felixkalbe.de

Issued by R3

About this certificate

This digital certificate with serial number 04:4a:7d:f3:2b:44:f0:b4:10:72:d4:e9:b2:34:83:4f:f1:7e 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:
  • 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=felixkalbe.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:4a:7d:f3:2b:44:f0:b4:10:72:d4:e9:b2:34:83:4f:f1:7e
Serial Number (int): 373797454984405793424684618928924165927294
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ee:6d:8d:4d:6d:b5:57:cf:aa:bf:6c:7f:0d:05:43:13:9e:65:93:90
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0e:4c:62:3e:e1:33:18:f8:78:49:c3:f0:18:7a:74:7c:44:57:e8:36
Fingerprint (sha256): f4:f0:ae:13:7a:4d:09:87:ca:3e:3e:01:e3:2f:84:fd:f8:21:2a:3b:bf:b5:b5:85:ca:12:fc:fa:ef:07:04:20

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

Revocation information

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

Check the revocation status for certificate felixkalbe.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for felixkalbe.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

felixkalbe.de
www.felixkalbe.de

Other certificates including the domain name felixkalbe.de

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtYADdiW1ZS2rufSd3gHg
+RS2FVJp5ulpKyPQUOQTggu2SMs1upNUFp/2pMwkj7qSfU7oJwqe2DxVhArAZ4eD
seW+xkCQx4hTcbaIV2Baj2FUZ4ta1g5wPQFqGMMAskn59/Wo6bHOLeRLP521vouV
cp8oc7NLjQcTeGwYt8qlcLgFFEFZTAyzOwBc7aAIte6M5Bo2jYEzHB8+W2uIwgBf
RouaUmt8P2owzGd6zqyNV65BDNrqrAJjpOM/pb8bMmAOlkIGKOz6s/yJjrxWkeM1
bueNJWOvvN4jIu7I0ZoSWEAtmMVTsnHLcCkNeJJ8fHeyZD6aML9iTDc+Oh7gYC2M
FQIDAQAB
-----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 373797454984405793424684618928924165927294
 . . . . . . . . [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 2023-09-30 13:26:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-29 13:26:26 +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 'felixkalbe.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 22912259019056917429948960960626074732205123530429242468173591860304452369426469940455917686739050400473965724618346001218892019211218558502223415100349347981466567629040405988163254029418312076591573883605229922836078416268157248900125836535662213497177424086357000521635872181765941285185849143251973670029177241829126425859517908073632902099499742467896168075420917271220432202661000760114172804549233409517918994501571288724800012454069392682737361901720452192757444981140245481301098602641332298198615589469939311043685920618018865850846448771305332210250797327975216814837909739509983532456346448093847428631573
 . . . . . . . . . . . . . . . . . . . . [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)
							ee6d8d4d6db557cfaabf6c7f0d0543139e659390
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'felixkalbe.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.felixkalbe.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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ae67bcef50000040300473045022100c3a517f020fd172738bf53fd500d0a2a61d7489f28898443218235ad71696e88022023cbeea9dafe9a6d22421d3f83b7ab1c978e5551adccde36e32f5af722de41620076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ae67bcf00000004030047304502206e53648eaaefeb9330bd986b92041b475a5200647a098193fcc55e9e689cdc9c022100b8c91679a9feb0f4e20a60dca743791d8963d0025c295e70d9499211bdc85d92
 . . . . [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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