DV SSL/TLS Certificate for www.osmel.net

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the www.osmel.net DV SSL/TLS Certificate

This certificate with serial number 06:dd:bf:d6:a8:67:78:51:85:8c:a9:81:63:06:09:7a:73:41 for www.osmel.net was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for www.osmel.net provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:dd:bf:d6:a8:67:78:51:85:8c:a9:81:63:06:09:7a:73:41
Serial Number (int): 598131115794454076597275626665352250422081
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 5d:7b:99:18:43:5e:af:4f:3f:45:54:34:c5:36:0f:62:4e:01:30:79
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 6b:df:5d:59:42:da:d1:d1:fd:c7:84:47:6d:a3:ce:7a:be:e6:ba:fd
Fingerprint (SHA-256): 0c:0a:ee:5e:b1:36:06:6b:34:fd:3c:55:9f:30:a6:d1:2e:bc:7a:56:bc:f9:9d:d8:40:e5:93:c1:74:25:f6:0e

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/66.crl

Check the revocation status for certificate www.osmel.net
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.osmel.net

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for www.osmel.net in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFADCCA+igAwIBAgISBt2/1qhneFGFjKmBYwYJenNBMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTEwHhcNMjUwNjExMDcyNzI0WhcNMjUwOTA5MDcyNzIzWjAYMRYwFAYDVQQD
Ew13d3cub3NtZWwubmV0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA
079OjFLatp/5X/YBKFln700XAqTVfJj+uH6bk4xsTecl0Ler+n9K8bvHoLkYNPuQ
MHbyzT5y+JFXlxW+4PGvaHGn9DxS6TSENZhz8bvgqPEmHFKrqRVEOOZAi6gMrb13
jm0/cap89MS0yah32D5G7mFs5KYNoS82iPjnNdY0XAq+mO7GfOEKEVfa8LBXwGF0
ZDwcHFel2YKJgqcxChc0vYfWaF+YjlBXnayKDgL0Db3sO+Ou7DGUZ3QwcLY2Nruq
cfmnDTjlK3vtwkYAFQ3dy1I+LznbJl8oiM5/pXvJt93A1pMaysfVzSQH1fyxc6W2
pObz4XQLPJjs39ZvJCPMdQIDAQABo4ICJzCCAiMwDgYDVR0PAQH/BAQDAgWgMB0G
A1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1Ud
DgQWBBRde5kYQ16vTz9FVDTFNg9iTgEweTAfBgNVHSMEGDAWgBTFz0ak6vTDwHps
lcQtsF6SLybjuTAzBggrBgEFBQcBAQQnMCUwIwYIKwYBBQUHMAKGF2h0dHA6Ly9y
MTEuaS5sZW5jci5vcmcvMCMGA1UdEQQcMBqCCW9zbWVsLm5ldIINd3d3Lm9zbWVs
Lm5ldDATBgNVHSAEDDAKMAgGBmeBDAECATAuBgNVHR8EJzAlMCOgIaAfhh1odHRw
Oi8vcjExLmMubGVuY3Iub3JnLzY2LmNybDCCAQMGCisGAQQB1nkCBAIEgfQEgfEA
7wB2AN3cyjSV1+EWBeeVMvrHn/g9HFDf2wA6FBJ2Ciysu8gqAAABl14YhRkAAAQD
AEcwRQIhAJt/2IKrRaQOtagYkny+dUNtEay50m2ix+Ip+voDnocxAiBzffgrxScT
JlXO5+zCIbP8/OpXkEDx5EvRWP8nlIWhPQB1AO08S9boBsKkogBX28sk4jgB31Ev
7cSGxXAPIN23Pj/gAAABl14YjKoAAAQDAEYwRAIgKZ+//YchhHnUtPhPu459j0yw
7xqPL9Qvwj8d2bPR8scCIAEbKXdYPPSzccP5cRPkXRpZCfkN3jqHIufxoTV2rr9/
MA0GCSqGSIb3DQEBCwUAA4IBAQAVGUqS5MQnGY+bhGwtxHFEwZJ9k22q4+z6ALJo
1WadaJvcJDiOrNCkzBWTJPhsHCDKgtrczm5CkRLEBrkuXa8wn0igHsU2cQnRxfSp
1Q6amwp/Gwl/3vojStKUSmOGU4hoOuourkB2QgZFFDR/o4EWP1iEjSSEKiabaY3Y
cSIZru6mpvOBbJ+OfzZMEHwceQrAUyCX1+Ar4I8g/B6Cbj+IpT9c71eXn99gV9UN
