pekat.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:24:a3:4c:3a:0f:7d:35:8b:4d:b9:ba:59:14:62:34:9d:cf 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): 03:24:a3:4c:3a:0f:7d:35:8b:4d:b9:ba:59:14:62:34:9d:cf
Serial Number (int): 273804082959915644365385954125212036668879
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 33:c2:79:69:d5:32:71:64:34:67:1c:84:17:4d:73:a5:5f:62:6b:7b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5e:b9:99:da:3a:49:e0:69:62:79:7c:54:95:37:52:c5:41:df:86:b4
Fingerprint (sha256): 39:61:70:61:c9:42:0e:99:d7:a6:4f:ca:9d:64:72:0f:dc:3b:27:3f:76:bf:62:bc:81:c7:ce:2a:9c:22:d5:81

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl8sUHWKF7ysxrnVvSaeI
vdvxa5l5DsTzSGu86DSqKHWTgi6UeN6kQCsJ3L8fMtorIBGltzJzqWKDcrkm2lYa
PvX76CCAuD01c/jNsZ3+H2mA5YhNXEud1AgDpC6bb5gRR4utAzGbtz7G7XtEpzoA
8Lql2PedaT4uYS3burTve4TSthaw8WHX3dGwJJpsJMpvM+aRU4PiIY252FJHuD0P
sOPzLi8RuLILa4Fju9jgyWgevdWc5CWLmltH1fX5bIrK39HFP5yU5/B2Uxo+Fsrx
spPtHdBjdlL6pcbCyGvNJ84R6F1dIdZ6VFUM9gBNamHvvKqiRa7+hTUuUVI7KOF9
FQIDAQAB
-----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 273804082959915644365385954125212036668879
 . . . . . . . . [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 2019-08-01 11:16:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-30 11:16:50 +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 19162125826742346056271390754779019441675594279121155242164693797882640770005186155758402818530471022466548767918442817157973959102476196515071950071928729719410078258470106215732916625083122627936109667383594286958123189621897985275943125094273470678494037997275112791882280167017961830665795514848267748897008615564634892006514916891697314392676795163762503900946731148455768428230859437356728825200994533770135218222399713293648838964423756101337603842398981847721196299284552292880814435890966363940096525613619500331958035361852413429777065742840829483866406492396905358779800763886172219804868742845914092240149
 . . . . . . . . . . . . . . . . . . . . [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)
							33c27969d532716434671c84174d73a55f626b7b
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c4d1c8423000004030048304602210083279c2bc57e9a8ea2e6fa18f3d5e6600ce3c9c053206d4576528ff5e4e1cc430221008f1de007a20f4225ce9505193dd07d193b56539170ad8c0c0b81575ed9ad376d007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c4d1c85f600000403004730450220699fcb772d0ea7aef765eaa8ecab235053e96843eaff174c297cd910f8046e92022100c2ff9adccb16ce83daf2fa7a2b18562131fb56b0d350f0f2a67d163809fc6237
 . . . . [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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