klufsport.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a3:38:58:87:71:89:9d:11:1b:af:d1:4a:9e:50:ca:45:ac 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:a3:38:58:87:71:89:9d:11:1b:af:d1:4a:9e:50:ca:45:ac
Serial Number (int): 316877780040401884023693225838218706568620
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ff:db:dd:97:cf:f3:49:18:d1:0c:f6:d4:c7:1c:3f:a3:23:e3:d8:1b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3a:72:6d:34:41:c3:ca:8b:68:4c:ed:0d:25:2a:2a:0b:12:5a:dc:33
Fingerprint (sha256): 31:13:9f:9d:b2:2c:26:aa:69:42:6f:ee:d7:77:7b:8c:13:e3:50:46:80:82:07:08:2f:2a:39:22:8f:67:d2:84

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs+B7MkYNOVadG2N8eHS4
RXMZfSMhsRQgdLozY0qf7XHdV2tOxyi1SCbkbDESdl2h5IqWDI5V92je0yJYsyG0
Z6U2HTM1r1Mm11MN1KcUozuLdM+E7RtkA170EGkZwfighPIxIdfaV6nX0Kk8wYHO
p3XxNBFsDA5CzI2VF4ENfO5upNLvGWbr47sJBZdiWxbpORRSaaOJVV6N+kj+OYI7
I3OpbEHTFTGQ650vxHfmgPkSvYs9JOa6E/wEjSYj1v6u/Oi+uAhx7aZExpJEzURV
wuzYPz0V3U91yt/D8bIYsSYTYgsQRAgaB29Mtq3TFGptu463kBWILRRICAOy+OlA
lQIDAQAB
-----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 316877780040401884023693225838218706568620
 . . . . . . . . [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 2019-03-22 21:18:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-20 21:18:29 +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 22707352412019280809494340529789505841933080668441356733847120334248560254165471247315711771674408039653848006566181921690132969753347014389435973828646115880115314268053794674954070383466964579870032748281349860798459900533634250421350504115595421588241932492267745248231144091847925812260016205019764810834246588906358106066753525389877633131236613016710395510815632620482192858519345877916607627928912310877641841709584670540907736213679418566348686661822010664995067625403342252478811615695666575414025455997588397678386329466924300101988055765719948087111639050553248800361852856479843113906405294087764443742357
 . . . . . . . . . . . . . . . . . . . . [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)
							ffdbdd97cff34918d10cf6d4c71c3fa323e3d81b
 . . . . . . . . . . . . . . . . [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)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169a77becbc000004030047304502210084923667a99556b301da91537748455d913635e04199ee16374a5401a513d0f302205d63c378f96d6121d66546aa1de9f34bbbb9b102385c340481c6d84a1ad241cc007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169a77beac9000004030046304402202bbae4d4da4f13de19f7ff0b25606901bffcfdff09866c036f287a2882a980250220146c62b44898127338b4ad92a2e087943d094f578dd19348b7e2432529339512
 . . . . [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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