PIAYBT8UBfMgh/BI1BxB6AYw2GuwJoSdyCLvlIpvrnLTDiVbDb+IFe/Sp3uHiiEu
qkp4pF+aY3CyuF4s5H7VEaosYd8jlZFrbUVZLPC2PKH/Kiol
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA079OjFLatp/5X/YBKFln
700XAqTVfJj+uH6bk4xsTecl0Ler+n9K8bvHoLkYNPuQMHbyzT5y+JFXlxW+4PGv
aHGn9DxS6TSENZhz8bvgqPEmHFKrqRVEOOZAi6gMrb13jm0/cap89MS0yah32D5G
7mFs5KYNoS82iPjnNdY0XAq+mO7GfOEKEVfa8LBXwGF0ZDwcHFel2YKJgqcxChc0
vYfWaF+YjlBXnayKDgL0Db3sO+Ou7DGUZ3QwcLY2NruqcfmnDTjlK3vtwkYAFQ3d
y1I+LznbJl8oiM5/pXvJt93A1pMaysfVzSQH1fyxc6W2pObz4XQLPJjs39ZvJCPM
dQIDAQAB
-----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 598131115794454076597275626665352250422081
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-11 07:27:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-09 07:27:23 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.osmel.net'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 26730619261039944747116765736106826936838186225125100097998372304145747255837044446416294425275186242664136588073398413833926211279172468308934558856492665779504046371204389778430415611344698322927346158006250038257508769684654077536831307452925941334830028693872453450757979159980682591957440550753573202155334740093045616177046640857294041022431621670181870480033273955793234128483387855986813270034154283705203410983068127168817391333618354700262232504243474891272554447818178021090074249678119938076231251570000243024800323487043285694565583731889438033394636559278851320431166534927490818254152608159219883166837
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							5d7b9918435eaf4f3f455434c5360f624e013079
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'osmel.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.osmel.net'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/66.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001975e18851900000403004730450221009b7fd882ab45a40eb5a818927cbe75436d11acb9d26da2c7e229fafa039e87310220737df82bc527132655cee7ecc221b3fcfcea579040f1e44bd158ff279485a13d007500ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001975e188caa00000403004630440220299fbffd87218479d4b4f84fbb8e7d8f4cb0ef1a8f2fd42fc23f1dd9b3d1f2c70220011b2977583cf4b371c3f97113e45d1a5909f90dde3a8722e7f1a13576aebf7f
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		0015194a92e4c427198f9b846c2dc47144c1927d936daae3ecfa00b268d5669d689bdc24388eacd0a4cc159324f86c1c20ca82dadcce6e429112c406b92e5daf309f48a01ec5367109d1c5f4a9d50e9a9b0a7f1b097fdefa234ad2944a63865388683aea2eae407642064514347fa381163f58848d24842a269b698dd8712219aeeea6a6f3816c9f8e7f364c107c1c790ac0532097d7e02be08f20fc1e826e3f88a53f5cef57979fdf6057d50d3c8018053f1405f32087f048d41c41e80630d86bb026849dc822ef948a6fae72d30e255b0dbf8815efd2a77b878a212eaa4a78a45f9a6370b2b85e2ce47ed511aa2c61df2395916b6d45592cf0b63ca1ff2a2a25