mazurki.com

Issued by R3

About this certificate

This digital certificate with serial number 03:ed:79:35:dc:db:d6:cc:e8:f4:8e:41:c8:40:bd:9b:5f:fd 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:ed:79:35:dc:db:d6:cc:e8:f4:8e:41:c8:40:bd:9b:5f:fd
Serial Number (int): 342144895014314190854237785944116650795005
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9d:d5:b1:fb:e0:36:37:ba:cc:49:c2:f4:4a:a9:b8:ad:00:8c:8d:c7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 01:9f:b2:11:59:6d:6e:d7:21:47:d2:d4:b6:90:6f:fc:f8:f4:7d:06
Fingerprint (sha256): 8a:f1:30:10:4d:65:a5:f4:df:d2:22:68:9f:ff:f2:c1:d2:b3:99:e3:5d:eb:42:25:30:c1:81:16:5c:9e:47:6e

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 342144895014314190854237785944116650795005
 . . . . . . . . [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 2024-01-22 00:21:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-21 00:21:15 +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 696282106999854635554814647754443614832795161636844952941382989810802637508596753213059059729430692815330942044877389865068489372485899137293829819296498935720499003756538109306997215527886601205748628896858697625213789739832347098738042242251177417301079857535209102201138909373797573041014303312539022427633840589771124171419899722072564654021181141378450721181109251400996417587388254075106716731681320720023556502907977874180402491841872101236359292395781877866421114795001544676978172932969191732785821640665870088855173445358420271803867891103031140472775135785322629510313739712265644881535769684328163182435629097229152889552239606294675292922690708861487185265792645851580717671999415860901015499617754001255446094303317197255859265328771170588194036534357062926368298533951730429180700286727401145909052348701822054000691493827736393001844297104729412281373683332982283289862558452649781928875517706454040683604789466735167470273789304501616552227683445480003778299621948824178868090351056444896352212318470586994792058634182506470451916452963233303559772516607167674273490981189252153962130406966604004289860880255939835666655166483920992314786389379584236997242142032849958606821037004181448691646952248705387103175647281
 . . . . . . . . . . . . . . . . . . . . [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)
							9dd5b1fbe03637bacc49c2f44aa9b8ad008c8dc7
 . . . . . . . . . . . . . . . . [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)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d2ec1eaf60000040300483046022100eb616792e45ef656fc81201d3858a002480a1f377e58af441a484f5ed7ea1f280221009e7fa1d1e424cd58547de1425f4966b3a59ca8911a807f7269b3d8b946eb1631007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d2ec1eb2c0000040300473045022068c4584e9caeceffd3bf8824f7db6950371f1325c4546092c1de2ca9955b132a022100a7143742d8c7cdcabf52a60b6636cb5aa5d7f6c1e9e04280ef90d76da12b8c90
 . . . . [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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