is.nibowaka.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:e9:06:c9:c6:8b:75:f0:da:bc:54:06:bb:02:38:d3:4d:eb 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=is.nibowaka.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:e9:06:c9:c6:8b:75:f0:da:bc:54:06:bb:02:38:d3:4d:ebSerial Number (int): 427743958266229240602861866648764905901547
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 01:45:a2:3c:2a:80:b3:d8:e0:b1:e3:da:8e:e9:9b:dc:c6:ba:11:d9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 44:70:15:83:56:31:2b:89:3a:c6:91:9a:8a:06:db:7a:25:90:fc:c6
Fingerprint (sha256): 95:e6:65:ee:ca:0e:55:fe:fb:ad:16:79:0a:24:ff:60:f2:77:be:68:f7:2a:c8:43:f7:78:fa:a3:8f:10:d5:96
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate is.nibowaka.cz
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for is.nibowaka.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
is.nibowaka.cz
Other certificates including the domain name nibowaka.cz
(limited to 100 certificates)
is.nibowaka.cz
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Certificate
The complete raw certificate details for is.nibowaka.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFUjCCBDqgAwIBAgISBOkGycaLdfDavFQGuwI4003rMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTAxOTEwMDhaFw0y MDAzMDkxOTEwMDhaMBkxFzAVBgNVBAMTDmlzLm5pYm93YWthLmN6MIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvmoi/PUzc9jYMA6B948H/NrB7a0G0yzB 95tUcWmva5vq0Fsta7bNs+lD2bcobNucf/nHFcqHd8dkgBwbyFSGNydj4N7wczKx RRVPvMT/zzLSVXpEpUM+0x5xrhgtBE7mDeKnu6NccbITVF8Pgmm66Wgt42Abedvz R+yC1xp6VUTgudFeXV5KPB0/xWEbh50eUtw0MJt7QwubzBftsbz4xPHQsU9WH1yc 0SzHCd4VaT+GYjsvt/prc+lqIkgwcQVs1Xme4/nmKkyK1mUCKh8bNraJ3AvbBJks LCEnGLWd1rxfJaAmRIDKDBqzpKpnizJRBAeLibY4XpE/nW2SiWhFiQIDAQABo4IC YTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQBRaI8KoCz2OCx49qO6ZvcxroR 2TAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRj MGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5v cmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5v cmcvMBkGA1UdEQQSMBCCDmlzLm5pYm93YWthLmN6MEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADuAHUAsh4FzIuizYog Todm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFu8W7rCAAABAMARjBEAiBSJ/6k3v0p bK/khxtk/R+XD7WvaiHEYiTKXfvCTaf+yQIgUpuX4VS9o15lMioHLMwljQBI+tp9 S4Oslm1ytLIhkzEAdQBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAA AW7xbus8AAAEAwBGMEQCIHbSkZf84rpKz46SX7zIWWi/pMWGTljCsLrFr7WnTNcR AiBgFktAcCnOnDlra+YRkDV5IXXvanCIu1Q0K/huwT07TzANBgkqhkiG9w0BAQsF AAOCAQEAHd1opeAfhCV+uOudGVXfZpLiBAn6xythnDfj9sbIyhZFw6JJYsIGxAeD nbT1zswJpfePr8o2oJvdFsKLjghitCP5Lnlzz8FOorVEp7mlKjDHiDYnyY3axwJO un20zOGOiLYYvHVjofhym+X1s8bWlAtfQEfET0m6MkgvhiRxVhtM7TDY6LbIswEN xSmXIgqianZgrl5VClXsR57j9KM4WLBQvKH2boa+RWqIN1tyvWLtnIMdS4jKn8Dl LQeM/uNDoWXq10acL7bn/qaaT0Y9JwXlR7Jjd6a72Eyt7MJ6aDOCLua1KUskWIvV oR8eDmeeGBcSEs2jbm9tiBAmDqoZQg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvmoi/PUzc9jYMA6B948H /NrB7a0G0yzB95tUcWmva5vq0Fsta7bNs+lD2bcobNucf/nHFcqHd8dkgBwbyFSG Nydj4N7wczKxRRVPvMT/zzLSVXpEpUM+0x5xrhgtBE7mDeKnu6NccbITVF8Pgmm6 6Wgt42AbedvzR+yC1xp6VUTgudFeXV5KPB0/xWEbh50eUtw0MJt7QwubzBftsbz4 xPHQsU9WH1yc0SzHCd4VaT+GYjsvt/prc+lqIkgwcQVs1Xme4/nmKkyK1mUCKh8b NraJ3AvbBJksLCEnGLWd1rxfJaAmRIDKDBqzpKpnizJRBAeLibY4XpE/nW2SiWhF iQIDAQAB -----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 427743958266229240602861866648764905901547 . . . . . . . . [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 2019-12-10 19:10:08 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-09 19:10:08 +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 'is.nibowaka.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 24037615887338920686682067146973590269556127329543831773143244941324671498406676925579643384270153290471751299733626573045344749400610900506189883756054477882094017898019635887298323454851588892402861189899268963097844554431120834752683368074098210188311169053167854683264015122587388674459118335988624466987292745859859791281065210944976835659046808295602771868975149480412156868583619899414551264885842382383008760602057788231717493477792831282493842393058048196239898230726905448986230441262234009624487509123977420318576762023096116084986770025969949340207790153911450988054183876238830554840436258105066913285513 . . . . . . . . . . . . . . . . . . . . [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) 0145a23c2a80b3d8e0b1e3da8ee99bdcc6ba11d9 . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'is.nibowaka.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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef16eeb08000004030046304402205227fea4defd296cafe4871b64fd1f970fb5af6a21c46224ca5dfbc24da7fec90220529b97e154bda35e65322a072ccc258d0048fada7d4b83ac966d72b4b22193310075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ef16eeb3c0000040300463044022076d29197fce2ba4acf8e925fbcc85968bfa4c5864e58c2b0bac5afb5a74cd711022060164b407029ce9c396b6be6119035792175ef6a7088bb54342bf86ec13d3b4f . . . . [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) 001ddd68a5e01f84257eb8eb9d1955df6692e20409fac72b619c37e3f6c6c8ca1645c3a24962c206c407839db4f5cecc09a5f78fafca36a09bdd16c28b8e0862b423f92e7973cfc14ea2b544a7b9a52a30c7883627c98ddac7024eba7db4cce18e88b618bc7563a1f8729be5f5b3c6d6940b5f4047c44f49ba32482f862471561b4ced30d8e8b6c8b3010dc52997220aa26a7660ae5e550a55ec479ee3f4a33858b050bca1f66e86be456a88375b72bd62ed9c831d4b88ca9fc0e52d078cfee343a165ead7469c2fb6e7fea69a4f463d2705e547b26377a6bbd84cadecc27a6833822ee6b5294b24588bd5a11f1e0e679e18171212cda36e6f6d8810260eaa1942