bezouska.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:20:12:79:7c:0e:12:ce:fa:5d:31:c9:57:0b:0e:a6:dd:4c was issued on by Let's Encrypt.
With 2 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=bezouska.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:20:12:79:7c:0e:12:ce:fa:5d:31:c9:57:0b:0e:a6:dd:4cSerial Number (int): 272250450424728588049768220193720732409164
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7c:38:d5:6a:e2:fc:a5:e4:b4:89:e6:6e:de:ad:67:bf:cf:1a:e4:7a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f6:40:9c:b3:8e:7a:9a:9c:f5:1d:eb:27:a1:fb:26:24:72:6e:ac:21
Fingerprint (sha256): db:ad:04:7d:1f:8e:42:ea:c3:2f:91:b6:88:26:99:87:e1:12:1c:67:63:3d:25:21:7b:28:a2:7a:a6:38:b0:d4
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate bezouska.cz
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for bezouska.cz
Public Key Algorithm
RSA
Key Size
4096
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
bezouska.cz
www.bezouska.cz
www.bezouska.cz
Other certificates including the domain name bezouska.cz
(limited to 100 certificates)
Certificate
The complete raw certificate details for bezouska.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGYTCCBUmgAwIBAgISAyASeXwOEs76XTHJVwsOpt1MMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MTYyMTQ0MjlaFw0x OTExMTQyMTQ0MjlaMBYxFDASBgNVBAMTC2Jlem91c2thLmN6MIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEApY66DwsCRA7ryJRidbbYjHMGdLdorb4gALKl De180C2kP5AdCuz6mOn0tKXpHebRNC/YtqAiS4fM55TkW/xxpBidU8DReaCEN1nP 3x91DHIzcTZM/orXiwjPCeypwz4KILL4W/LRFlnZ1eX89t+XwOm2ptQSgdxiGIPP +0BDenTKmdVgc4LaTFeOxrbwiT76ExoIiHPhf3C2u98lMUaUkf8rUQuDWpVDE3xM K4ml+axYLb9YDKWrNlwPoIPcUIs4r0G+6PN5Lit3rcqDqz1NbJKEW8CR1LgNaRFj +2cixY6YeCYUcREe5Mud+Zr52ljgtl7jkwc/HU/82cvt7hPWxANBwzja3O9GctAr vyNpwBFHJvi6Z/WvMVSVLZ8Els2OHXw4wMT1wvgcAeck/4mJtpwDl4UmVIFyt5k8 3RNFHDeKjo+Os326GeZIoPVIHBJ8w3vc05A3aNI+9HJDLQL53owvn7A45UsJ9DAU YEX5JBv6g3RCz0cSACyZbgYMEHCzS0bhGX3CfTQyke8hDcnZSheGZhVQax+Grq8t GHrxTxbN/ltJIwGDy29oEFoEocGGTdg1TvVpwbQAMYMN2Yu98WlLuqluWRauOU4Z qcZ/tNv0kOf9f82H2uCF0+VXuKJeJp8lKnepChsbyNlJIK8f9Li9SeW+5Xz8DywG 9RmwDYMCAwEAAaOCAnMwggJvMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUfDjVauL8 peS0ieZu3q1nv88a5HowHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAnBgNVHREEIDAeggtiZXpvdXNrYS5jeoIPd3d3LmJl em91c2thLmN6MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgw JgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBgYKKwYB BAHWeQIEAgSB9wSB9ADyAHcAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL 2I0AAAFsnJqMxQAABAMASDBGAiEA6WovEgG2JZnlq+n7IlBsduxT0ZUCGhfJMKfi X9yQQ50CIQC7lM/6DR9cECPLsCL+a6Y84Yu1paZgIOsjnlNgArQEbwB3AHR+2oMx rTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABbJyajpYAAAQDAEgwRgIhAI8T H9iz7DJEJRTR+FGYRxgb6qUQ7Ka7AQxWISdGi2bVAiEAxhUuWaOzAMEkLlVGvJiY U0NIsf/MXO0LtNzeTXjmr+IwDQYJKoZIhvcNAQELBQADggEBAACnPOcqv9qp56cT P6QRvQ2bRkbsa8i4K9y1NdiiUFds/gJoaxv3nP+R79dMg5ouBNaBfkwOvjInu8Kt GjAGDrBIifN0g1ilA6DH9IdRnVheW97k1Bsm0FWATjUYq1YwSDbEoSo3UZV5ZGNI TVoTisrI/nEbOgQpdRcBSOObMf7D+m9PN4gq7KlxhUPT0J3WVRioHbPKS699DMhc fGtsDiUD2u1Xs+MHfKehhhefzBJjfKb3VF23Ust7rFSeWqa4XeZNBzuwseHi+Vvd IhTWSLK8a+DioHJk/8yitaWc5+fkHVdW3QX5+7oK0KFNYKoO9B+sUyhykeSjMaPS gXhIZ9w= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEApY66DwsCRA7ryJRidbbY