u8.slavia.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5c:43:a7:4d:ef:70:65:aa:d9:09:3a:16:3e:fd:a2:b8:6b 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=u8.slavia.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5c:43:a7:4d:ef:70:65:aa:d9:09:3a:16:3e:fd:a2:b8:6b
Serial Number (int): 292732762522015898809702163531475047331947
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b3:4a:a4:19:5f:f4:f0:e6:11:dc:1f:3d:bd:6b:77:82:4b:37:b5:07
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d2:85:d4:d7:98:13:72:9f:49:b1:a4:e8:93:4d:f7:0a:e3:59:74:88
Fingerprint (sha256): 02:1a:cd:d5:42:9e:bf:dc:d1:c7:a1:a6:cf:04:b1:7c:58:d7:2e:24:9b:df:c3:79:dd:86:cc:d9:30:f0:7b:d3

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 u8.slavia.cz

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for u8.slavia.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

u8-slavia.esports.cz
u8.slavia.cz
www.u8-slavia.esports.cz

Other certificates including the domain name slavia.cz

(limited to 100 certificates)

Certificate

The complete raw certificate details for u8.slavia.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2tEKz1gNNAos77mseRmJ
fQdxCn6oPHikTHkuVyZhrifnXLlZQjZAvuh4fgJo6YNFi7+EePSDCfozTW+eVbke
lh/wlgipnUaBZnxoPh1f8XNiEuIWip6OEU7MkL4u3Ku80S65GBiQlXuz8w1GykpZ
40QZXyWnvTqxSVcNpzRSx/RlvN9ZMRqHRm/K1CsmpEns58fOvjsNeoZtLofEuHwT
VEo20/udXPjyesMfpBlfuV8QFSbNb4nrvaIO3DrAgh6iouurO687MNuoCdI1fmL6
a/8KNl3WF3unb7nYtZLEs35JzXIhSlzHwhC/+3U5qPFGpwkS1cwWx70xmBrRZqaN
qQIDAQAB
-----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 292732762522015898809702163531475047331947
 . . . . . . . . [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 2019-01-08 01:15:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-08 01:15:08 +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 'u8.slavia.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 27623033046337761719114147149504378353375938965817206691375794194815317712392785355129790024639657001557925997755506208435169130662107541633436396634023695705414944532809323867621758028727919643844201112786953790901105814280192235236915645211826744993028102996670621358771188471290364677692855589877092414557337456350959264490706597838861765922979923951565123334408910462504610489084392783051622744631883875516412434462538804120208371456960185669847219252362281091566277290785528154385028273643330677719274679759829091240827636306485206868569521269238725466478885720280365900828168843061860082174606194707109570317737
 . . . . . . . . . . . . . . . . . . . . [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)
							b34aa4195ff4f0e611dc1f3dbd6b77824b37b507
 . . . . . . . . . . . . . . . . [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 (64 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'u8-slavia.esports.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'u8.slavia.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.u8-slavia.esports.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)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001682b3dfc6b0000040300473045022042a01e2529361d9d313c02f22e1caf71cd12e481fe38092a7e9fcd9b4f783798022100e2c89376a3b0e956a33522f357a091948a9517e83d2219e1fc97fa970b52f00d007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001682b3dfa780000040300483046022100b7a70366976810a6852c0958c90e54989cebe5e4d3dd03ea121f90311a621027022100bd5800a772259d7bd2eef40a6aa4b134edbc7feac87d1a09f58057f6ebe0bd81
 . . . . [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)
		0078b4d96f015a072fcf1566c21af59faba1fc545ee38f38d8753a8e7e8633c88577ae69582ffbe8c86d79f53f2d106300d310747504f9e279eb61d6c5e0175c45bd5511a4b768b3c0e3c3ec4afaa32e54dcd75d69fc370a10536a22ceadcd940a1bb0eee2b25a2ad26cb51c1ac2b3fd903206ef7ecae86a3f6d6e5592077f2ac35ba31946402bb557fbb7063d0ddb81efd6d7d95ed6afe19d7301a5c0839d05f1cda026355548e457dd9f6b20c55cb1a37a809c10559ebe3a90c1b64efce1674c9f17290ac313cd7148e537c186f9802ccd4ae01ec9ee3bd91ef5ac12a759330935a2d6785d339ccf3323bf31e8543023c6e2e92bfbbbf5aaef751608644753ec