kostenickj.com

Issued by R3

About this certificate

This digital certificate with serial number 03:d6:53:bb:c9:c6:20:76:d4:d0:81:18:ad:34:6f:31:a5:0b was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=kostenickj.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:d6:53:bb:c9:c6:20:76:d4:d0:81:18:ad:34:6f:31:a5:0b
Serial Number (int): 334268585291985818841610426823341656614155
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 10:5e:ab:65:8e:8c:f1:02:75:86:8e:ac:39:ca:41:66:f6:65:57:f4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e3:a9:fa:ce:08:e2:70:c9:c5:a2:69:03:69:e7:d3:72:c9:23:f6:c7
Fingerprint (sha256): 6b:91:08:09:4b:c3:d0:48:1b:e4:d3:61:f9:4f:4f:55:d2:15:82:22:f4:3f:21:08:cd:57:a2:5f:3e:a8:ad:f9

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate kostenickj.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kostenickj.com

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

kostenickj.com

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api.knowing.app
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catvu.io
m.dombellas.com
www.thewaterdrinking.club
www.kostenickj.com
apur.am

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2anEToYWSiOfQArsPpGq
RIfm8gdAkFE0ZsLGNZPa5tfUbnJLBMylELFkoOzAOy4fs4NtBNBXSNW1EmWb5jyk
LCKod5MgSP7ALCCwqQrN0R5u8kvXdNbrOoFEUKxrOoSd19poygaDslKOJxC6ZYcs
PfwYs7C2D4a0ysH5n5M1BbU3H1w4bTLFUSlOwvlYQjTgtEXTXVZCHEOxhsIex8w3
T4Lt+eFh9ChZl6TQky0zcT4LAUjMu0pCh/WyN6SmxY7yUBrJlYmoMw4JhvC1VRMy
bHQVSllgyJ5I+BTzoKx2RNXxhtQOQKmRX610mh4JV2qISzY+Cb2aRpSnUIkYGJ72
6QIDAQAB
-----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 334268585291985818841610426823341656614155
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 00:05:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-15 00:05:12 +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 'kostenickj.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27477427318249693248019932630207788925980084046348958676045613489128703907011086123811734636109860581452650016373911101365753489783644322093955264066851848842042364181625586593143853159954144983601827169364689639467874534347556565564506829747010960571956180487433996099921369325247814529054373595198307938298502207778714356525948063329600325956016456647273499873667431587060406697391029960424849057287125979247931845667540507303275051461049621201046020943231991316336356022981339457528687383729030285959521151912107695292134954274085349769019602928740884422390625225894891867363688523347922213773488068546451895940841
 . . . . . . . . . . . . . . . . . . . . [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)
							105eab658e8cf10275868eac39ca4166f66557f4
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kostenickj.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ee46fc3d20000040300483046022100a76a6da691c8abacf7f975ccf79165cef6d1441e696f3ba0979501dbdcee6bff022100f66743b7754aef4bb964b794c54f0358e3d0f07699adbe8a53a3aff223fd5ae80076001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018ee46fc3e10000040300473045022100ee2831e7f8a67e1b4c27e952f1fd2dd65c3ac3bf2f1be04cbba8cb398400461a022064b0c66458b219365e58f78235a42522b433384198c132ff8da7a6ee9c9a0330
 . . . . [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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