krateczka.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:17:9a:93:0d:f0:89:8c:88:a7:f3:cd:e3:54:6c:26:79:24 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): 04:17:9a:93:0d:f0:89:8c:88:a7:f3:cd:e3:54:6c:26:79:24Serial Number (int): 356481102827940306102437236985823872055588
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: d4:1f:d6:fc:f0:a1:6e:50:46:eb:e4:7f:55:07:3c:86:ff:a1:4e:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 5d:95:61:a4:00:af:9f:9b:c8:b4:c2:c4:50:90:52:8a:0b:07:34:92
Fingerprint (sha256): 1f:44:55:e3:a6:0d:e5:36:ec:ff:17:5f:57:3c:1f:92:15:53:5f:ff:81:d0:f6:ef:dd:e3:c7:2e:8f:40:d8:f5
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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----- MIIGUzCCBTugAwIBAgISBBeakw3wiYyIp/PN41RsJnkkMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMTYwMjAzNDVaFw0x OTAzMTYwMjAzNDVaMBgxFjAUBgNVBAMTDWtyYXRlY3prYS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDLyMH62nIy0UN7fiQ5rLPWTpgJC+jA3+WT jv0BSH/oPlscfQYYMe/R79q3pDyJAh0kKuVvSKVOqz8hp29PxqnfbuUg9ub0vRSM DbyHu47YRf+P/gZDIsSWWrQQX7flHrx4CgtFl2yimyZYnPkScPO5rUvAC42CgtHX BNZqMvnaLNC2TdN+Qwc3JdGwUkPZ0tREAFPE746a2VCkGGji+w4vC8d94WfG1Twe F7D9/OBvNv0PKIR9z4M0K6gacE3AqNherSpfsiLmTiSYN7BfKEq5nkjE4ocxHDwN xgjJdAHSrHiA7PCsB3wsJ+XmQrLZZNBSxL+aYjOJfZYwV7LUTKJrtRxJwJbRzZIc oxmf3tU1Rh75NvfEK1tbsgR80Rix+mzP790TbCa7evUygKSIKWd107OtQ2/XzB3/ y9LZLf9tJHsoxpyLnjSKCd9JPUN6GnVBBFEs7gkeDxoUIt1yZx2GsI7LyanzA1gZ GcBGPWYBzTH3xaCxfT3Y3D3vmE7kUOOnQvcdVQ5wBexIMlZ8rltxldndvbT8wdI5 md0QhrGV3kVA+B+DUqWYit97RGWRuBsy5Bl100CNMtplxvfOpgGtiyFfaH+42wOJ ZMbXJGSg8wiT3P5QUGMF61XkR3/9rKszNhyvXLV1APwMGPKPpxTuzd1mGN27OhGQ ZwmNcfBKSwIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTUH9b8 8KFuUEbr5H9VBzyG/6FOVjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDWtyYXRlY3prYS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdgB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWe0+Do6AAAE AwBHMEUCIQDY6h6Bha6/YHApJQ+uIOH3OsbdrebIISfcD6jcTxFJOgIgX9JXb0H6 wJ4AIayrOrVMKMqjKQB882wFgY3O9n8SGnYAdwApPFGWVMg5ZbqqUPxYB9S3b79Y eily3KTDDPTlRUf0eAAAAWe0+DonAAAEAwBIMEYCIQD9Eo573H0zxJrnVCe94WH/ sj3q/5GDmlm7ycaxZQ+YdAIhAMvLYIRSzk4bIrIuGZ6Qc08dZifPmiKLoENJU2Zs SpdFMA0GCSqGSIb3DQEBCwUAA4IBAQCObi7XxodkrFxrzbatjFuwICNuLOZrdT9q 1/7s9egbdRitsD/vZyk3hhu+v90SGlWQSt9CfUCDz3lkDDXMYPOEoqkFRTg9Maa2 MwP+6YwpVSO19E4oMTVcLjRHIWq6MYeEYcWvvLyno5nNAdBI4x5i+61GmHNgL8qG izdtI/z35rij12jwdiA6JWKGS5i7SVk/jG2XDMxrvqduYYN/+rb2E6SaJdgYS0cK Sn6KV9bX9bnieniKIO21hR8SOa7zH9wFCLsSrmgPO+pq1KhQXOhk5JVc9XhG716D aeC7/aSt3JtwuL8h7XXsnMOpxy33bOBeH0nSUQAdx3iNYrHWgR94 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAy8jB+tpyMtFDe34kOayz 1k6YCQvowN/lk479AUh/6D5bHH0GGDHv0e/at6Q8iQIdJCrlb0ilTqs/IadvT8ap 327lIPbm9L0UjA28h7uO2EX/j/4GQyLEllq0EF+35R68eAoLRZdsopsmWJz5EnDz ua1LwAuNgoLR1wTWajL52izQtk3TfkMHNyXRsFJD2dLURABTxO+OmtlQpBho4vsO