www.kbastian.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:b8:c1:2c:ac:bb:6b:75:2d:36:bf:a4:f2:7b:72:cb:ca:23 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.kbastian.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b8:c1:2c:ac:bb:6b:75:2d:36:bf:a4:f2:7b:72:cb:ca:23
Serial Number (int): 411317872208165302931785564103019319773731
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9f:ba:af:fd:ca:a7:f7:f8:7d:c8:b4:14:1b:7a:22:33:76:f4:94:20
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bd:d0:25:95:ef:55:21:8e:ea:b3:6c:63:1d:e6:97:4f:58:a7:d2:d4
Fingerprint (sha256): 9e:f3:2a:c7:ed:1d:8b:ee:92:42:c5:c0:56:70:89:9d:fc:7e:16:90:fb:61:2a:3d:19:0c:88:7c:25:53:4a:a3

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.kbastian.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.kbastian.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.kbastian.de

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www.kbastian.de

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvIjZupXNKtqNvyWaaTV6
Sob4pmODWvKEswyKuefHbHHWxOtZJTjbtW5AaZN4dgLeVhLqPFJtlzNBt8DGdk57
HvLGGP8HboTagRFlh97n5LvzVGjAPgHW3cnlCa/xqeDd0XKXCA7MIyYcOF5jkRoz
vOPYGor7Qv4yhepmBNdHn5C/b76pwQH0iXtyNQe3KothlQwjPp40FscI/TRfAP2N
CQ/rHi/2VHlBCyhmGfl9lTVIjDRubDwj48LBudIV8joJA6+JDcQCV5QWZRAvMFOr
XFdU1lDAkonA2zR8v4GpP6AnnrdFT2WTQAsJbRaxZAKfhmjEk5PLfb80Japn7skA
1wIDAQAB
-----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 411317872208165302931785564103019319773731
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-01 17:38:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-02 17:38:23 +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.kbastian.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 23800284831947396984173438483346179220675433395264054477679934649107942779883491734605877504561049718846149531127380647733657517949245370755753738029057585741153957387464753342902182469456755747864816548346775213247619889964645194889867571621087906516851191957120636340599924028405477780269691301218316935416541602620924934445911903204004427066991680515437890353907251395981256832072950331176727117363417243440620172545726279993894746516649088686100866481563815998301589697545813831199449820217941705034915489176837326046370629513358557918000245726094528210488979600246618563311966594701920538365172265414177151582423
 . . . . . . . . . . . . . . . . . . . . [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)
							9fbaaffdcaa7f7f87dc8b4141b7a223376f49420
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kbastian.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f10077005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c00000168aa5acc240000040300483046022100912f46488a1b876d714ec6bc9432e94b9c56c3fc22fff201724c02e109a8b888022100ecc9a4d33e7872e2830dee6f12739139f68ed5cfff7490ce1528d76d242a019700760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168aa5acb9e0000040300473045022100b25c3e3f3a91b94dc1e7052ca3a8d8711b2fbf34a8869c82c96fad1a36a2d143022068484472f68073ce439a9ae0d50fc1cfb613957bc52602a3583c381f7ce57420
 . . . . [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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