jHMGdLdorb4gALKlDe180C2kP5AdCuz6mOn0tKXpHebRNC/YtqAiS4fM55TkW/xx pBidU8DReaCEN1nP3x91DHIzcTZM/orXiwjPCeypwz4KILL4W/LRFlnZ1eX89t+X wOm2ptQSgdxiGIPP+0BDenTKmdVgc4LaTFeOxrbwiT76ExoIiHPhf3C2u98lMUaU kf8rUQuDWpVDE3xMK4ml+axYLb9YDKWrNlwPoIPcUIs4r0G+6PN5Lit3rcqDqz1N bJKEW8CR1LgNaRFj+2cixY6YeCYUcREe5Mud+Zr52ljgtl7jkwc/HU/82cvt7hPW xANBwzja3O9GctArvyNpwBFHJvi6Z/WvMVSVLZ8Els2OHXw4wMT1wvgcAeck/4mJ tpwDl4UmVIFyt5k83RNFHDeKjo+Os326GeZIoPVIHBJ8w3vc05A3aNI+9HJDLQL5 3owvn7A45UsJ9DAUYEX5JBv6g3RCz0cSACyZbgYMEHCzS0bhGX3CfTQyke8hDcnZ SheGZhVQax+Grq8tGHrxTxbN/ltJIwGDy29oEFoEocGGTdg1TvVpwbQAMYMN2Yu9 8WlLuqluWRauOU4ZqcZ/tNv0kOf9f82H2uCF0+VXuKJeJp8lKnepChsbyNlJIK8f 9Li9SeW+5Xz8DywG9RmwDYMCAwEAAQ== -----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 272250450424728588049768220193720732409164 . . . . . . . . [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 2019-08-16 21:44:29 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-14 21:44:29 +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 'bezouska.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 675415781029904656702254767120418399194964566720489993189559025067819027742909184119900553732267272487210447729961164728031742665210174458433851718126051860634042339672939012239706831640796009608143003936310962220685059219300712802989413136673118422208479926597939381734765183838939897671745775268650839421238015772765127668233057776597832437216694297360450255742200925285323386646923641214470295890807524876459026031489866031959774402493272646617260236107706732319701960235538652821104854352086868103562086814493766805861475987105961276207641451560818349986622844619019951894938707776744787201567876941112587452242980411394983376307133936202035140985645061837777895293232478064370359810288067543150915490521662286836584838417884507497080791071000956941164473338387519412624267908308901176226569797898751549888190251599970098945321293123910694715143361158225503789657676999770365017441977257610176862528608522210468454482856192735927335719658491270879038180806155143756717490989322193662359038510394072267723310036081614591083138091833055933092576044522397581197414875929707209774844662937862576918173919431007895146627017422927853037766820716253163986054573023512352284928892633531688308458191994742978071297023372415535157710163331 . . . . . . . . . . . . . . . . . . . . [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) 7c38d56ae2fca5e4b489e66edead67bfcf1ae47a . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bezouska.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bezouska.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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f200770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c9c9a8cc50000040300483046022100e96a2f1201b62599e5abe9fb22506c76ec53d195021a17c930a7e25fdc90439d022100bb94cffa0d1f5c1023cbb022fe6ba63ce18bb5a5a66020eb239e536002b4046f007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c9c9a8e9600000403004830460221008f131fd8b3ec32442514d1f8519847181beaa510eca6bb010c562127468b66d5022100c6152e59a3b300c1242e5546bc9898534348b1ffcc5ced0bb4dcde4d78e6afe2 . . . . [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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