kafka.verkstad.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cd:59:a8:f2:b0:fe:90:b5:74:1a:ce:62:fa:ca:60:65:cd 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=kafka.verkstad.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cd:59:a8:f2:b0:fe:90:b5:74:1a:ce:62:fa:ca:60:65:cd
Serial Number (int): 331213921533936281134511024450690084791757
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 47:88:b0:c1:36:0e:7d:b5:5c:b8:d7:cf:f0:e3:95:c1:b3:53:a6:8c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 89:ad:87:9c:fd:e1:57:25:e0:02:9d:69:9a:53:b9:24:56:68:c4:ac
Fingerprint (sha256): 60:7f:5a:d8:82:95:18:48:41:3f:0e:69:57:c8:fc:09:3f:b3:7d:3e:b8:55:8f:5a:c6:71:2c:03:76:78:df:af

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 kafka.verkstad.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kafka.verkstad.net

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

kafka.verkstad.net

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Certificate

The complete raw certificate details for kafka.verkstad.net in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFXDCCBESgAwIBAgISA81ZqPKw/pC1dBrOYvrKYGXNMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjcxMTI0MThaFw0y
MDA0MjYxMTI0MThaMB0xGzAZBgNVBAMTEmthZmthLnZlcmtzdGFkLm5ldDCCASIw
DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALQwvjYrB+GLOavsuLy5Uk8VfWoT
Vv/g/UDgW6gimGwFo/gcZJbRAuYdYe+y+z2ESnCP2hayq809rw5g0ZLDzlfCIsXG
nLG6DzuyjUqMHbR2A0FqWPYRG8NUZpNXAoMwqeXZbYSARaaPe2KFgxKZ1U+4DQGO
1TNBnJ0dyiIMjY0yPlS2nxkGNllAFTlSWx8ChhX7/lM1/DYKoq8ejc9UfSkkUiF6
bFkO8K2D58dWoSKQKA7KY1InsAHTE2j2Jb4Pr4zaZk2MNAxleAmU2HhH3qLA3I1W
tvggIVQo32538Maci2htroeF/MT0QgBFfSIhBwdZDAUo+4TqdtgGmB83vDcCAwEA
AaOCAmcwggJjMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI
KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUR4iwwTYOfbVcuNfP8OOV
wbNTpowwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH
AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5
cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5
cHQub3JnLzAdBgNVHREEFjAUghJrYWZrYS52ZXJrc3RhZC5uZXQwTAYDVR0gBEUw
QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov
L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdQCy
HgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQXgAAAW/m9a62AAAEAwBGMEQC
IEmNEdhGXL4TOHj/wSRoJMmY9l4PymxgeYYx7poyd0hoAiAIZ306KQ6JFKl97p5C
/+KkN4rrQP5VfXAFGiWw0zoOHwB3AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaN
sgiaN9kTAAABb+b1r8wAAAQDAEgwRgIhAMBqh7+vQzTTkuHCv8+JLLoWyr+GC1Y8
9bgH7hzKS4d5AiEAyPTHMogtWd3hG0U5NpIES4vIcFmbwv7nx3yuvW82eGEwDQYJ
KoZIhvcNAQELBQADggEBADZl+pjmvRm/Lx2JtIBIUF1JCy5vGrYFXSYjmMAv1IHc
yCpFAVxUGE7HY9/7ksS/lVRbJVOMGI0r2kS5UAHPfpvvkrA4sQAUdlqElk6p8p3L
8g4r63xWkQEL+oqpsnN9EbvcvLFzffPKpkDxkRmNl+a9mOO9tQgP37nytEldWl4q
YcqbbuJw1XpsOMA61NzS8zBX8Qfm5ZVi0ReK5o2GeFcorhw+ZqJAnNhjVv74LR4x
wq4ATPpqD9ffjGU9xeG0AI99429WoKcnOU0mFwOGDcPwaMudrVJbzpyS+GDrwFXr
yQPBBx4h+4eu/l/oeCA56/bTNZhgKWv8hvnVxJjrmmo=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtDC+NisH4Ys5q+y4vLlS
TxV9ahNW/+D9QOBbqCKYbAWj+BxkltEC5h1h77L7PYRKcI/aFrKrzT2vDmDRksPO
V8IixcacsboPO7KNSowdtHYDQWpY9hEbw1Rmk1cCgzCp5dlthIBFpo97YoWDEpnV
T7gNAY7VM0GcnR3KIgyNjTI+VLafGQY2WUAVOVJbHwKGFfv+UzX8Ngqirx6Nz1R9
KSRSIXpsWQ7wrYPnx1ahIpAoDspjUiewAdMTaPYlvg+vjNpmTYw0DGV4CZTYeEfe
osDcjVa2+CAhVCjfbnfwxpyLaG2uh4X8xPRCAEV9IiEHB1kMBSj7hOp22AaYHze8
NwIDAQAB
-----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 331213921533936281134511024450690084791757
 . . . . . . . . [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 2020-01-27 11:24:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-26 11:24:18 +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 'kafka.verkstad.net'
 . . . . . . . . [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 22746930969950224720934983720029652109892662561921970158898617343262105542561239252181104749545951737450349346840038107295505284738739279260382761360878150246374283374963742487013802731252346291976797081307850867920373482320981104272688165039493545740472359361958045271719372090935466891745308505993881912272839894718268736892637624794192776608646970386773984585767374496934710699629337842382197077603143585499469065652595525217246453597423190588980784056090959431294728896378752333249123348708283727849087049614197105215889176453832298140695730643364453805161425912417518903017399180839870940943434218288723191643191
 . . . . . . . . . . . . . . . . . . . . [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)
							4788b0c1360e7db55cb8d7cff0e395c1b353a68c
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kafka.verkstad.net'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fe6f5aeb600000403004630440220498d11d8465cbe133878ffc1246824c998f65e0fca6c60798631ee9a32774868022008677d3a290e8914a97dee9e42ffe2a4378aeb40fe557d70051a25b0d33a0e1f0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fe6f5afcc0000040300483046022100c06a87bfaf4334d392e1c2bfcf892cba16cabf860b563cf5b807ee1cca4b8779022100c8f4c732882d59dde11b45393692044b8bc870599bc2fee7c77caebd6f367861
 . . . . [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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