krateczka.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:89:33:cf:c1:0e:f0:1e:ca:47:ea:78:db:25:50:77:8a:35 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=krateczka.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:89:33:cf:c1:0e:f0:1e:ca:47:ea:78:db:25:50:77:8a:35
Serial Number (int): 395136697344132864905163566868452743809589
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 42:61:84:29:1c:5b:2a:af:61:08:8f:8f:28:0b:32:59:9c:03:d5:5f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 12:2a:a0:b5:83:00:5e:85:78:b7:c3:33:e3:b5:88:a5:88:49:7d:33
Fingerprint (sha256): ed:d5:d4:fd:cc:99:cb:74:bb:c6:b8:52:15:0c:4b:bb:7d:b6:5c:c3:17:7b:4e:40:c6:13:95:ba:ac:0b:64:7f

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 krateczka.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for krateczka.com

Public Key Algorithm

RSA

Key Size

4096

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

krateczka.com

Other certificates including the domain name krateczka.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for krateczka.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGUzCCBTugAwIBAgISBIkzz8EO8B7KR+p42yVQd4o1MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDA0MDUxOTA2NTlaFw0y
MDA3MDQxOTA2NTlaMBgxFjAUBgNVBAMTDWtyYXRlY3prYS5jb20wggIiMA0GCSqG
SIb3DQEBAQUAA4ICDwAwggIKAoICAQD5hDMqqCIp2dqbxaxoSujyv8JixCNn1IdM
hELTT1jxp7eO4TePvFb/+kPQAg8na6V6Xmq3rmW/B6Ut0WYCNka94FNeL+37/OE7
f0Fwpbos8xRyYKU1g0Si43rA+H3YMCk5YdLpJSeDlH4Efce/szdrJji0GM2jvgly
bjHmIp/x6VagoRvIrzChXBwUw4b1enA22UUg3wv9dnTlGCUCDk4BesnanX/e1Dpl
BAjMLd2CpO8zbdDo0yFBCBABhhlVy93qG4MkI2+Y4f8fNf3LSG6EpLmextL/cLB7
dl5AFtmnj86ZdR4z+PEwfTElk8/PuMYNTxSPKPfylcFk2+bSbLXtkMAKeWxxRbe6
mwS8zwnnUE6xAuqTKHvbItWimxHzXJPGAB6CmJSgFYnnBpZ5n29dDutt/V8e4xSR
D8+HbA+QAx60J7vHPez9L7P2F+ohH3z7bmVGfEX77Q4z3lvQ1+ZwOn9+/MvXwwUL
HQf/+3HwEI+gVaYde4GcbXFOJmIBuetr6gT6pIDbh2YiQ/7Goh/zei94fW9Qdlsf
Sn7c1J7uQa7Jw5G5k+p7dBJn9hELbXJT9jZClb+yISe7gveD22fceTpmlGU8BI7E
IEjo0eQYFZ+peUs5uuS9ukt5UK6HdI+35whuTWwMpULBqlW5MasESCU4YUUpR1AA
ylOwNpfqqwIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG
CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRCYYQp
HFsqr2EIj48oCzJZnAPVXzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js
oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14
My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14
My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDWtyYXRlY3prYS5jb20wTAYD
VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa
aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz
APEAdwBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAXFL9BY6AAAE
AwBIMEYCIQCsxdT9CNs2TmEGs8F7p+59r0/E4JF1TPycflMT/VrR4wIhAOTxmeZO
BztbGsfGRHdeTuUphrACeOoSrDl92kIOws4XAHYAsh4FzIuizYogTodm+Su5iiUg
Z2va+nDnsklTLe+LkF4AAAFxS/QWJgAABAMARzBFAiEA51+7Wn/1EwAxPPblK6R1
swLmSgP87G71C9vN4i3csOkCIBkFgZjEjCMHGiWs+dS3ueazLMJR/Uo9DEBT60mZ
U3DsMA0GCSqGSIb3DQEBCwUAA4IBAQBSBIwxcKcqCcm6L92UGxXwgtwwykKMEZVl
pHQ7rf9GBzZ6Xch8YTs1va5d7H0az7Hf9OdEjYR6/tR+qlspyJFmUrHQNI5JZbem
hancxqCMK4XBJYCHulkdFsRJjXbEBXGhPZAHUcGpCgStQfClWHr3QfqYYtQ9BkDh
qZugpeSGXX3v8juEi8p8x9pRbTNMEfOTh4Oddkg6WCAeRzGdNKoxQU58GYRZZcGX
CY5eM13CIWfUrT52LiZ1wR4gRcbwPQyV6jKjMP6rTNRaGc06/nZ2n7xoFQtl73gv
Pj4x/QVQwYOkkSUiHZRXUVdAMP8hXQw/GWe8nk27d1sC8eBErzda
