www.krateczka.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:c2:fe:9d:ec:8d:e5:85:8c:68:36:69:72:e4:ef:8c:79:af 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.krateczka.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:c2:fe:9d:ec:8d:e5:85:8c:68:36:69:72:e4:ef:8c:79:afSerial Number (int): 327690080877369831345163896825949448862127
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: cc:0d:17:7d:4e:15:fd:6e:b7:07:65:3b:84:2f:8a:c5:28:33:34:a3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 57:b3:15:18:e4:dc:73:c4:f3:d2:f7:95:a3:f0:5e:30:6e:44:53:86
Fingerprint (sha256): 8e:52:0a:04:73:3d:75:2d:c3:7b:80:7d:13:03:d9:ec:95:2b:7f:e9:fc:3e:2b:32:df:c5:df:fd:3e:be:0a:b9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.krateczka.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.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
www.krateczka.com
Other certificates including the domain name krateczka.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.krateczka.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWjCCBUKgAwIBAgISA8L+neyN5YWMaDZpcuTvjHmvMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MjcxOTAwMTNaFw0x OTEwMjUxOTAwMTNaMBwxGjAYBgNVBAMTEXd3dy5rcmF0ZWN6a2EuY29tMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzONjC928WZ9lVe+QQlAcTZRpMO4s ItZybElYHs7RJ2UX5yotkM3iqj0+l/upjmmlxWKhS9nC4d1uRfz+IHwNfPjVPGfB DWWa0d5/tnBaYku2nzq8AD8PQAd5b3bAdXFtxnbmOEl63SdHp/ZK1TF40VNIJlhr tHLS46GrMWdNjPC2NuSVIyZ4S5DFGkwX62gIWMs407G5nrbOEM7VRaj8Yt1Ypxda 8VKT+50i3RVcOyXThuNnucSIze2Np0HRJV2oPNwWVqG+7JqSOeY/1yMLwWwPWUd+ yh0VqSmVI5JU8Dps3v5swxe+VspZgX3DpRXCpn2sJWEshroyvdHnHdeNYE/jndHC CLx3VdmVPo5OhHLx54qVJ3Ll3YyxG/6kQzx4oZPyudXHebrpkHqNZPIy9IZ0AFBC Ct34X2LUX8bHGaM2m6tTil6FRKvRgcgSQRj22odvex/0NKw2T+pKlpq1IFnKR0Qy c5rhh6r46M66bCQaGqh7xHwjzAZqjjNZodfdbLRr2Oq88x3NcOb3LrHg4gZoUIrs BLBhDB1DVJsKPlCZ2dpeAYgdRTR/WntkXFZOhtK055IN3fd7itFwCjng9GzaDcHY XJhUlPcdIIXidnyQYI103lOqfhyhIwyZezuVkFxrT+1fSsF0ED4J5xbLPxiAE4JE UmAf8VYDm2gLE58CAwEAAaOCAmYwggJiMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU zA0XfU4V/W63B2U7hC+KxSgzNKMwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghF3d3cua3JhdGVjemth LmNvbTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkC BAIEgfUEgfIA8AB2AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAAB bDUE9egAAAQDAEcwRQIgZYyV0d8sEP07yrgQDs996aO+9ncrdRBzDFvrpKwU8MIC IQCRvza83YQ1tlwts6AOIfv89lhpxNKNteAvK6BE4m+Y3wB2ACk8UZZUyDlluqpQ /FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABbDUE9dcAAAQDAEcwRQIgBW9FoetEpVD0 2Ob5F4XCLaQr+cRKJKWiLwDAOWsWXvcCIQDIBv3RdQCaUgBJ9GDq51kAXFYl5Aml HBLb6z17IqXbBDANBgkqhkiG9w0BAQsFAAOCAQEAi7deoIP2MLnDsjQKAN5Hxv/1 3AClPU7c9ELov40RlKjYqUAa1w0Cf9LmqkSBHf5mInCdQB8mI2vNRyqMVBT/235Y KocD4bEM5o1v8F0xDMEI66X5gI7hqNyCuk616MaJxlDMEnIubJTkj8we+KdjKLL6 /EDIMhpMPpwr77Q82AGoyPTEkefwMj3LnmKr539ymipJYQh2hEOi23DXiN/ER56o LnKmViW744pZBpIM+hvoAfXNkfCkX10gG8TGidueRp4PDY/Sbr4RhITv4KN9hLmu ZM75iDcxqMqnP2+Ms+nQBhHVAxMoUZHA0knEwXYkUmTDzxj0tC8O/GRCw9HnSg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzONjC928WZ9lVe+QQlAc