cheb.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:4f:fd:82:88:e1:6f:4f:f4:07:9e:a6:9b:8b:51:51:54:b8 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=cheb.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4f:fd:82:88:e1:6f:4f:f4:07:9e:a6:9b:8b:51:51:54:b8
Serial Number (int): 288556137239828563952879218143624409732280
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e5:2d:16:d7:31:c9:92:48:28:3f:16:97:86:2c:21:7c:c4:7e:ad:d0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cc:af:fc:42:0a:65:5c:c7:e1:eb:9b:0e:ce:f2:ba:87:23:fe:da:70
Fingerprint (sha256): 5a:27:26:4c:47:36:8e:0e:07:5c:28:7e:74:72:3b:a4:b4:a3:63:e9:8b:46:12:db:cc:21:65:06:b5:bc:fd:79

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

Revocation information

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

Check the revocation status for certificate cheb.cz

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cheb.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

cheb.cz
cheb.eu
mestocheb.cz
mestocheb.eu
www.cheb.cz
www.cheb.eu
www.mestocheb.cz
www.mestocheb.eu

Other certificates including the domain name cheb.cz

(limited to 100 certificates)
ssl.cheb.cz
cheb.cz
zakazky.cheb.cz
*.cheb.cz
cheb.cz
zapisyzs.cheb.cz
cheb.cz
cheb.cz
*.cheb.cz
cheb.cz
cheb.cz
zakazky.cheb.cz
cheb.cz
cheb.cz
*.cheb.cz
cheb.cz
cheb.cz
anonymizace.cheb.cz
zakazky.cheb.cz
cheb.cz
cheb.cz
cheb.cz
cheb.cz
cheb.cz
cheb.cz
*.cheb.cz
cheb.cz
tic.cheb.cz
cheb.cz

