*.mdkchodziez.pl

Issued by R3

About this certificate

This digital certificate with serial number 03:e4:f2:d4:98:4e:a9:51:68:41:8c:3d:bb:52:98:ad:9b:3c was issued on by Let's Encrypt.

With 6 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • 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=*.mdkchodziez.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e4:f2:d4:98:4e:a9:51:68:41:8c:3d:bb:52:98:ad:9b:3c
Serial Number (int): 339244014484327126447374055672043575024444
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 94:c3:86:63:a9:8b:07:d1:8f:aa:00:9b:2e:ff:f7:8e:35:32:0f:1f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 60:61:95:ff:68:f2:a3:c8:3f:3f:ec:3b:db:7b:d9:79:de:2f:19:e0
Fingerprint (sha256): 79:15:f8:95:44:38:be:15:ad:60:11:53:c6:f7:24:7a:f6:1d:2b:a8:18:41:5b:6c:9d:bb:a4:e2:bf:44:f7:13

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

Revocation information

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

Check the revocation status for certificate *.mdkchodziez.pl

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.mdkchodziez.pl

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

*.mdkchodziez.pl
mdkchodziez.mdkchodziez.xaa.pl
mdkchodziez.pl
www.mdkchodziez.mdkchodziez.pl
www.mdkchodziez.mdkchodziez.xaa.pl
www.poczta.mdkchodziez.pl

Other certificates including the domain name mdkchodziez.pl

(limited to 100 certificates)
*.mdkchodziez.pl
*.mdkchodziez.pl
www.poczta.mdkchodziez.pl

Certificate

The complete raw certificate details for *.mdkchodziez.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxCC2xR7IPJoqIShs57Uv
k4/u2llIKWUoJXlXPlnF+vXRFRtiYXs+imPfx0PxI9+Le9wyiJckUMfxiLI/32td
+LTXm8aKM3+t51lSO63cw+72DvA+xFBDZPV7gi+++SdyD9kO1mlcmvgelhDMtvuv
Zww9rkYAZl7C4kh31/R3Yu3VqU8fawANW0MdMxTpyWh43QZkw3RWqk1HsDnbEV7X
uxUdVyP7GMghrUttuBpu/3LnsFVntmPZlIGTqTXqurFYPzNIFGx8WmeR/qbyQ3dG
7Om3dJ3mQ7//+lmo6BxRaiOkwuf7eL+w017rH40KhoxCplPAqChIr4loXAxD4jds
bwIDAQAB
-----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 339244014484327126447374055672043575024444
 . . . . . . . . [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 2023-12-10 02:00:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-09 02:00:50 +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:12|false] UTF8String '*.mdkchodziez.pl'
 . . . . . . . . [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 24758839621025107799410228250868153914732638993218352571222763679067020852015957366254446547434624158505807023850635563121068685376419281604477443146450220502328850745484228200070381187322998127195545420142416071186264431053746921264700951494048678556125367060262515565675520826612030247806482330008539036786778795492925932216783835037976230941443594248386687269252371990000878427040162984618462760028988654799034157632876041441627123725724602056964708014256868465109695692600456795305900585779434292839356396247837421623863945705200932039508876526404548509340717671590743990754316756166600974395795067827793203522671
 . . . . . . . . . . . . . . . . . . . . [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)
							94c38663a98b07d18faa009b2efff78e35320f1f
 . . . . . . . . . . . . . . . . [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 (164 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.mdkchodziez.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mdkchodziez.mdkchodziez.xaa.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mdkchodziez.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mdkchodziez.mdkchodziez.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mdkchodziez.mdkchodziez.xaa.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.poczta.mdkchodziez.pl'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c51ab9f230000040300473045022100a681edfacce38bdd7ebab207c684aaec828225f4fe2835bc12010e8d43b4c646022043ef91e4d4d0246c0046b9028b2ab170f84fb9fcb0686f4fc4f875901ca62fa7007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c51ab9f830000040300473045022100eff941e955926fd5142e01ea3eaee4361240027bd93348e8e89ce206a5a471fc02207aad104ecb5cc562030d414a363a118589fcbca85b8c1c75d99a84ba347252a0
 . . . . [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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