www.hrebik.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:62:26:35:75:d9:bc:85:69:69:0e:d0:f7:e2:5d:f6:51:f6 was issued on by Let's Encrypt.

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=www.hrebik.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:62:26:35:75:d9:bc:85:69:69:0e:d0:f7:e2:5d:f6:51:f6
Serial Number (int): 294735317999398817867924745753450853585398
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f5:9b:ec:71:65:41:76:18:a6:ca:78:58:89:19:90:8a:f4:e1:26:7b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 75:7f:93:8a:71:5a:65:d9:cd:32:f8:9e:3a:9a:1e:a5:c2:c3:8c:0c
Fingerprint (sha256): bf:d8:13:95:2e:9d:e5:33:81:de:fd:6d:76:a9:6b:e1:2b:53:65:ec:61:4e:12:96:a6:2b:d4:cb:7a:83:a9:d3

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 www.hrebik.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.hrebik.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

www.hrebik.cz

Other certificates including the domain name hrebik.cz

(limited to 100 certificates)
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
www.hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
www.hrebik.cz
www.hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
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hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
www.hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
www.hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
www.hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
www.hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
www.hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz
hrebik.cz

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArGKbeuBuLPG9Ev/J5mj6
42zwZTV3yT14xYB1NuTVZPv+9YzFIMxGlgjNG/MIwkkQSc9TvWpzqfn2dHjMrV7u
Xm0xPK2st35rV+6KosLCcxk4O7Wl7oyzg/bcMQZhx1F2jLRrHUkMv0H98m8ISHvo
v15hAEONqX65eZspu6pGQN0OXZBHd5950nHY5CXyqseSjim/00sh4EgVzw2WF2W9
xInt+1bZ0Ka/zhaWJXZNTdqizDG/NddwkZAwAwBC2ouivIoGs7exynMPoTUNCvqE
gfyaWd9KPbt0cZhFUnQX6fC0wWb8bR0TTZK7IamaaNqr8c8XOiWkaX8Y5HHVGPLp
kwIDAQAB
-----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 294735317999398817867924745753450853585398
 . . . . . . . . [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 2019-12-29 08:35:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-28 08:35:56 +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 'www.hrebik.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 21761613547622288313539618418513044745613699667414071626985552436995175751351926779177222927530210544474650919385974937251641752909160562128900479732437380007844988001671738303936152662271594825486641419861390703332897839747764282132327245213687294664948196040959967616662492859715323562077342851452002907098967094010812338681025528597969608959392422321288369131531246477668152276643542009526469860585582671136110583664745198254959166395574859526868380785052882368373569233169543289579127971828320962179147048492078239205868864804860570243762927141337415981424589140801329694925406816368294035292436520463993603811731
 . . . . . . . . . . . . . . . . . . . . [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)
							f59bec7165417618a6ca78588919908af4e1267b
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hrebik.cz'
 . . . . . . . . . . . . . . . . [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)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f51031d2b000004030047304502205bda49830adf33074e71a571e51de28f199b07f51e86bac2f276f024a4aba5d8022100fd1762cf767f7c75a4ed9343d94d052bd6fb888766a7d2c481ee14bec157b7e000750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f51031d53000004030046304402203dc1b66acdabf1b246f10728221915e4c728edc4f39f80c6672cef7ea4ab524402205ac9bde12ee44fda41cca442c432a59177c15d3adca7059885501b405e4ecb41
 . . . . [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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