TZRpMO4sItZybElYHs7RJ2UX5yotkM3iqj0+l/upjmmlxWKhS9nC4d1uRfz+IHwN fPjVPGfBDWWa0d5/tnBaYku2nzq8AD8PQAd5b3bAdXFtxnbmOEl63SdHp/ZK1TF4 0VNIJlhrtHLS46GrMWdNjPC2NuSVIyZ4S5DFGkwX62gIWMs407G5nrbOEM7VRaj8 Yt1Ypxda8VKT+50i3RVcOyXThuNnucSIze2Np0HRJV2oPNwWVqG+7JqSOeY/1yML wWwPWUd+yh0VqSmVI5JU8Dps3v5swxe+VspZgX3DpRXCpn2sJWEshroyvdHnHdeN YE/jndHCCLx3VdmVPo5OhHLx54qVJ3Ll3YyxG/6kQzx4oZPyudXHebrpkHqNZPIy 9IZ0AFBCCt34X2LUX8bHGaM2m6tTil6FRKvRgcgSQRj22odvex/0NKw2T+pKlpq1 IFnKR0Qyc5rhh6r46M66bCQaGqh7xHwjzAZqjjNZodfdbLRr2Oq88x3NcOb3LrHg 4gZoUIrsBLBhDB1DVJsKPlCZ2dpeAYgdRTR/WntkXFZOhtK055IN3fd7itFwCjng 9GzaDcHYXJhUlPcdIIXidnyQYI103lOqfhyhIwyZezuVkFxrT+1fSsF0ED4J5xbL PxiAE4JEUmAf8VYDm2gLE58CAwEAAQ== -----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 327690080877369831345163896825949448862127 . . . . . . . . [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 2019-07-27 19:00:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-25 19:00:13 +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.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 835871052442388108937790415127703433618746521666003839393181720169750749982361660933073894641187142873883667351667596255474527267645070229753225528577994417574724929663508394330109342631125364090940978567274757979544206244190682154824107635303233997128117128421294774995178190877687687683885565233790375388936555078434743168284087487054475830505391789079680000465604025950793598533583523126052940280621724341594535416169807251260992925860709413985218214025346385357682432754529461712869882452841956723515133934810829010515075394081017332297816514320355295426763533730153256032493798767024362671074851728574926591431506268702155164362993336904556160630891103324788977451091430057915335022849181558970356932616351493512941515925933247794640163503387540395129523685284333722462153743995824396963156951558240463811708534699489846043175973351168272431750341798832436381338174461356609871244437400173498540755587757556500143868817690105011664061221125818200283209875942919715421016750129187919705538633146967356259886177308235875958666838044548729252135339290128905028728358113380276778948668441071902718305541077348575099273813934228941877885674539811265221414596361080454241453610136064479005527764505696164591698095008376806186735571871 . . . . . . . . . . . . . . . . . . . . [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) cc0d177d4e15fd6eb707653b842f8ac5283334a3 . . . . . . . . . . . . . . . . [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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c3504f5e800000403004730450220658c95d1df2c10fd3bcab8100ecf7de9a3bef6772b7510730c5beba4ac14f0c202210091bf36bcdd8435b65c2db3a00e21fbfcf65869c4d28db5e02f2ba044e26f98df007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c3504f5d700000403004730450220056f45a1eb44a550f4d8e6f91785c22da42bf9c44a24a5a22f00c0396b165ef7022100c806fdd175009a520049f460eae759005c5625e409a51c12dbeb3d7b22a5db04 . . . . [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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