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA+YQzKqgiKdnam8WsaEro
8r/CYsQjZ9SHTIRC009Y8ae3juE3j7xW//pD0AIPJ2ulel5qt65lvwelLdFmAjZG
veBTXi/t+/zhO39BcKW6LPMUcmClNYNEouN6wPh92DApOWHS6SUng5R+BH3Hv7M3
ayY4tBjNo74Jcm4x5iKf8elWoKEbyK8woVwcFMOG9XpwNtlFIN8L/XZ05RglAg5O
AXrJ2p1/3tQ6ZQQIzC3dgqTvM23Q6NMhQQgQAYYZVcvd6huDJCNvmOH/HzX9y0hu
hKS5nsbS/3Cwe3ZeQBbZp4/OmXUeM/jxMH0xJZPPz7jGDU8Ujyj38pXBZNvm0my1
7ZDACnlscUW3upsEvM8J51BOsQLqkyh72yLVopsR81yTxgAegpiUoBWJ5waWeZ9v
XQ7rbf1fHuMUkQ/Ph2wPkAMetCe7xz3s/S+z9hfqIR98+25lRnxF++0OM95b0Nfm
cDp/fvzL18MFCx0H//tx8BCPoFWmHXuBnG1xTiZiAbnra+oE+qSA24dmIkP+xqIf
83oveH1vUHZbH0p+3NSe7kGuycORuZPqe3QSZ/YRC21yU/Y2QpW/siEnu4L3g9tn
3Hk6ZpRlPASOxCBI6NHkGBWfqXlLObrkvbpLeVCuh3SPt+cIbk1sDKVCwapVuTGr
BEglOGFFKUdQAMpTsDaX6qsCAwEAAQ==
-----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 395136697344132864905163566868452743809589
 . . . . . . . . [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 2020-04-05 19:06:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-04 19:06:59 +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 'krateczka.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 1017938124554092144669027957893435694896908737772791793745949762037472222536046914501739224820428055029513809121763699633515390633509165779893648638253605461509117223164511506132927041252903575077295651568787657437612710097695736765440182376355185125404482605611449829014888196161337105239882198271256702985491589741803778977417016131606984410708086758160723982971054328046596193150174214934036049181225410956009566969335367828600237312330020992864970373354978131023496381724122253259235992726330892459531483250494445263971612280382122157246417490023987500508199489906525416381277683133747743566883745306325488053581184921509906626206104561830383446786679435383111404944976144984125138643891776239661917856035484820802068522103688207367590014112942949810374477089619577538300659900155547696193632919165335945149192641634082116696091568428308098502719934669165609404374479012056547207783773930304875602274294229401920693907750201921640439204621709466440317562690092161226258051310887255890559239137539097927605957419748344658726465329471792015570368046219886988818244009783260828961332440749962290002157790576860382482193174011824499738068578915108649304134183513358465211241003600377585971893593619744936509000816031110250668219689643
 . . . . . . . . . . . . . . . . . . . . [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)
							426184291c5b2aaf61088f8f280b32599c03d55f
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'krateczka.com'
 . . . . . . . . . . . . . . . . [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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001714bf4163a0000040300483046022100acc5d4fd08db364e6106b3c17ba7ee7daf4fc4e091754cfc9c7e5313fd5ad1e3022100e4f199e64e073b5b1ac7c644775e4ee52986b00278ea12ac397dda420ec2ce17007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001714bf416260000040300473045022100e75fbb5a7ff51300313cf6e52ba475b302e64a03fcec6ef50bdbcde22ddcb0e9022019058198c48c23071a25acf9d4b7b9e6b32cc251fd4a3d0c4053eb49995370ec
 . . . . [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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