klufsport.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:65:af:23:2e:dc:3c:55:dc:63:8e:cc:0f:c6:3d:b2:f3:c7 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): 03:65:af:23:2e:dc:3c:55:dc:63:8e:cc:0f:c6:3d:b2:f3:c7
Serial Number (int): 295938174434387644167553783892095664321479
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1e:7c:3c:e9:b0:32:88:72:81:2d:77:69:45:78:2b:c3:f1:cb:61:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 36:3c:9f:a7:4b:7d:d4:84:f6:eb:76:5f:57:ff:86:89:9b:07:3b:53
Fingerprint (sha256): 9c:4e:16:bf:97:ca:f3:5b:15:1f:e2:08:a8:15:e0:d9:28:4d:ee:75:fc:2a:10:20:53:e7:f6:14:c4:bf:f4:60

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuUDHuh9yN51P7UEt9eii
opZcdamyLaEOl9lCYWqWe/CGqnCR00ZwWE6jBgwHmw970BvMNkuc1GgH+azM3iTF
O5a5SSt/+Amjt36hE0lEgbBcNjtBbUykmwzx6Lz3A99kjAdPHTlRZDQEQI8yvChX
U/+jFnCjfJxZUWK3WRgWkCl94WOPpVURxhXNphd6Rn+NINan9Jdv87cnlob7o+7V
n7mtReGX6HTtzvo+Q7DkpiKYNNCbpRfOBHrpt9tXnIHIaFcW2kVae2icutpRBdt7
+X25vjnxGEeZN55dQ7Gv/mMLSIvc3uCGhxzTJHjYAOwmNc/CNj3+vWLyMwL6tFtv
mwIDAQAB
-----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 295938174434387644167553783892095664321479
 . . . . . . . . [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 2019-05-21 21:14:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-19 21:14:23 +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 23386030717912794135880140355772514111563854865505627017518733792216476936940224877882672944819042238468962412476549494418489644100286165158339532805325173092059124606229607473681774734034035588211233664695633567037542102970020460355181396422113275818829521760725648124389530582286526470351204252052718119981980089125982700862029624138919678818230075358297848130748707518436055181366112211625136682282767513627874161417337942306897468064842859585344360255910204965523915318392453410309088921425031378575956975128626148842875267937457113574650584386623019473293638534690143081663815797918517273504045118995587651039131
 . . . . . . . . . . . . . . . . . . . . [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)
							1e7c3ce9b0328872812d776945782bc3f1cb6156
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016adc75b6e9000004030047304502202242b97dbd18a504cf783b6e276c1f0d352a2d13dcbfd7b112dae507ab6e8d49022100fb548bb243723ace295ace56cc015171ba9b876aee9e46c635035f0797a48e81007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016adc75b6dc0000040300463044022001015e22aba7a9e20ff9f5c605bb23aa76c362f9c86d2d597826c31afde5243d022018bdec7a6c84edaa39c44283b00e5d761ddc7c911b996472df1cd14e4bbfe7ff
 . . . . [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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