pekat.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:21:92:99:5c:12:79:8e:49:29:1e:48:0a:34:3a:c6:c4:21 was issued on by Let's Encrypt.
With 10 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): 03:21:92:99:5c:12:79:8e:49:29:1e:48:0a:34:3a:c6:c4:21Serial Number (int): 272761039479921072940590638421820148466721
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 74:ab:15:78:90:62:b1:be:dc:8f:92:d7:06:27:17:e5:91:7f:dc:c3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 2f:a6:0f:88:08:b0:d8:34:49:1f:e4:11:b8:78:d8:69:5e:86:8e:65
Fingerprint (sha256): 02:86:d3:66:30:d5:33:37:0a:60:3f:b0:95:b0:50:da:2c:34:97:29:95:28:c4:af:9b:ab:6d:31:70:38:e6:a8
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate pekat.cz
10
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
pekat.vision
pekatvision.com
www.pekat-vision.com
www.pekat.cz
www.pekat.eu
www.pekat.vision
www.pekatvision.com
pekat.cz
pekat.eu
pekat.vision
pekatvision.com
www.pekat-vision.com
www.pekat.cz
www.pekat.eu
www.pekat.vision
www.pekatvision.com
Other certificates including the domain name pekat.cz
(limited to 100 certificates)
Certificate
The complete raw certificate details for pekat.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF3zCCBMegAwIBAgISAyGSmVwSeY5JKR5ICjQ6xsQhMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjkyMzU0MzJaFw0x OTA4MjcyMzU0MzJaMBMxETAPBgNVBAMTCHBla2F0LmN6MIIBIjANBgkqhkiG9w0B AQEFAAOCAQ8AMIIBCgKCAQEAo0W9F9IOCmSR5kQq4WHUDxWNNhjxxNugvi9xrjZ7 2sdV/xGMuLEFNsfp7yOVz5g8Jk6RtPY2NdngaUF115K77xUpACa53Fw+KA6F4xML KT5g+5PKh0Dsr2h0guv/OR+46Zb6pbtAkwgQtkKa23tKkNTu1Q7ovgdx1AV+XE9P jsr/GC3JhWo8SG07zlmRJIXQY6direPx4ujbtC7thAOeTy47NApa02k9Z2xJJUlg 0TZYwiiJsP9J6DADd3FKCyTo7u0g5pmLat5XDYvmwWEdcS0VI3RmomUUpui8MjCQ dToizLtbRLItg/3mWyx6Ws/BzEmd7uN+UJBrOlgL53J2DwIDAQABo4IC9DCCAvAw DgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAM BgNVHRMBAf8EAjAAMB0GA1UdDgQWBBR0qxV4kGKxvtyPktcGJxflkX/cwzAfBgNV HSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYI KwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYI KwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMIGp BgNVHREEgaEwgZ6CEHBla2F0LXZpc2lvbi5jb22CCHBla2F0LmN6gghwZWthdC5l dYIMcGVrYXQudmlzaW9ugg9wZWthdHZpc2lvbi5jb22CFHd3dy5wZWthdC12aXNp b24uY29tggx3d3cucGVrYXQuY3qCDHd3dy5wZWthdC5ldYIQd3d3LnBla2F0LnZp c2lvboITd3d3LnBla2F0dmlzaW9uLmNvbTBMBgNVHSAERTBDMAgGBmeBDAECATA3 BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNy eXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AOJpS64m6OlACeiGG7Y7 g9Q+5/50iPukjyiTAZ3d8dv+AAABawY7NwEAAAQDAEcwRQIgXVJQinhdEC4ahbQ4 zBSypKxJeEdN7ptTR2bWzMiFYZsCIQDRy3ed12/byf0y0qVsGk380W6e+Zre/AqO omb8xbvn5gB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABawY7 Nw0AAAQDAEcwRQIgZBPKBCxI+eAKVXCBkhqKVzoeT3+1JM/LcurkPaML4rUCIQDx OhyXWRCmkppsluv/l0P4qXQg/QFrjd/takSVXzvJdDANBgkqhkiG9w0BAQsFAAOC AQEATPJhVmQ1REWpPzq/9dKFJrpQc8TxjG0yOtvssba7AwB3q50yNaGPZ2BaSvXm EWbtJIbY4upK7vFeddBqREa6y60A/0U27Wb0KrBkXj8NYQRwloCa7elLLHcxztNp