rybowicz.pl

Issued by R3

About this certificate

This digital certificate with serial number 04:07:f1:cc:ec:13:54:36:68:51:64:3b:a5:b3:1f:12:90:bc was issued on by Let's Encrypt.

With 2 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=rybowicz.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:07:f1:cc:ec:13:54:36:68:51:64:3b:a5:b3:1f:12:90:bc
Serial Number (int): 351152528259210925725957275663538437918908
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ed:f3:ff:2c:e7:4e:bb:df:0b:c6:7d:7c:3b:7a:50:3c:53:53:ae:4e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a5:1b:55:e9:27:53:d8:43:4d:f6:f4:47:e7:6b:de:c9:cf:fb:fe:ed
Fingerprint (sha256): 08:9e:08:3a:19:b2:ae:59:31:82:4d:bb:91:a9:7b:77:46:0b:36:90:79:58:f0:93:2c:c3:1e:1e:74:bf:a4:0f

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

Revocation information

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

Check the revocation status for certificate rybowicz.pl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rybowicz.pl

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

rybowicz.pl
www.rybowicz.pl

Other certificates including the domain name rybowicz.pl

(limited to 100 certificates)
rybowicz.pl
rybowicz.pl
alioriginals.pl
rybowicz.pl
rybowicz.pl
rybowicz.pl
rybowicz.pl
rybowicz.pl

Certificate

The complete raw certificate details for rybowicz.pl 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 351152528259210925725957275663538437918908
 . . . . . . . . [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 04:37:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-21 04:37:16 +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 'rybowicz.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 811831390848677967909141475037582611713444666152262919592825105017695519975601628536904917153860344035048441056477621546875226725101608001413342076235356167796840526072887878998049724984806403703264608906973696092976335997064140962463605320843274698194738851540936206572657677833789987959593890384342485470138877153401683715102663501106675189883322378007969131290193374129287568388531443000641616913381198987116162340076578860716347351222421451013909976121416110957348919351129645500466034305345099898180865182464055360401351951338575648100835663009918553389598536948366037112726076353726050509320135706339025717206967716660353506954843343758599610150380915991122578220577822118440242216704128092969336382894100614194552253947807413727388443269413457132580383113259451824471078515296535952846763908584108923376319273377861555833189123493909122717563441755786550534712390140353734099532274107365929382197533032438695080153919331231767574287397329712068559568007602974220610030915974040284933806766629809833048096372276061220080649992680825797401594775274984622927720322696211040404723034228648204140316360975967504289501074122578521800981800752731747905315122160144612244223687287509632041498890937364379438734156930018991210641445337
 . . . . . . . . . . . . . . . . . . . . [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)
							edf3ff2ce74ebbdf0bc67d7c3b7a503c5353ae4e
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rybowicz.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rybowicz.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bfaaebe250000040300473045022100be1caa2cd8b7b027ff8c732f8a540d18a81c6a2c77a5fe1a7155befe353ea0e902200e9d84780925c5633a447bea444e82dccf5ce92cea983ef2be141d1c37145b03007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bfaaebe2c0000040300483046022100f4299f2cb235477ca2b8881d29f1c4f3b6e814b893f5ac28d50b4b18332fa563022100a84237aa7ca1c0893db9bff68731936aa5b35715a5d9a5e86a0fc13c1bb78652
 . . . . [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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