klufsport.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4b:25:3f:30:14:6a:f7:97:5f:f0:8f:ac:44:68:1c:19:cf was issued on by Let's Encrypt.

With 3 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=klufsport.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4b:25:3f:30:14:6a:f7:97:5f:f0:8f:ac:44:68:1c:19:cf
Serial Number (int): 286907544840070583237193920702729047251407
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7c:f6:5c:73:c0:55:24:00:0a:10:18:95:fb:27:bb:19:7b:76:ee:9a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4c:4b:14:a8:4b:e7:65:f9:7a:36:0d:02:ae:78:65:c2:f5:05:0c:6f
Fingerprint (sha256): 00:04:28:f7:68:fe:cb:5b:ff:8b:52:37:14:25:9d:f0:d5:f8:cf:05:1f:69:d5:2a:98:f5:b4:02:1a:b2:fa:6c

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate klufsport.pl

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for klufsport.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

klufsport.pl
webmail.klufsport.pl
www.klufsport.pl

Other certificates including the domain name klufsport.pl

(limited to 100 certificates)
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl
klufsport.pl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0lAVG1dmIccSZT9HqhN6
JS0od8J2vJAqkpVg5ErNFnlpIuUPFI9YNDUFvxKd3pT4WRoUink8jWadlyctT9dl
uLefVC0J80dVn+MMjMpMwUOSxxlglvaSlnl2l/n8nP2RkxheB8FxroTCJVVYJ3iZ
3U95o0fX6TgETX+YlxqAXVgjhMxXMIZCXYWkYdNeA9vnF0kKLNVQ/zdqLMaJeL0V
YVXZ++Tj6E95FNDcevnuUYqc/2/S9RuLv1jI8x8LsJdzYw04B1Sd+i0Lq2FSXxTo
J42vMz3kxtSz6z4j3NsYQsNSgrFAIA4g8Wo0BEB1NiTWNIOvz9jQ4UGgCRdLxyi8
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 286907544840070583237193920702729047251407
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-16 20:40:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-15 20:40:45 +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 'klufsport.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 26549534170018567302473168104855192040741723553616192835798075811799807464645089701498121230506550465459962603908104427910644727321395954471674535402951223769571462119852175220401748973098438001095635690781768618856693746311808755846513005473678755361700046095290025463790133135914765734157831821292451791541674074784249375851200463022076447635751891779311945344921311300080325783563487991998901533178267225963252431598520946237731216989291432460700218714539782291493733486372061145364682248380295619115185805140990135689205934375291759391507264956039491203713535430612639627434522174761792941530207408333010770639983
 . . . . . . . . . . . . . . . . . . . . [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)
							7cf65c73c05524000a101895fb27bb197b76ee9a
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klufsport.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.klufsport.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klufsport.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fb04d2f9d0000040300483046022100d2c499e703dab2f9bd45f45b1136be4ad132816797d420f5e999a6510a892f1a022100fb0b976ee9215f7114f6bc9aa1068b0e052fef47761db73810be2acac5b1152e00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fb04d2f9d000004030047304502206d68dc203414f9125e0a2065b662a0cb22992416b1806486c7d84f31a1b5e048022100e161e2c14fefc0fa67a8fe4b96c0ae0be71d87845af58e14a5c8bbb92fec8bdb
 . . . . [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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