pekat.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:33:24:96:7d:01:ed:96:64:04:4d:12:ae:74:10:48:47:d2 was issued on by Let's Encrypt.

With 8 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=pekat.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:33:24:96:7d:01:ed:96:64:04:4d:12:ae:74:10:48:47:d2
Serial Number (int): 278739892096079597149562277378264947771346
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ab:0b:21:e9:4f:f8:59:e3:81:29:44:50:5b:45:91:dc:7a:94:1c:9f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6e:cb:dc:6b:34:ae:93:e7:d5:1d:37:49:9e:59:0d:8e:54:11:74:fb
Fingerprint (sha256): 6c:fd:91:50:f5:e9:47:09:a4:13:72:d1:2b:41:bb:88:9e:de:d0:9e:20:6c:ae:3a:31:86:b3:db:0e:d6:e8:4a

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 pekat.cz

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pekat.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

pekat-vision.com
pekat.cz
pekat.eu
pekatvision.com
www.pekat-vision.com
www.pekat.cz
www.pekat.eu
www.pekatvision.com

Other certificates including the domain name pekat.cz

(limited to 100 certificates)
pekat.cz
pekat.cz
pekat.cz
pekat.cz
pekat.cz
pekat.cz
pekat.cz
pekat.vision
pekat.eu
pekat.cz
pekat.cz
pekat.cz
pekat.cz
pekat.cz
pekat.cz
pekat.eu
pekat.cz
pekat.cz
pekat.cz
pekat.cz
pekat.cz

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFvDCCBKSgAwIBAgISAzMkln0B7ZZkBE0SrnQQSEfSMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMDIyMzQ2NDFaFw0x
OTA1MzEyMzQ2NDFaMBMxETAPBgNVBAMTCHBla2F0LmN6MIIBIjANBgkqhkiG9w0B
AQEFAAOCAQ8AMIIBCgKCAQEAmzaOjvvouQc1w+iH893/IBwsM2P0GWVRPMTHCF+O
IC1Fj2YtAswUXrAaztWET82ra+LSx1hCaR1xtyDn7K17Ani4JmYEHybohHiP/To2
SfJfL8IDSSZQ8SmoHaoPkXb9DYilJ2/YR6KlW2rmNTVPyVtEOFscXxHTSnMOgNOm
YZhnoCZiYS0NCFeNBRBCK2n06N0UqrVqHq3rvmzdvzriBlKOVbZiicGxKYfGz1QU
2RaTgQxPfBpNpzI1TKbeCxc3W8u5KCNUTYlTU1nZXM5hhrbGOngJDl3KLj/iN3jG
1hQnlc+Zj6wHGcRpG2coAcovHEThH2V1SRX0iRykEWssEQIDAQABo4IC0TCCAs0w
DgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAM
BgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSrCyHpT/hZ44EpRFBbRZHcepQcnzAfBgNV
HSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYI
KwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYI
KwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMIGI
BgNVHREEgYAwfoIQcGVrYXQtdmlzaW9uLmNvbYIIcGVrYXQuY3qCCHBla2F0LmV1
gg9wZWthdHZpc2lvbi5jb22CFHd3dy5wZWthdC12aXNpb24uY29tggx3d3cucGVr
YXQuY3qCDHd3dy5wZWthdC5ldYITd3d3LnBla2F0dmlzaW9uLmNvbTBMBgNVHSAE
RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw
Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQIGCisGAQQB1nkCBAIEgfMEgfAA7gB1
AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hUS9iNAAABaUEEZjIAAAQDAEYw
RAIgKV3bJuCA4xSiZQz2PSHtx11657E8oZl19+or3ApWX1QCIHddpr9/rAzrCTxk
0wgTiZ7dFzl0uMIf9YTrQo66lV9lAHUAdH7agzGtMxCRIZzOJU9CcMK//V5CIAjG
NzV55hB7zFYAAAFpQQRoGAAABAMARjBEAiAqt79DTy4nypYwjd+U0T7cJEmXHHM8
sNnSclWZy89lUgIgYsnj5+Xg7RfINX0IXHbJlT4wma71Zand+8oFOG/DiNIwDQYJ
KoZIhvcNAQELBQADggEBAIilniwLM212DclXpHOtti9rL+Cu3cr32C6QNXTZQKXA
bQ1kshrUOaC+cP5vrD7L0lbEUR+P/9UShEaHmAVwoO9XegaHG+XP6/gJbcXGMqGD
+6qMVVGuQFDZvRI/cqjEDaI8znyWA1aeDWsDZr5PzLguniahTblbV4zeg4Fzh8LA
ydl50LUG7LltxwmYjXCAAeC01hrdEak0pEZfgeR6/XtbEPssrOPp130qHx+z7abR
QXSeymHUF6hEV1zpaGNdogmDdB8GG1CCp2lgO+4GBwz/yAGDPOcGnn8aHGiutrkU
VOCrHoWdHCtCPMU8aneRMOoRzowkxlAoFsQoQK8cS6Q=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmzaOjvvouQc1w+iH893/
IBwsM2P0GWVRPMTHCF+OIC1Fj2YtAswUXrAaztWET82ra+LSx1hCaR1xtyDn7K17
Ani4JmYEHybohHiP/To2SfJfL8IDSSZQ8SmoHaoPkXb9DYilJ2/YR6KlW2rmNTVP
yVtEOFscXxHTSnMOgNOmYZhnoCZiYS0NCFeNBRBCK2n06N0UqrVqHq3rvmzdvzri
BlKOVbZiicGxKYfGz1QU2RaTgQxPfBpNpzI1TKbeCxc3W8u5KCNUTYlTU1nZXM5h
hrbGOngJDl3KLj/iN3jG1hQnlc+Zj6wHGcRpG2coAcovHEThH2V1SRX0iRykEWss
EQIDAQAB
-----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 278739892096079597149562277378264947771346
 . . . . . . . . [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 2019-03-02 23:46:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-31 23:46:41 +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 'pekat.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 19593840264661022757078937488085002169797494896694379140988894314474394519277455746620146899710723615197778488154718523942333716786728363359064991652306817182805151826282138854584775007881988024133596410464446561450989578796301960642320041002946874641088500993757928971240005576164101279377382423985769956948865747995872995699012355079156220919476651431224117992030412505165300702797955187272274020521427603996784774208220010306239468541775355751706545137477266445198031567453873978247311643542015534790999473299863878535026115419329452070904620231175237457265953219434871179295787221427474506989823063903784732929041
 . . . . . . . . . . . . . . . . . . . . [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)
							ab0b21e94ff859e3812944505b4591dc7a941c9f
 . . . . . . . . . . . . . . . . [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 (128 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pekat-vision.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pekat.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pekat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pekatvision.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pekat-vision.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pekat.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pekat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pekatvision.com'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001694104663200000403004630440220295ddb26e080e314a2650cf63d21edc75d7ae7b13ca19975f7ea2bdc0a565f540220775da6bf7fac0ceb093c64d30813899edd173974b8c21ff584eb428eba955f65007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016941046818000004030046304402202ab7bf434f2e27ca96308ddf94d13edc2449971c733cb0d9d2725599cbcf6552022062c9e3e7e5e0ed17c8357d085c76c9953e3099aef565a9ddfbca05386fc388d2
 . . . . [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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