levelna.com

Issued by R3

About this certificate

This digital certificate with serial number 04:72:51:59:75:0a:47:21:9e:70:4e:04:8e:bb:3d:71:e8:56 was issued on by Let's Encrypt.

With 5 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=levelna.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:72:51:59:75:0a:47:21:9e:70:4e:04:8e:bb:3d:71:e8:56
Serial Number (int): 387349465511963178537527458008643417532502
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6c:5c:64:ca:a5:da:74:76:db:f2:94:b0:14:78:a5:5e:8b:b4:0b:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:dd:f9:dd:1a:2a:7b:6f:04:23:c5:1a:21:aa:e5:51:f3:bf:04:f1
Fingerprint (sha256): e7:1b:ad:28:b9:70:07:5f:e9:50:8e:cb:87:42:4e:28:67:d1:3a:ab:61:55:4d:c9:e1:24:97:21:d6:c5:b4:5c

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

Revocation information

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

Check the revocation status for certificate levelna.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for levelna.com

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

levelna.com
levelna.cz
payments.levelna.com
www.levelna.com
www.levelna.cz

Other certificates including the domain name levelna.com

(limited to 100 certificates)
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com
levelna.com

Certificate

The complete raw certificate details for levelna.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFJjCCBA6gAwIBAgISBHJRWXUKRyGecE4Ejrs9cehWMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMTcwMjMzMTNaFw0yNDA0MTYwMjMzMTJaMBYxFDASBgNVBAMT
C2xldmVsbmEuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt0l1
iWlgo4uS3etKOMAdxa5AYlcuMWVbOf1qJkIE61RZip3FNQRiwhXinffZ20v31+45
1SFV6ntgCENHDFSGUFMczDNqHVvS5KhACPuoDfZEqwr8G6l3NPD9HgCnJGkCOhjX
pyLKGc7r4IB6mqW2XJheYFUtdWZbE8GBPxQb6y7NHyiFAmwevqZdsQX+rRO+ENf9
r0vhm4dVHRQH2NVZ6SHZP9WpnMCs8ETx1yhNEWI3O15Vy+llvAjY8pNVJualjq8g
1jN1CjaVMEQ3e9EXikBhwNjCJA5hQiFZ/q4Md9pZSdrvDIrHdK5JZCbPuPbJ46Cm
abT03Mb9Y+qWBPG7uQIDAQABo4ICUDCCAkwwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud
JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW
BBRsXGTKpdp0dtvylLAUeKVei7QLjTAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm
H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v
LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzBZ
BgNVHREEUjBQggtsZXZlbG5hLmNvbYIKbGV2ZWxuYS5jeoIUcGF5bWVudHMubGV2
ZWxuYS5jb22CD3d3dy5sZXZlbG5hLmNvbYIOd3d3LmxldmVsbmEuY3owEwYDVR0g
BAwwCjAIBgZngQwBAgEwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgBIsONr2qZH
NA/lagL6nTDrHFIBy1bdLIHZu7+rOdiEcwAAAY0VeuqaAAAEAwBHMEUCIC78GbTr
9d9qB3jH0BBPuhPveiJk1MW6cQuGgobewkTPAiEAldu2F3NTUpSisOuK3ZX69bFF
APFRT3986iKh5J9eP5AAdgB2/4g/Crb7lVHCYcz1h7o0tKTNuyncaEIKn+ZnTFo6
dAAAAY0VeutCAAAEAwBHMEUCIQCSJmwt+9OtkAeuqEzto4anGIL6auxFT3/tJNFq
X8ERZgIgWt0qE4BWM4tIxoOvwP4FVj7MkcprvCIL1e/x+3/W6OcwDQYJKoZIhvcN
AQELBQADggEBAAFdt9LhG2i7p9HRLz5b4tyhwTsPcvXbfqv2Ky7i1/1KL4XZ9yh8
7sbzwzPJifWwtlw+hpYRE8SI85NRRpNJXSMq8lL1u1KvMcvbF8K4jBgBFuY0+rEO
2l7GAp8j4OfFJKxOPZ5iwPSU4H0Trlr0bcK7ttvDiwqhmpAg+IKhEAIe9GllxkVq
sqa895/TGOGPKNLuhSpYtz5USrx5FIboZEzOVx3Ax9YCf0c++h3YnWv6JJzgSnyG
