crossracingcup.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:15:71:cf:0e:fd:b8:13:7b:8f:bb:d1:54:cc:52:ad:5a:73 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=crossracingcup.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:15:71:cf:0e:fd:b8:13:7b:8f:bb:d1:54:cc:52:ad:5a:73
Serial Number (int): 268634065373649288237692260278343352277619
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c8:94:03:ee:4d:ea:af:26:f6:d9:61:4e:9f:a3:4f:2e:21:71:a3:75
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 52:1e:d9:5c:1c:e5:ed:42:1e:6c:33:5a:19:de:ff:79:ef:14:4e:3e
Fingerprint (sha256): 79:71:60:9c:e9:d9:9c:f1:84:21:73:18:2c:aa:84:76:22:35:4e:ee:02:08:53:91:76:10:02:e5:8d:a7:1f:5f

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 crossracingcup.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for crossracingcup.cz

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

crossracingcup.cz
www.crossracingcup.cz

Other certificates including the domain name crossracingcup.cz

(limited to 100 certificates)
rezervace.crossracingcup.cz
crossracingcup.cz
crossracingcup.cz
crossracingcup.cz
rezervace.crossracingcup.cz
crossracingcup.cz
crossracingcup.cz
www.crossracingcup.cz
rezervace.crossracingcup.cz
crossracingcup.cz
crossracingcup.cz
rezervace.crossracingcup.cz
1603521452.rsc.cdn77.org
crossracingcup.cz
crossracingcup.cz
crossracingcup.cz
www.crossracingcup.cz
crossracingcup.cz
rezervace.crossracingcup.cz
crossracingcup.cz
rezervace.crossracingcup.cz
crossracingcup.cz
crossracingcup.cz
crossracingcup.cz
crossracingcup.cz

Certificate

The complete raw certificate details for crossracingcup.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1o08qWzDMOHYo4Hf3Fx7
9dLvh4BvOdu+gt790LJhGmFaUNsZ7mly2Ew66djkGkMJxaHkARLbVdMVGava+ftQ
jyRgnZ9oz8imimlYpvJfoOkkN5GMd0KVtPtM7n2YaiWttL42HFKLB5mxMqz6hQ4n
ZWASaUsrOKjTb/9bmwFmFgxUjTQj3AMrhldShgMygM01WeVyLNVX38dqh2d5L3kT
Zri19q8/17E+z4SsNFRjnNIiezW4Pll8KhgU6E9BGpCcfNE8hi6xJOHWtFf+w7l0
pZ5v9VgEZp5EY2VQ0rCLKPjyO4y6LCkuap+8k0VsHrquFILe6FhMAtNxQ3brNNMF
nwIDAQAB
-----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 268634065373649288237692260278343352277619
 . . . . . . . . [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 2019-09-15 00:05:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-14 00:05:58 +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 'crossracingcup.cz'
 . . . . . . . . [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 27084643803582215285877452300295177291717206536229333575660317475316498600520415142666676289692607777503454450993782663705262151946931842738277140715904836457830523832695066617531655316549486649663085594299222922133611978933824001036372082146199924798726225994953639097589171383105319537429886991137765700512601994349194637896249590789313088425164224163860325097820408802417897028932484886971774397123927697691258107135955757157052742897623062519981306606487248611753684617170682365730797818664657713336293436796264437398561037188509107261308462798769559722019969702790163024023108906978409097689436415696212774290847
 . . . . . . . . . . . . . . . . . . . . [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)
							c89403ee4deaaf26f6d9614e9fa34f2e2171a375
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crossracingcup.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.crossracingcup.cz'
 . . . . . . . . . . . . . . . . [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)
							00f1007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d32747f1e0000040300483046022100e82709c6b625fe4dd39929cf08d18c597c7cdc27b050cafc25353d4bd14da0aa022100c90a4ca440d932100ea716ac196224779fa446d7ae13520fea8374b28b277936007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d327480f30000040300473045022030bbe305cac6876823dc1517d8db122120057165071fe96d7d5908ede9b81cb2022100f4ab53e88c353b12e77ad3270fd905ed00f25236a2a2f01f01b8ae7b4810b61a
 . . . . [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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