LwvHfeFnxtU8Hhew/fzgbzb9DyiEfc+DNCuoGnBNwKjYXq0qX7Ii5k4kmDewXyhK uZ5IxOKHMRw8DcYIyXQB0qx4gOzwrAd8LCfl5kKy2WTQUsS/mmIziX2WMFey1Eyi a7UcScCW0c2SHKMZn97VNUYe+Tb3xCtbW7IEfNEYsfpsz+/dE2wmu3r1MoCkiCln ddOzrUNv18wd/8vS2S3/bSR7KMaci540ignfST1Dehp1QQRRLO4JHg8aFCLdcmcd hrCOy8mp8wNYGRnARj1mAc0x98WgsX092Nw975hO5FDjp0L3HVUOcAXsSDJWfK5b cZXZ3b20/MHSOZndEIaxld5FQPgfg1KlmIrfe0RlkbgbMuQZddNAjTLaZcb3zqYB rYshX2h/uNsDiWTG1yRkoPMIk9z+UFBjBetV5Ed//ayrMzYcr1y1dQD8DBjyj6cU 7s3dZhjduzoRkGcJjXHwSksCAwEAAQ== -----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 356481102827940306102437236985823872055588 . . . . . . . . [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 2018-12-16 02:03:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-16 02:03:45 +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 831367043067813729233199396036347721690219518555781255473745304825566748468082092955091679264345124972780068274996483598273526333307319481795958671352446678287371439313315429222196147629703730766864948441181263673417014808573724211791313611063786415448086835492926856906230291081769606791075080494420054838764212124051560020172368992487742843340471108606525035384821320055714864076435799214542464722459012075468867180366267434179972277875867833044535052398105413248099824131149407562777953754415067948680543700808605129145972788136697323844939421103756962122268217664116302495193701590601458079376556906788485424069761644831455394813650514000925077100659981563834230978480019501716891111632610650898792280673635694268700883292985797712534677854495909797878353734903233096205295782013569852581850210227162262262646468343238291412996631480218086355697919209926538184522238612401717921385000739934171079636179349097946344359158137814598173154681875636168805866424307946500191844096885787568607743573483659069277497482207530103001940257348834008722620251359553710094450384233727437532774931840478283931582474852972868866873139381351364378449212413814176098363233674767196122045127242920794439489815686568288016470804774478926125584108107 . . . . . . . . . . . . . . . . . . . . [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) d41fd6fcf0a16e5046ebe47f55073c86ffa14e56 . . . . . . . . . . . . . . . . [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) 00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167b4f83a3a0000040300473045022100d8ea1e8185aebf607029250fae20e1f73ac6ddade6c82127dc0fa8dc4f11493a02205fd2576f41fac09e0021acab3ab54c28caa329007cf36c05818dcef67f121a76007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167b4f83a270000040300483046022100fd128e7bdc7d33c49ae75427bde161ffb23deaff91839a59bbc9c6b1650f9874022100cbcb608452ce4e1b22b22e199e90734f1d6627cf9a228ba0434953666c4a9745 . . . . [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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