mazurki.com

Issued by R3

About this certificate

This digital certificate with serial number 03:1e:08:39:f7:7a:3d:e0:46:95:87:cd:db:88:a5:b1:25:a9 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): 03:1e:08:39:f7:7a:3d:e0:46:95:87:cd:db:88:a5:b1:25:a9
Serial Number (int): 271556263607236267302940537439637992449449
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:1e:e2:3d:cf:b8:58:44:30:13:dd:cc:34:46:f4:86:2c:7c:2a:1c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f2:ef:0c:35:be:09:9b:22:42:f1:28:c9:8d:7b:de:4c:d6:61:7f:ca
Fingerprint (sha256): eb:a7:6c:60:0f:d6:ac:28:f9:0c:ff:05:b0:b4:68:df:91:27:f4:65:1e:c0:7d:d8:fc:f4:84:18:59:1c:e4:13

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 271556263607236267302940537439637992449449
 . . . . . . . . [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 2024-03-21 13:15:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-19 13:15:42 +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 672244631088829883965668503775380821816590746251985931656407513497104180439450937791222542702098122298982172562088408390785877846809642191432761939608103594229595363930209349014771843317828170838861248524944717486431666956122709875632340026617783384699053653713861790622312448207757700375648165155974091971676611993415804284710584749513683172837630710783859016366462588211526676594191689093389348099150661304472454460241791458490032390041442513617552430904862229673583618283582876248649108063189898504080825560807530201651285692597584196328726595095591153328110471740254453624055953701508987446388555119251073118128464729948396547968084481336152903488821874197163752647342132354942243652223496665533945516176867853320595476908811107230020714895727208428192048483328302674589974387654289314913832945848289910674593433804378582567174004402924252474413379112395085148427065461786091258523592571325593564485307857216481707324021942792676372986467820095369946628292765619687168273364961906125702730340487370510497884064931064294576448142778857352709965063205567537650542837434968852170355546423258769829153561393188010454026398355143166155458924769084705097164044533340496116715446503994974366475980811083873935127962818598430894229871629
 . . . . . . . . . . . . . . . . . . . . [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)
							491ee23dcfb858443013ddcc3446f4862c7c2a1c
 . . . . . . . . . . . . . . . . [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)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e615e255b0000040300483046022100b98c3678adc182aff4c52e2b509257c5bb0ff122647184bb229975db2a32acb2022100c843f953df823f177346702a5b682ba5949009d43f9b8a98821074446bff8813007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e615e2581000004030047304502210089a92a75f27f2e454952a59e847e2064d55689af004907d96aed8556fa6df4c302203039728cbea253048b2b5ea3223cb659e2fce8293d99ff91be0a0c9b015538c2
 . . . . [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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