pekat.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e2:06:2f:28:e2:98:8c:17:b2:ae:7b:4f:ed:d1:79:d1:20 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:e2:06:2f:28:e2:98:8c:17:b2:ae:7b:4f:ed:d1:79:d1:20
Serial Number (int): 338248892954589053272038993597218082640160
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 68:83:78:de:6c:b3:4d:44:d2:f1:ba:8e:c1:cf:be:f5:90:5e:cc:67
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e7:5e:df:70:c9:32:16:6f:30:7a:14:94:9c:1f:da:43:73:88:d5:dd
Fingerprint (sha256): 65:c8:71:24:bc:a0:95:02:26:81:ef:78:b1:72:93:f5:c5:ed:b8:13:ef:c5:dc:fb:8b:ff:68:0c:85:b8:77:99

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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu6SKdi4v1Yb94f2Lfa0b
ApMWF/UoRxyRaIi5x0JJy97Oh2apCIXDePTaJPc50YAjVlvAEHjP1y+1krfWEFZj
+CWN+v1H65gL3tAp4rrAYSJV3VQTAIrcmRdrOI7xfr0/WzoOcSuo/RhRlxKqfW1G
5xvkIADUfHlhdsLt54n5FA/wOvJwCfWj2u+HZCygj8fJfuTjca9kPpTI7kB1jWSq
uu1U1CMP6gxUfOPMuL75hdPf+iVEExcB+xjMK5wWgp0fp8AR9CXA9L4+IL0ttVQk
KP1ZDQmpUhqvJPG1qPNe2kjJ8BlCUhoZr3yQ0oAa4xKbX2o32uu0zfgt4f/247hP
QwIDAQAB
-----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 338248892954589053272038993597218082640160
 . . . . . . . . [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 2019-01-01 23:03:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-01 23:03:54 +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 23687701153633372331080262821038468854843818148587956232649993273150089191067022230466218173684326793193744053943977696234097579033955344571593562399744581319544566411505388301995434683327269367580656807164146883774867486589144059245646780521246583779888005719418468381730492215797913797371674037771957413183202731170597608057531644599529489978730240853940714656518998039451436464323019394482545289985689632613696041389129008049577894588306631192149393794685326602061805787884892780499881465735356053469249116322322667260262144354986525109029851850710354892172248747808581992420701329390632756627315863923274030796611
 . . . . . . . . . . . . . . . . . . . . [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)
							688378de6cb34d44d2f1ba8ec1cfbef5905ecc67
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001680bdfaaf6000004030047304502201049ecd2e36cf89d7d947642287d8929d49f39cec9b963dfc41584da9e90efaf022100f8c8cae08cf6967178a2a26fbfe3374f5fae45a1e4127d32369f90142e89580c00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001680bdfaaf90000040300483046022100efd03f0d096099ed715da96068e881e100f9d1c1bc233fbf4924965ab627f7a3022100b8f794649888639ff389aee58886d78e214e95f65361a1800ab201716a3526ec
 . . . . [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)
		00998a07d4ccf22db7610c54202b449f88d8361834c2f17ec1e71326c1e16ef2f441e47a9e7c8eea4f99da3f05996dd4ccd3387ba4bde8612186c686b52327ef53e01c9ff368f68eaa14df8d5dc5e162546d03d2bac9d5896fa5df02372937d0fe97211aa80c1d3233e8e28d1c7a8ba58a17b69eee56f82143050bec0852299b6ed2b367d9068abd8f0b5de20af6f7df86b570a925cfd7450e05e9ec3c390bfaba4297cb356d7e2b12338eccb3c82721e4a4b7970e9e7657c285e6bd96e1a4c4c835e6bff1a2541775acdfe7c69eab9694b828cfff31eafdf776d9d192b0456d1c94d1cb24450d368254f3efd0f610e755814b6f1e1ef1473f4de9be77e7daadb1