IRiF0TGjf96VHMm0A9zWl2S+i7lDOoJuljDqza7p7ygH/mrav/cSXxWS0Z6qIBpG H5PeURw+t6yrCZu2FsuyQ7z5GCY1L9LkvhbnW8LOATwBpBsctieL2lJTGj/zA/Jc 0ZlKh+c2wcvB0MPmVMqooeGp8dqT9fVNuw6UqFlTaEdO19oHCOKEbGy29jpGBya5 T05Mp2/YzXUI2JcawLkfclwMMg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo0W9F9IOCmSR5kQq4WHU DxWNNhjxxNugvi9xrjZ72sdV/xGMuLEFNsfp7yOVz5g8Jk6RtPY2NdngaUF115K7 7xUpACa53Fw+KA6F4xMLKT5g+5PKh0Dsr2h0guv/OR+46Zb6pbtAkwgQtkKa23tK kNTu1Q7ovgdx1AV+XE9Pjsr/GC3JhWo8SG07zlmRJIXQY6direPx4ujbtC7thAOe Ty47NApa02k9Z2xJJUlg0TZYwiiJsP9J6DADd3FKCyTo7u0g5pmLat5XDYvmwWEd cS0VI3RmomUUpui8MjCQdToizLtbRLItg/3mWyx6Ws/BzEmd7uN+UJBrOlgL53J2 DwIDAQAB -----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 272761039479921072940590638421820148466721 . . . . . . . . [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 2019-05-29 23:54:32 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-27 23:54:32 +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 20611233116890934540228789535970360345105945892026147405147342083432140583388777606978264361843786598756245743948283971122277995858623584968108526314689748996883599005613061133207703575469670235442571422461388397169645833732703219568623752907058685700196752963013016764796317225885153979956603820733825760540216205453927960710659232130205133315046941107903175811138323925198159865025760949492274391639586652340659732839959978777102608219378281854618487740993218489667458630230459645299290671773586575335968946597941671204470166525523207952491843010419972381632451600615559776638633089539518088255471521074222623520271 . . . . . . . . . . . . . . . . . . . . [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) 74ab15789062b1bedc8f92d7062717e5917fdcc3 . . . . . . . . . . . . . . . . [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 (161 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 'pekat.vision' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.pekat.vision' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b063b3701000004030047304502205d52508a785d102e1a85b438cc14b2a4ac4978474dee9b534766d6ccc885619b022100d1cb779dd76fdbc9fd32d2a56c1a4dfcd16e9ef99adefc0a8ea266fcc5bbe7e6007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b063b370d000004030047304502206413ca042c48f9e00a557081921a8a573a1e4f7fb524cfcb72eae43da30be2b5022100f13a1c975910a6929a6c96ebff9743f8a97420fd016b8ddfed6a44955f3bc974 . . . . [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) 004cf2615664354445a93f3abff5d28526ba5073c4f18c6d323adbecb1b6bb030077ab9d3235a18f67605a4af5e61166ed2486d8e2ea4aeef15e75d06a4446bacbad00ff4536ed66f42ab0645e3f0d61047096809aede94b2c7731ced369211885d131a37fde951cc9b403dcd69764be8bb9433a826e9630eacdaee9ef2807fe6adabff7125f1592d19eaa201a461f93de511c3eb7acab099bb616cbb243bcf91826352fd2e4be16e75bc2ce013c01a41b1cb6278bda52531a3ff303f25cd1994a87e736c1cbc1d0c3e654caa8a1e1a9f1da93f5f54dbb0e94a8595368474ed7da0708e2846c6cb6f63a460726b94f4e4ca76fd8cd7508d8971ac0b91f725c0c32