szestabor.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:db:cc:87:c5:3a:34:f2:0c:44:b3:c7:75:cc:66:f5:15:c7 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): 03:db:cc:87:c5:3a:34:f2:0c:44:b3:c7:75:cc:66:f5:15:c7
Serial Number (int): 336130563622428599661854158418146787399111
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:c9:36:84:b6:11:6e:42:4f:2e:b3:38:e1:1d:65:6f:3a:44:fa:b3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a1:ac:6b:29:a4:91:98:74:85:0d:24:07:75:68:82:c7:3e:ab:af:97
Fingerprint (sha256): 30:1e:69:1c:c9:48:d7:fc:bf:a2:5d:a8:58:8e:9a:1e:37:58:ae:77:69:ff:5e:6a:50:46:db:ed:1d:23:5d:c5

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7KOyJJKPUSrfFR3E8QTv
amWYjyU/AvvK+3Tw7Y/8QlYC+hy+2ednbA8pm62LFsxQImwrjWWc5ELwx3Nh/3f8
MUFsPLlB8tlo1NkKlZ547uCoMwAxIvpK2VbzdkfiMdojYISUiusUDCbSTZddDNiR
UC2TleAMGxnp2k6kBRUEJnulGuddPAVfv+LnwPFg5QqjLhIesPSVfjayUfQUaFnn
Qly9NSiheinnrzSwbcxR4UqYwWJ1u7YX/TqRl6VnU8eFjhQXp2EJ5qXbvVrQeK7z
k/eLMrKwlu5j/csXijCdGmpifwO1TaweHOCpXzukSpYlwjYxnWMoSoeH+dJ5ln+r
owIDAQAB
-----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 336130563622428599661854158418146787399111
 . . . . . . . . [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 2023-12-14 21:33:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-13 21:33:10 +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 29872961414288407200783384113634886504687434818062803786026343944303091843437494455141173176563387024943940676878486162861885917424172246881220728011514107656530214920817853160137767061918513237008012106979549683836531054341161362082598118537334412082327920533531465348941098894593370441344945374730222033529335253132880219763396000558437559264126731290676550527020739620172790278556107483403997154190583785041540998075967760015734081874946040643636924750618206337998192741915314296473803424187342980472622425336028167214796550625434225942055866309611355245324003933952928950830280394492198969754801299378222714039203
 . . . . . . . . . . . . . . . . . . . . [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)
							b7c93684b6116e424f2eb338e11d656f3a44fab3
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c6a765f66000004030047304502200bd07bfb348040f5afc6124739eccf9946012a96e19795196537bcabbbbf0aba022100b71d64e485f1478f21ece1926d1802a8c1d74562a02d720bd8ab857a3b632b520076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c6a765f670000040300473045022100a40068e1d675ed72acbba24a352645f7396f0996329ac34d2bf004f49ae9a7fb02202f09f9c95d49ba2d3b27c5bfae849031c61273ce613c0d106b863457813a3e54
 . . . . [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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