pekat.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:b0:91:d2:91:38:07:37:49:b2:a1:e7:b1:15:9b:66:65:30 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): 04:b0:91:d2:91:38:07:37:49:b2:a1:e7:b1:15:9b:66:65:30
Serial Number (int): 408532671692243664135730355126437706884400
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f3:c3:c5:7f:10:36:12:78:3a:5e:d7:d7:40:e7:f8:73:59:3c:8f:45
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 77:2a:08:87:60:c4:ac:b6:05:90:13:9a:21:0a:04:ce:fb:c9:48:f5
Fingerprint (sha256): c0:08:05:c9:eb:65:17:f7:3e:71:49:88:fd:bf:1a:d4:96:34:82:2d:3d:a7:cd:0c:c0:ef:0d:04:32:38:9d:02

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

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

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.eu
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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqpgvlsdE6zIcByXuqiwh
PzCtKq+faEWVpGhP+VBYd10RnVEYHoXD3KrG4ZpHmQZTKrcIDQNyXGI1xzDjcFd0
ebKS4dg0/G6Ffa0drVy3oF2tLKZmH2rSs7i10vzHk9Att4LyBNcgSepocF7tBMEj
vxGVMKAM8siXB/6pzitdwcyzqcgprkcTJZuDCIPgZnaaSA5JHVPqg3RulF8a1s0V
b0bImnW/+FRHiER/FJXtjIfzhZFM9fgQQrbPttInnND6ANOIEVQ+IXDpkZMAEzJa
7avcIcGqu96JRs/Cwtl40FQpzXmG058IJjWokio1l/u/HXi+Gr36KgRFfimdPNkk
nQIDAQAB
-----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 408532671692243664135730355126437706884400
 . . . . . . . . [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 2020-01-29 07:55:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-28 07:55:54 +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 21535557505771264538168927210766637049256698769425764515363128052024939546603267130792651403814404322616576272010401510071668150852896707849980267447820405981297016574779565782864680241320830582023792523571291464396247708107928318325554650265255884622470902647331065749989720383714538055547632210740334732996003041469326372323644642177794902853419368194977634664093144071678886707111492305532963718207982197138846461172290197498927987451709909877568423704533844381056314014175723678941864466471834451720496311434396220862757531360623222382838360229621775948925477082662526876884930996670449608314437169215873106912413
 . . . . . . . . . . . . . . . . . . . . [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)
							f3c3c57f103612783a5ed7d740e7f873593c8f45
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ff0839cc40000040300463044022022733c16247cbcd7c33f755998661207435990d3d194b7de303d7b7bfed7829c02207bcf529744b8b40a3f960e70e5d5066792b1a6bd234bdc77fdf264b4c0cb5a8c00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ff0839cea000004030047304502210091bbea4e480b035b36ab7102dc3e0a4b0ebf49cd4468fc61abfb8823e3e488b802200de3d9f107921504660339ebdb04fbec4b606f1ada20650f252d9f424a7ed9b4
 . . . . [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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