www.karstenbrand.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:66:b4:45:4f:64:eb:9f:a1:2c:ea:ff:89:1d:9b:d5:fe:c9 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.karstenbrand.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:66:b4:45:4f:64:eb:9f:a1:2c:ea:ff:89:1d:9b:d5:fe:c9
Serial Number (int): 296285280139247083870916288294252168216265
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:72:60:5b:f8:86:e5:16:19:17:fd:30:67:6b:77:f9:12:58:91:15
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 17:53:ca:91:bb:89:f3:d2:0c:34:da:9d:1a:4a:81:be:23:25:b9:4e
Fingerprint (sha256): 90:c6:5d:3d:48:8f:7c:a7:88:84:20:ea:82:df:ed:fa:0b:1d:58:ee:33:f7:d3:3f:33:0c:67:1a:64:02:69:d0

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.karstenbrand.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.karstenbrand.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.karstenbrand.de

Other certificates including the domain name karstenbrand.de

(limited to 100 certificates)
www.karstenbrand.de
karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
karstenbrand.de
karstenbrand.de
karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
karstenbrand.de
www.karstenbrand.de
karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de
www.karstenbrand.de

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq7BO19D4WInWk5tqkL6q
eOxPnSoFmKZaOxhdGEHn1rSALXz1pl9MWc2Xk6F18SBUZ4m0YnWzUOu/ycXjK9vT
I5Vkqwaakxi2EFQ/8LXbzHt5Wz5MdQbhB+HZs0brke1/+uNaeJhP2I0d8tcpI6SQ
ri3Y7VGwS32+aeGk5ztmfGaw/1ypYN8uJThGLqzMPlIiDJqZwb50taVj6A/6cPRu
AqgaKwr6cxPkUberrFmrHPzDWcVsZxM3grB7hqvgVTpKnpnxJAmRghebCmtVS3hL
k4vlWTGOi1EIXmltBYW3u/wtY/jugV9B06Z+Sz9DJ/jHal+SmCJrYlEELjSOiXHg
AQIDAQAB
-----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 296285280139247083870916288294252168216265
 . . . . . . . . [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 2020-02-17 13:09:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-17 13:09:35 +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.karstenbrand.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 21673690854752006766241477839663456389838546608671203283992836365460839017953797806492108610835416987076645619035179277759283259198739232019814909570246341929498534083952914029308919658488568070602005131054833345503471355845966007693178331077831998126706666929433244591046787082106700879821251875321423279407052338477083202014512182808124910729115615020604750185940451580694132692132552325662280784958497114301936263585438714941705933379043764421327354375888847364090186225228040662297214157434204550551822922692689916087183500150145077305791690781902403114898437909989662389070137681912986372604703203805248099573761
 . . . . . . . . . . . . . . . . . . . . [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)
							d672605bf886e5161917fd30676b77f912589115
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.karstenbrand.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170537b9dc1000004030046304402201a66a2395d1542cbc644a3a3f3e3926dd23b524e5716f67587c3d9ecdbc6f41a02207b1f806d620794ac819f7ed8f11fcc8691405ceec942cb943129bb2b7d4f60fc007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170537b9db50000040300473045022100c840f97bfbf049495bedaedb72035145667b15bc938e2d394989376745e22962022011197dff6e0d0bf822732edca3d7c8661f6712f3f25511e302b89e9cf765e4fe
 . . . . [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)
		0001c42693d25e4b3b690d8215e77d2d6cff0a38f4bd4a069b5404524950c31a55fb71500ed7cf2f0c16933249103627e4cdc7a5006244f6db7bf20d03625a4190fda22788e9a7ba17a8f9419fe1df7bd47590547bb00c76573876d26b8647150a1baf1d45b0144eeb317fbab31d62824a2599cb9e765a2d7d1ad9ece38237b0a81bbe8806c378825c850fa664266c7bcb580aa303725e32fc1f10800f88ce82f5744543482c08cb73717c490da1c8c0cb92ff056299ff9f0163275d2de6e6f2c765c690e873f0f6a4ebed209a92c37b62b72ab9701fabb517a30be25c288fe4fd08c87ce43276eff1a5be1a17d5191ff097dc02853f74a5d18f79c5bd948b4707