L5ags80OezGnsGN9vLFvgbD0F8wpXUI8dJlzMvZkSM+mflej/0Ws4bGonARpxqeR
2Atfu9//BCvIhAMEs1DigANboyOHKir33J8=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt0l1iWlgo4uS3etKOMAd
xa5AYlcuMWVbOf1qJkIE61RZip3FNQRiwhXinffZ20v31+451SFV6ntgCENHDFSG
UFMczDNqHVvS5KhACPuoDfZEqwr8G6l3NPD9HgCnJGkCOhjXpyLKGc7r4IB6mqW2
XJheYFUtdWZbE8GBPxQb6y7NHyiFAmwevqZdsQX+rRO+ENf9r0vhm4dVHRQH2NVZ
6SHZP9WpnMCs8ETx1yhNEWI3O15Vy+llvAjY8pNVJualjq8g1jN1CjaVMEQ3e9EX
ikBhwNjCJA5hQiFZ/q4Md9pZSdrvDIrHdK5JZCbPuPbJ46CmabT03Mb9Y+qWBPG7
uQIDAQAB
-----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 387349465511963178537527458008643417532502
 . . . . . . . . [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 2024-01-17 02:33:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 02:33:12 +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 'levelna.com'
 . . . . . . . . [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 23137833854886862606378953679007689606304633460472593655435220394399968019347660679158926256346997924772230974268209428771260735452002913947546562237361400069346394828465813480323779887187424882177944719131485673565508903102249458146787821214707885567817189976149800682926184460872824825391990915208287793756481066535875843474361048062088825784514281802166363214915594046899971112158801160498009383420512935477338944457865250407876770308511967671345383308677323713805273960323034759754228732511513602526427804254028612838165135284189948650241795508998809966640646755983975256919983600234252844169529617638388256586681
 . . . . . . . . . . . . . . . . . . . . [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)
							6c5c64caa5da7476dbf294b01478a55e8bb40b8d
 . . . . . . . . . . . . . . . . [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 (82 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'levelna.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'levelna.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'payments.levelna.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.levelna.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.levelna.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d157aea9a000004030047304502202efc19b4ebf5df6a0778c7d0104fba13ef7a2264d4c5ba710b868286dec244cf02210095dbb61773535294a2b0eb8add95faf5b14500f1514f7f7cea22a1e49f5e3f9000760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d157aeb42000004030047304502210092266c2dfbd3ad9007aea84ceda386a71882fa6aec454f7fed24d16a5fc1116602205add2a138056338b48c683afc0fe05563ecc91ca6bbc220bd5eff1fb7fd6e8e7
 . . . . [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)
		00015db7d2e11b68bba7d1d12f3e5be2dca1c13b0f72f5db7eabf62b2ee2d7fd4a2f85d9f7287ceec6f3c333c989f5b0b65c3e86961113c488f393514693495d232af252f5bb52af31cbdb17c2b88c180116e634fab10eda5ec6029f23e0e7c524ac4e3d9e62c0f494e07d13ae5af46dc2bbb6dbc38b0aa19a9020f882a110021ef46965c6456ab2a6bcf79fd318e18f28d2ee852a58b73e544abc791486e8644cce571dc0c7d6027f473efa1dd89d6bfa249ce04a7c862f96a0b3cd0e7b31a7b0637dbcb16f81b0f417cc295d423c74997332f66448cfa67e57a3ff45ace1b1a89c0469c6a791d80b5fbbdfff042bc8840304b350e280035ba323872a2af7dc9f