ladislavmartinek.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c7:5e:d1:58:f6:c9:bc:7a:5a:f0:d6:9f:6e:42:ea:52:25 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=ladislavmartinek.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c7:5e:d1:58:f6:c9:bc:7a:5a:f0:d6:9f:6e:42:ea:52:25
Serial Number (int): 329179083238599317482801040498628082946597
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a3:36:9f:5d:75:89:c3:49:bd:5d:b8:fe:59:2e:18:91:5d:12:1b:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bf:d0:13:58:3e:3e:f3:ab:a8:85:87:7b:0d:e7:79:ba:5c:96:46:d1
Fingerprint (sha256): cb:82:53:4e:ba:56:b1:23:00:2d:be:33:91:eb:e6:ee:f8:f6:43:a8:2a:5d:a4:31:c3:7d:22:6d:c5:2b:3f:25

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 ladislavmartinek.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ladislavmartinek.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

ladislavmartinek.cz

Other certificates including the domain name ladislavmartinek.cz

(limited to 100 certificates)
ladislavmartinek.cz
ladislavmartinek.cz
ladislavmartinek.cz
ladislavmartinek.cz

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFXjCCBEagAwIBAgISA8de0Vj2ybx6WvDWn25C6lIlMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMzEyMjA2NTJaFw0y
MDAzMzAyMjA2NTJaMB4xHDAaBgNVBAMTE2xhZGlzbGF2bWFydGluZWsuY3owggEi
MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCrBt3yvh8dGtiEK75s3no3EtfO
5lBFwCKixxQnR85R1lMMAYDH+f1aH2R2edSS/8/EXIQQvQ1wqlmC6jLZirXYDkNN
DEK6LdYueKqgTsvs5G8HW5Qwh587miBjffOM+qF4yfdW2wJ+zOvkHwaRU8BvS7q9
VJS/GSwwLH8Mq/6YvJ5aLVjQeEbAnwjAOLh1bYxK4e88LKp4dz2FhhNczkIRoDgX
RbDsqflU55eyf3HGqsN86UCj0R84z/N18CE3ZB2TDn2pqRfXcawtxofSe/Vx94X/
zMYuS65v2DpVSJFnWwjPQQgMka9jgN6s+doBXheEcf1QU3lwRSGeNxKb6gnNAgMB
AAGjggJoMIICZDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEG
CCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFKM2n111icNJvV24/lku
GJFdEhtRMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUF
BwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNy
eXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNy
eXB0Lm9yZy8wHgYDVR0RBBcwFYITbGFkaXNsYXZtYXJ0aW5lay5jejBMBgNVHSAE
RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw
Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2
AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAABb142RWwAAAQDAEcw
RQIgKGbBQh809OCTidMBdS3tidqijAGpmVfkmFm2M+3RtH0CIQCLcpmZlNBd+gXS
0Aasald1ieabUiyoNV/DAa43Ed+3qwB2AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq
7rxhOhpp06IcAAABb142RZkAAAQDAEcwRQIgEibtTCEcPzU3zUkWtPbS6BRNI3Xt
A7AZTORqfAgymT4CIQC6ouE3SLOTF0wGSbiSaQZcS9trLrKS5gM+XB8fDcKdXjAN
BgkqhkiG9w0BAQsFAAOCAQEAewII2sQ2Wt/n/PFPdCaigZj9nY4FNU3XStrr0Le6
WetxLE39BY86SXV/UGyBkb8oaqwhZcLVIL+A6s9tlO5QOOyUjGmJDxJlzmU0QTat
NtyYQdvvdXL6uA8YQXJKsCMmFDqN/dwHbU/6iwc5+LejpuuR0URiHTW7ELMjB2jg
bGKTPKVpvkQlGe3Jnt0rcFLw68kDDa+8WzjBJBF2Y3AohXiYZ7l7NRkohsWWXtgn
1WxzxKZlmbxb7u+6ckA2MtD2/F2lyL9llbBgxfQMvL/BYjdZSWKrhYHUnTICLouq
YBFoBMHH3mqzPb0N06f0gqRVhlxN9ZkXu2z3aWN7TL6YYA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqwbd8r4fHRrYhCu+bN56
NxLXzuZQRcAioscUJ0fOUdZTDAGAx/n9Wh9kdnnUkv/PxFyEEL0NcKpZguoy2Yq1
2A5DTQxCui3WLniqoE7L7ORvB1uUMIefO5ogY33zjPqheMn3VtsCfszr5B8GkVPA
b0u6vVSUvxksMCx/DKv+mLyeWi1Y0HhGwJ8IwDi4dW2MSuHvPCyqeHc9hYYTXM5C
EaA4F0Ww7Kn5VOeXsn9xxqrDfOlAo9EfOM/zdfAhN2Qdkw59qakX13GsLcaH0nv1
cfeF/8zGLkuub9g6VUiRZ1sIz0EIDJGvY4DerPnaAV4XhHH9UFN5cEUhnjcSm+oJ
zQIDAQAB
-----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 329179083238599317482801040498628082946597
 . . . . . . . . [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 2019-12-31 22:06:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-30 22:06:52 +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 'ladislavmartinek.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 21590136385809388612248628280604587307101458888593293016364772484887780567271822981485406929285294976718583096707580065550808385689724948013917640502430124635420253373845060407594648130783799956490348649109064025173464324256021766540711254937446013175174893917914943985925115764657239769083438702437600068225761842545759715181408938765129545145931797816918639551752526999330099963668853013861063781430980758163583996125448867364566571923649337298864571585874315592074609972985986996197157416117532703793623905984508842129577023776743825180001901673121965618299865637550153575601640230201842660054417673509505166084557
 . . . . . . . . . . . . . . . . . . . . [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)
							a3369f5d7589c349bd5db8fe592e18915d121b51
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ladislavmartinek.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f5e36456c000004030047304502202866c1421f34f4e09389d301752ded89daa28c01a99957e49859b633edd1b47d0221008b72999994d05dfa05d2d006ac6a577589e69b522ca8355fc301ae3711dfb7ab00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f5e364599000004030047304502201226ed4c211c3f3537cd4916b4f6d2e8144d2375ed03b0194ce46a7c0832993e022100baa2e13748b393174c0649b89269065c4bdb6b2eb292e6033e5c1f1f0dc29d5e
 . . . . [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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