szestabor.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:0b:86:52:c8:99:54:80:04:2b:32:e9:b2:8f:f6:c2:fc:6d was issued on by Let's Encrypt.

With 4 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=szestabor.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0b:86:52:c8:99:54:80:04:2b:32:e9:b2:8f:f6:c2:fc:6d
Serial Number (int): 352370796151578869365460145024577338276973
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2a:b0:5b:2f:56:c9:95:a2:af:5e:5b:9e:41:80:b3:ba:51:68:a8:c4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7e:15:5d:7c:58:10:b1:0e:28:0a:40:cd:1f:20:e7:a3:99:b2:71:db
Fingerprint (sha256): 35:d2:77:2d:55:8a:83:31:84:11:05:ae:a4:c4:e2:ba:09:73:f8:8b:c4:bf:1f:c0:ff:65:01:90:f0:f4:16:9c

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate szestabor.cz

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for szestabor.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

api.szestabor.cz
cms.szestabor.cz
szestabor.cz
www.szestabor.cz

Other certificates including the domain name szestabor.cz

(limited to 100 certificates)
szestabor.cz
rozvrh.szestabor.cz
szestabor.cz
botanicka.szestabor.cz
mail.szestabor.cz
rozvrh.szestabor.cz
rozvrh.szestabor.cz
szestabor.cz
botanicka.szestabor.cz
szestabor.cz
rozvrh.szestabor.cz
szestabor.cz
szestabor.cz
mail.szestabor.cz
botanicka.szestabor.cz
botanicka.szestabor.cz
szestabor.cz
szestabor.cz
botanicka.szestabor.cz
botanicka.szestabor.cz
szestabor.cz
szestabor.cz
szestabor.cz
szestabor.cz
botanicka.szestabor.cz
rozvrh.szestabor.cz
szestabor.cz
szestabor.cz
szestabor.cz
mail.szestabor.cz
rozvrh.szestabor.cz
rozvrh.szestabor.cz
botanicka.szestabor.cz
botanicka.szestabor.cz
botanicka.szestabor.cz
szestabor.cz
webmail.szestabor.cz
szestabor.cz
szestabor.cz
szestabor.cz
szestabor.cz
mail.szestabor.cz
rozvrh.szestabor.cz
mail.szestabor.cz
rozvrh.szestabor.cz
szestabor.cz
szestabor.cz
bakalari.szestabor.cz
szestabor.cz
mail.szestabor.cz
rozvrh.szestabor.cz
mail.szestabor.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1EoLYaYj01mx9kaHl1j4
BPVBJ/ErG4ySe8uKOZ+0G+o2rDBNw0ofNlKgPMCx157eOl5Q3kfe3onHz32DvzG4
pYYfr+bRnZDhiKT/RdpRdiR9m+lZsX74ZpB2joCrTl5X4HxbhcjItxSjNzc2x7wd
Ys0IusERv4qA8UtD3kCG0OTnR31odQsLuhL0STvt/ns2f/tsmj9vDP7EW3r2CvQG
2Z7tf5mUZ0CYXNMZQSYDwQOPtOy1WFjtoRHoAfksgR37eb8ehVqbSj0Hq4bl3oKH
Q/71f4UjIgVFtxLiv5FJvpMuR1Hox5LUHKarKmuzuungq3nTmrTHn3TafrswMpby
OQIDAQAB
-----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 352370796151578869365460145024577338276973
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-15 20:10:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-13 20:10:57 +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 'szestabor.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 26799033336262991101966778357829699345613490525792986744223014551048395415581341093848709390104303561859955118045473846145774178345356276229259889164992361182744208318928511749867948054292986851590493231820823937554542507415373541403834438248594139216400407348659094112905588707303878936164771998117665479939885548294372470518520290190904587959458292808353410755411854200401700728910549717642986296388612995491760437964348904256240662830124029148942377919548054674213334374983283841508920754181561891508869447244193193054443996493419395846363390584991851141211227670594700324063370070906824736425319350860997564232249
 . . . . . . . . . . . . . . . . . . . . [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)
							2ab05b2f56c995a2af5e5b9e4180b3ba5168a8c4
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (70 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'api.szestabor.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cms.szestabor.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'szestabor.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.szestabor.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b352d89340000040300483046022100d1d4f3788f8f48d324db3851010b57c3e254f4009673b62c052ba6e7bf83ac800221009209f7c3f8574dfb4f4b31c69afa8f3e399663b33c041e55f009366608f8f0240076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b352d89230000040300473045022100e50677beca9c91cf4500a8a87eb661f22f5d2f8867d203b1e795651a35a052a9022032554439eee873538a04ffe569ce6c97bddb4b2bee6252ccd51b72295ddf3766
 . . . . [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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