mazurki.com

Issued by R3

About this certificate

This digital certificate with serial number 03:1f:89:46:6c:72:11:ce:89:f8:ee:c7:c9:ab:a4:b2:1e:51 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:
  • 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=mazurki.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1f:89:46:6c:72:11:ce:89:f8:ee:c7:c9:ab:a4:b2:1e:51
Serial Number (int): 272068081065570221876206680417791508618833
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e7:1a:5e:b5:96:98:9a:09:66:de:85:02:b0:30:17:5d:30:25:97:cf
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a2:42:58:1e:3a:85:09:be:84:cd:18:cb:12:5e:26:8a:7b:e8:33:c4
Fingerprint (sha256): 5f:dc:ea:d0:98:87:2e:64:d9:a4:54:3c:57:a6:0d:7a:d0:82:75:fe:a2:e3:6a:ba:8e:3d:1e:35:20:ae:5c:3e

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

Revocation information

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

Check the revocation status for certificate mazurki.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mazurki.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

mazurki.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 272068081065570221876206680417791508618833
 . . . . . . . . [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 2023-11-23 10:54:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-21 10:54:46 +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 'mazurki.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 740875133806660348358271850047180829760795086887948070599320947494738665761783006815206785809208954663393159810822479694426016977992100332214668262751788968546276208708348443253502653520778391651651399558485496851927686402887174430555490062389694245771508490162378259040034430047257031355468832349754114043817408229431643661781942897205483746484414964218095702270781325527088996446665950083481553769978679940929974897141170329109539770116356291254852219419833715120216644073558448138122556523472029171193154900398864263958584471048012217166902525520955123861306842948973896022894368969945579699531149673493585527894289320085462096427550969053288431632860223598332384365896883706952207293451771483821836991436767107608103784117995943288647461194659348791236057243087735821796499618657574471624427647224947568212555118411730453240213300600018538173855095336577077105158939625477884212856215748377937494269915654446616639678250356634704938940228320659863601738327524041470410926197423714377277379819985628841876927436261011452694357249621796422188525835248886208330111667845704190115809782975136729283352133295838506507871259733010542105214467395439383982859697355497459803563184262201977957540192088238782180574179760028484360883927493
 . . . . . . . . . . . . . . . . . . . . [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)
							e71a5eb596989a0966de8502b030175d302597cf
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mazurki.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)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bfc0859990000040300473045022100e9f013c3fc374d15f4de6a2bb4c2b74cf07ff15b10e4f73d9a2df6d851d787e402205ddc28c954b3d68ce07dc07f2c8d40736dc573a2f0875259118e517d020bfaad0077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bfc0859a10000040300483046022100deac8ae75da29a77fe541a7ae90356a0765d37f2640b8711a29f220e76009f96022100dba35dca9b3b8a9d395cfd09306792d802648527d4c49cd37762016b8fa12b6f
 . . . . [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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