www.akraji.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:3f:ed:dc:4a:d8:44:d0:9d:c7:e9:e4:24:c2:30:0f:e7:a3 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:
  • 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=www.akraji.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:3f:ed:dc:4a:d8:44:d0:9d:c7:e9:e4:24:c2:30:0f:e7:a3
Serial Number (int): 370203103701402903464287010377979103537059
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d6:09:15:1d:5a:ad:04:e0:c3:08:31:81:a8:64:21:76:f1:b9:ee:3e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6b:f6:82:8b:de:f3:16:e5:fe:68:b1:17:7c:13:ee:3f:0b:95:09:d3
Fingerprint (sha256): 69:52:dc:32:f9:d5:32:6f:3c:a1:8a:df:fe:c9:b7:ba:57:ad:96:dc:03:dc:8c:e5:4e:dd:43:52:31:7f:f4:86

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

Revocation information

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

Check the revocation status for certificate www.akraji.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.akraji.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

akraji.cz
www.akraji.cz

Other certificates including the domain name akraji.cz

(limited to 100 certificates)
www.akraji.cz
www.akraji.cz
akraji.cz
www.akraji.cz
akraji.cz
www.akraji.cz
www.akraji.cz
www.akraji.cz
akraji.cz
www.akraji.cz
www.akraji.cz

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE8TCCA9mgAwIBAgISBD/t3ErYRNCdx+nkJMIwD+ejMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMjIyMzU2NTFaFw0yNDA0MjEyMzU2NTBaMBgxFjAUBgNVBAMT
DXd3dy5ha3JhamkuY3owggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCW
rt/HBt1ENs7mWAib14cd1gWsd6Rxqx5txhknVOwBh/PqZegvj0KWjoe7oEZZ4oZV
ID5wsEM6Fcaox7MIBWbXthVVPdpFExbLSrriZ6qE5NcMmSTDTFMd9qCoNrJodsa2
Qyema7pDlJJHvC4P+mhj96O7kFjA/eAW7iRheYSeJhiDLEz43Iu/1CeppGfErY6l
Y4uETGjlId8QCklx5ivFcpvBVdq3ErQQAVEd631dSFeGQNV7wgLskrr0PKdv5vaP
MwKW8TwsfTG24AWGaiuAITaY1hXArSj4strsj0+bS5afgNhTTLKxV50UNJOIaAlC
2Db5Jhs/SiBEKp0XJFA3AgMBAAGjggIZMIICFTAOBgNVHQ8BAf8EBAMCBaAwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O
BBYEFNYJFR1arQTgwwgxgahkIXbxue4+MB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ
QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz
Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv
MCMGA1UdEQQcMBqCCWFrcmFqaS5jeoINd3d3LmFrcmFqaS5jejATBgNVHSAEDDAK
MAgGBmeBDAECATCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB0AEiw42vapkc0D+Vq
AvqdMOscUgHLVt0sgdm7v6s52IRzAAABjTPR7N8AAAQDAEUwQwIfGe1lSWZWb8Vb
1VCaFyYqv0ipYKNgmEsaRatR8VlezAIgFKPMjH09ArovWviXVM3WVgtgoSKTv8jl
Qx5Gcm4SnoEAdwDuzdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAY0z
0e1EAAAEAwBIMEYCIQDgZ4UPSoC3e5YEvFXTesPP7JzMnApGHY1TZOysluhnQgIh
APWACfxUrWPDqaQ99AUkvvrjbQqqYOGVJd3FxD6vTCIRMA0GCSqGSIb3DQEBCwUA
A4IBAQBtR2gMLZYThyDZoxCTlQcpKSaJm7aklnCMcqo3zSs+huXhKfEkVk2OjhVB
HUbP249St8xod8nYTkkvyO5sVrbymRM/Wo6QXPQd6S9rfPLHXOQ1Q30+O/q/am2U
PAao8AMYSQf1f4/nBq1iYpcLYmmFw1vZoL8OtgRIBfOQzIXCZLqwTyTWkCTh67ED
dGuWeY0WHMy5KgqSo5hRagJynPqfPd4XoBozBWui5zjnfTxQBoXTVJdH1iwGAuLH
iXeyD4ekmIU7amInGJYM19mswPpHW0s97fqFzSYY16JIcH9IJZGkwWI3ckbT0GQh
N27rBDiyc5Rni4ch6dt8H62pFR9O
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlq7fxwbdRDbO5lgIm9eH
HdYFrHekcasebcYZJ1TsAYfz6mXoL49Clo6Hu6BGWeKGVSA+cLBDOhXGqMezCAVm
17YVVT3aRRMWy0q64meqhOTXDJkkw0xTHfagqDayaHbGtkMnpmu6Q5SSR7wuD/po
Y/eju5BYwP3gFu4kYXmEniYYgyxM+NyLv9QnqaRnxK2OpWOLhExo5SHfEApJceYr
xXKbwVXatxK0EAFRHet9XUhXhkDVe8IC7JK69Dynb+b2jzMClvE8LH0xtuAFhmor
gCE2mNYVwK0o+LLa7I9Pm0uWn4DYU0yysVedFDSTiGgJQtg2+SYbP0ogRCqdFyRQ
NwIDAQAB
-----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 370203103701402903464287010377979103537059
 . . . . . . . . [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 2024-01-22 23:56:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-21 23:56:50 +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 'www.akraji.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 19021979392708403925354296133325757241332834395808679867018507046980584692346966375298840690857185160175961661911974902996032719020128208737168241914253858771186108364111463098850420648978932447312953034862190804720315874163788545271573853346778135127491837490235427884958411549484256627877025225743026880009729164077516046853998334308547521518805787674226816888292945438782660660016647515883980073421388709227381133275070064061325785282161558736778073715215166778806453509576996047341699824609186544839208646297036887647656543174804808456885487856303815130146067783210014140892180650431406097037137651577426672898103
 . . . . . . . . . . . . . . . . . . . . [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)
							d609151d5aad04e0c3083181a8642176f1b9ee3e
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'akraji.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.akraji.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00740048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d33d1ecdf0000040300453043021f19ed654966566fc55bd5509a17262abf48a960a360984b1a45ab51f1595ecc022014a3cc8c7d3d02ba2f5af89754cdd6560b60a12293bfc8e5431e46726e129e81007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d33d1ed440000040300483046022100e067850f4a80b77b9604bc55d37ac3cfec9ccc9c0a461d8d5364ecac96e86742022100f58009fc54ad63c3a9a43df40524befae36d0aaa60e19525ddc5c43eaf4c2211
 . . . . [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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