old.stk.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:8d:f2:35:4c:1c:b4:1d:d8:6e:fa:f8:29:a3:f9:94:8c:32 was issued on by Let's Encrypt.

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=old.stk.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8d:f2:35:4c:1c:b4:1d:d8:6e:fa:f8:29:a3:f9:94:8c:32
Serial Number (int): 396750907373344023732559802090169480547378
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 33:2d:15:91:8e:7a:5d:34:2c:ac:ad:9d:8a:b2:35:fb:1b:67:b4:61
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): de:55:3e:48:ca:e5:0d:24:34:bc:ee:84:ed:70:67:e2:ca:bf:a2:1f
Fingerprint (sha256): c5:3b:1f:c8:2c:62:ec:2b:0f:68:09:48:44:8d:19:e8:0b:b1:c1:15:20:6c:56:94:3d:22:7e:17:d2:de:37:15

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 old.stk.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for old.stk.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

old.stk.cz

Other certificates including the domain name stk.cz

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old.stk.cz
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old.stk.cz
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old.stk.cz
old.stk.cz
old.stk.cz
old.stk.cz

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFTTCCBDWgAwIBAgISBI3yNUwctB3Ybvr4KaP5lIwyMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDA0MDMyMTA4MzlaFw0y
MDA3MDIyMTA4MzlaMBUxEzARBgNVBAMTCm9sZC5zdGsuY3owggEiMA0GCSqGSIb3
DQEBAQUAA4IBDwAwggEKAoIBAQCh1ib+dq9olS6boF1bFCQc94j1s2q7dn50vdtm
Mu0hVnu0YPHYCpbDPzQtWfiffUAeG8YFxHs2vLmbLVp3yq2pZjHH1LRA1kaVgNhx
45akE+G/H2suQltVX0Ni+SUOcBETwN9QuYsofDETWwETPq9odVNCeE7N8rAlEo3K
l8irIfoRmflDBXJKWeH7OINkz510KeUd3hNunkP7HHglL8xjUH1VYdr0olz+XYR2
yZDdxSCrDtwGK7UdwBQjHPwAwdth9cWXj0t4eHDCDOL5okAl1u41A2G6R2XIgUnF
XEOYqGOPDoJewVD+CedL3btRiiswpTpmoLXcmkrPqE8gV7GbAgMBAAGjggJgMIIC
XDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC
MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDMtFZGOel00LKytnYqyNfsbZ7RhMB8G
A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu
BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv
BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w
FQYDVR0RBA4wDIIKb2xkLnN0ay5jejBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr
BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0
Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3AF6nc/nfVsDntTZIfdBJ4DJ6
kZoMhKESEoQYdZaBcUVYAAABcUIWwzYAAAQDAEgwRgIhAO3wmJgyAPG0Bw4rLQu2
0+iMpMsukYPPsCC0tX+soF/qAiEA9N2b2qzp5MOeu6Vjdxr6JKQTahpC7W7ZpGuD
0UcvWxYAdgAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAXFCFsNo
AAAEAwBHMEUCIFKyoazSs8oPYdnoZAKtCm0tQvtJJP2SZssJSJ+pJYFKAiEAhHyZ
T8y1eWbm33Nswe2s5oz6VWE8oZ3fjvB9vUYF1tMwDQYJKoZIhvcNAQELBQADggEB
AHy6NNrT/dfauS5odFbt8Qp/v36hu6Rbllz+NEd2ev9ayI1yOOwKIHDAT4zIMijs
d/7iJAgSgdRecuu446Fe9oK3GYKOruCNJe/CPVmhUYvokyQeKd6cqcP2v+ryp1Oi
jn/eJfIsbBDnMiEdKTkiFP5mOXVHVd/fX884pa5hPE9NcacdbQifO0SQPw5iHQGQ
VaIpCid9p+vMoblZCrhpG8uZ7fN6k5qfU7FG+ARs0NfmOZe2iOJpv3oS2AvQvV7S
Qm1kbqKag8vrIDJi13IST0HEIyhM2zUFweYaObGEn1IIWSamjISXOERA7IAdIfkB
OyEYt1iC0JuZ7v0CHSTqicE=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAodYm/navaJUum6BdWxQk
HPeI9bNqu3Z+dL3bZjLtIVZ7tGDx2AqWwz80LVn4n31AHhvGBcR7Nry5my1ad8qt
qWYxx9S0QNZGlYDYceOWpBPhvx9rLkJbVV9DYvklDnARE8DfULmLKHwxE1sBEz6v
aHVTQnhOzfKwJRKNypfIqyH6EZn5QwVySlnh+ziDZM+ddCnlHd4Tbp5D+xx4JS/M
Y1B9VWHa9KJc/l2EdsmQ3cUgqw7cBiu1HcAUIxz8AMHbYfXFl49LeHhwwgzi+aJA
JdbuNQNhukdlyIFJxVxDmKhjjw6CXsFQ/gnnS927UYorMKU6ZqC13JpKz6hPIFex
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 396750907373344023732559802090169480547378
 . . . . . . . . [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 2020-04-03 21:08:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-02 21:08:39 +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 'old.stk.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 20429969544535652862038412989966911385713536662961169265873263972044834736973313708982190573984529205311897069170401835634499931556810475171421691208084031148345164746791264893320819359083428418152524302325400116439264055841713088089627658831777150990055772365432560652240322551998120282261187031672427370809948603522891217992918930992588489801497610725481686747896375593291024340030734605784147532154062809796655449630460768624423772939899937145715358119897116338565711159145315753835587991247383425756231080177199245400225559470357322306151594919636824975828986482316227441656915630047568602928357905779614178324891
 . . . . . . . . . . . . . . . . . . . . [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)
							332d15918e7a5d342cacad9d8ab235fb1b67b461
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'old.stk.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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001714216c3360000040300483046022100edf098983200f1b4070e2b2d0bb6d3e88ca4cb2e9183cfb020b4b57faca05fea022100f4dd9bdaace9e4c39ebba563771afa24a4136a1a42ed6ed9a46b83d1472f5b1600760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001714216c3680000040300473045022052b2a1acd2b3ca0f61d9e86402ad0a6d2d42fb4924fd9266cb09489fa925814a022100847c994fccb57966e6df736cc1edace68cfa55613ca19ddf8ef07dbd4605d6d3
 . . . . [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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