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFQDCCBCigAwIBAgISA0/9gojhb0/0B56mm4tRUVS4MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA4MjcxNjA1MThaFw0yMzExMjUxNjA1MTdaMBIxEDAOBgNVBAMT
B2NoZWIuY3owggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC3KClL+7Yt
IbUO9up4X+xOvgAI2G2yRqD2aJ5YEcTvNJS6Nc2xlaYuW5IM64kKJM2bgXpj1oB9
uQZV01ty7p+aVD2arfWDCAy2fEk7t+NmIFr4wGbM4fcIMDLpA+M7YuYH1ADJOAX+
5lmFOOhGtuAS1aVDMRfM2sYWLTKf+Ogq48hWkZD3+i5n7mfyLYlk26NDGVVrGvdC
ebww003jfdTpZwzbCR8P0WUCB+viGXkWEjCWv2cw5c0+4t2XTpsk2HQ7FQwxJEMM
eMBZ7x4xnzQ9jUvbLa9pnC01eQYwWwaFQ4u/1EPNZ0JyF6dhyy8etSbramNiLC2g
vNXjpWOvNcphAgMBAAGjggJuMIICajAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFOUt
FtcxyZJIKD8Wl4YsIXzEfq3QMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52L
FMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVu
Y3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMHUGA1Ud
EQRuMGyCB2NoZWIuY3qCB2NoZWIuZXWCDG1lc3RvY2hlYi5jeoIMbWVzdG9jaGVi
LmV1ggt3d3cuY2hlYi5jeoILd3d3LmNoZWIuZXWCEHd3dy5tZXN0b2NoZWIuY3qC
EHd3dy5tZXN0b2NoZWIuZXUwEwYDVR0gBAwwCjAIBgZngQwBAgEwggEGBgorBgEE
AdZ5AgQCBIH3BIH0APIAdwC3Pvsk35xNunXyOcW6WPRsXfxCz3qfNcSeHQmBJe20
mQAAAYo39QH3AAAEAwBIMEYCIQCHJXA/iIlz9u1bSu4lnP1Zo3N84LrHUZZi8VfD
HaI0TgIhAN08iVlHRyov2dp89OHpZJD3I4tk2mE8H3/X7+Ak+5LgAHcAejKMVNi3
LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS61IAAAGKN/UCBQAABAMASDBGAiEAs5h1
h2Q0XlG/REUM5rYOfMtoFQTP/tHU4H3YyHTe8EwCIQDkL9hD8mr2oPwAG+xgDLiX
f2lRCnwQS3nwGqySB1Lw/jANBgkqhkiG9w0BAQsFAAOCAQEArInGyM318NdYB3EA
p8V1c8k+IuGHfYyEA+vxq+PVrlbPUQHkEIwedRGzV8CF80vUCxC3TmKQ3kashVSk
xABQTIB5gc6la/+e8nW6Qz9FIGeL+1g/1MUB759rcjrlT/vzNyUzoVIYrh2b/j7Q
OH8LMm3AwAlSGB/4O6LyRegS37CNY0vieIYwo1ZAjXG7ShhkNp0PjIhxClq9scQ7
SpvCnKnLh6xpXVrBDtkwRYrc5PLv8ELK8p0dsmW1BFPRZ4+D6SNGnKEhEfarXqmD
1O6oGhfGPlbwpawZDfS5OZUp/g9cM4wJXFMyDOXbf/YmXNPACh4xlevhdx/qHgJO
KtUbMg==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtygpS/u2LSG1DvbqeF/s
Tr4ACNhtskag9mieWBHE7zSUujXNsZWmLluSDOuJCiTNm4F6Y9aAfbkGVdNbcu6f
mlQ9mq31gwgMtnxJO7fjZiBa+MBmzOH3CDAy6QPjO2LmB9QAyTgF/uZZhTjoRrbg
EtWlQzEXzNrGFi0yn/joKuPIVpGQ9/ouZ+5n8i2JZNujQxlVaxr3Qnm8MNNN433U
6WcM2wkfD9FlAgfr4hl5FhIwlr9nMOXNPuLdl06bJNh0OxUMMSRDDHjAWe8eMZ80
PY1L2y2vaZwtNXkGMFsGhUOLv9RDzWdCchenYcsvHrUm62pjYiwtoLzV46VjrzXK
YQIDAQAB
-----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 288556137239828563952879218143624409732280
 . . . . . . . . [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 2023-08-27 16:05:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-25 16:05:17 +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 'cheb.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 23121414091657569161320882155094871358346318003449667320349143324691707490119477431449858876754414806954151061354154413089037060574158578386335692393825359148829699047780839862543228508300206849280199135894381927805691862855325641905473459855498235808076926197145991728408532603822204990772009935116353193777250300076297303207575161537945284841217583432243076213491990603566123206764711453222204174898160282353073705171226255682080308988946624535468743313927705614241169831418409715617952503155175423132897305680887117910108132507856516623583941335312529608508493652919972234766852113696845481642862680384600479746657
 . . . . . . . . . . . . . . . . . . . . [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)
							e52d16d731c99248283f1697862c217cc47eadd0
 . . . . . . . . . . . . . . . . [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 (110 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cheb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cheb.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mestocheb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mestocheb.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cheb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cheb.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mestocheb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mestocheb.eu'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a37f501f700000403004830460221008725703f888973f6ed5b4aee259cfd59a3737ce0bac7519662f157c31da2344e022100dd3c895947472a2fd9da7cf4e1e96490f7238b64da613c1f7fd7efe024fb92e00077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a37f502050000040300483046022100b398758764345e51bf44450ce6b60e7ccb681504cffed1d4e07dd8c874def04c022100e42fd843f26af6a0fc001bec600cb8977f69510a7c104b79f01aac920752f0fe
 . . . . [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)
		00ac89c6c8cdf5f0d758077100a7c57573c93e22e1877d8c8403ebf1abe3d5ae56cf5101e4108c1e7511b357c085f34bd40b10b74e6290de46ac8554a4c400504c807981cea56bff9ef275ba433f4520678bfb583fd4c501ef9f6b723ae54ffbf3372533a15218ae1d9bfe3ed0387f0b326dc0c00952181ff83ba2f245e812dfb08d634be2788630a356408d71bb4a1864369d0f8c88710a5abdb1c43b4a9bc29ca9cb87ac695d5ac10ed930458adce4f2eff042caf29d1db265b50453d1678f83e923469ca12111f6ab5ea983d4eea81a17c63e56f0a5ac190df4b9399529fe0f5c338c095c53320ce5db7ff6265cd3c00a1e3195ebe1771fea1e024e2ad51b32