060152746325748439051989539592344091401378246284107376583265606364002194491266259287481258533667110310961
 . . . . . . . . . . . . . . . . . . . . [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)
							1803c6dbe2c60ab5a029b6893f3fcc330e1f5c7c
 . . . . . . . . . . . . . . . . [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 'www.sozialgruppe-kassel.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b7fdd39e90000040300473045022100845fe2cd1d071ae7a963a4495aed51ec72609f4cd9e61d790290eed32e29bea502207684ee619b489287d8585857225cf8f57c70e0126fb43389573787df98f269220076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b7fdd3bce0000040300473045022006ffeaaa7667927223190e2c8382e3177a5d7378f758966539199f292f15bd69022100927257c84018809be0c4289b9b7771dbe51b76159a3db71fe8eb87e5fe836764
 . . . . [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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