DV SSL/TLS Certificate for clcl.lk

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the clcl.lk DV SSL/TLS Certificate

This certificate with serial number 06:9b:fa:20:43:69:3f:17:0b:14:2f:f4:c1:61:77:76:f0:23 for clcl.lk 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 clcl.lk 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): 06:9b:fa:20:43:69:3f:17:0b:14:2f:f4:c1:61:77:76:f0:23
Serial Number (int): 575749956983012569721167217428140045824035
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 66:10:5a:90:9f:77:44:de:63:4e:30:66:00:d8:7f:46:d1:0d:1e:dd
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): fa:88:85:05:33:9d:31:99:d4:89:16:93:06:69:6d:5a:4a:08:96:db
Fingerprint (SHA-256): 2e:80:4c:9f:ea:13:93:19:34:ec:60:a7:cb:76:3c:0f:6c:1a:1f:e6:24:95:91:d6:dc:0b:57:61:01:b8:45:dd

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/36.crl

Check the revocation status for certificate clcl.lk
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for clcl.lk

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 clcl.lk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuZy/ckMyOfowzENGhgwy
gOWym5xTCluTzPf5bVG0ToAtxIrU+M7YM0AfZj+jlc3Ba5xOxsNuLcEzS2mjHZiH
0bcE7Q93dVHLJroFcuBTFXyp44YbgVBkHA/hmoymyOpfIzag64NdcfisAjdzSUfs
REzbc0Sl4FjLOBznigquABa4E2409pCsHpTz91YvL6x0uovrtSivzUAPJANo+/2v
2nD1wr6w1hlCQ39OxfPpFkBsVNI/G/Vyv0mc3zaJyXqKdR8DvLyrEqu+BCs5PHMC
T4oDWnMb71zPUj7U+I42ZLfMa0a+6X6UTFq1CfkdCW4ScYxCn7i4qPyEedob/pTd
8QIDAQAB
-----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 575749956983012569721167217428140045824035
 . . . . . . . . [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 2025-05-18 05:12:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-16 05:12:09 +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 'clcl.lk'
 . . . . . . . . [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 23431381658105373680632977278528807585808340080797887277946204920804988620119215806520375846097897174909322771658465388000075575253581550365236009325835325253352871430352754720563501329185974508774526304854787209829013825820820163532537001103773484324999627335992621920773123103785845836879543800211608102006305846190662788532733948080556855906868152298034460005540922468582754144541399975855170855914621095282380214612057127003459205236933543484978352901455034988870662114998400598782795227711510062179322409880068999408392461164074687150289430977721247299649287071772556585448283130913348295823219055442302342585841
 . . . . . . . . . . . . . . . . . . . . [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)
							66105a909f7744de634e306600d87f46d10d1edd
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'clcl.lk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.clcl.lk'
 . . . . . . . . . . . . . . . . [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/36.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)
							00ef00750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000196e204144100000403004630440220406b9499becb27b32575fe099ed686893cbdc7e064da88c7adc5bccaa85ddb4f02200c3fe10d0ff48d6d09b381ff2dd4f36e529e8f7b43d3e6db04bf63be6bdb3f8e007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000196e20423cf000004030047304502205ed18ec323865cf6d6c3350d4a7618948345ad1686b52fb24f1a05891d2f4ab1022100a3ab8de3911685bb53442e7eea8c9454c8a47feefa8785687b8c2cf9d3d88641
 . . . . [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)
		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