cnkcon.in

Issued by R3

About this certificate

This digital certificate with serial number 03:c1:24:97:98:4f:b5:8f:13:49:47:2e:0d:f8:27:64:7c:a1 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=cnkcon.in

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c1:24:97:98:4f:b5:8f:13:49:47:2e:0d:f8:27:64:7c:a1
Serial Number (int): 327059993944937233466626802904617533602977
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 30:b9:83:bb:2e:7c:66:3f:48:20:76:b0:df:8d:3b:88:cb:d7:01:87
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ef:c9:fe:2a:0b:ef:c2:d1:b2:56:4e:a3:03:5c:a5:0a:9e:46:42:83
Fingerprint (sha256): f5:f8:d4:8c:02:35:8a:39:a4:d8:7f:e4:70:89:85:77:70:24:e6:89:0b:17:db:57:33:0f:38:83:41:68:91:48

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

Revocation information

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

Check the revocation status for certificate cnkcon.in

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cnkcon.in

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

*.cnkcon.in
cnkcon.in

Other certificates including the domain name cnkcon.in

(limited to 100 certificates)
cnkcon.in
cnkcon.in
cnkcon.in
cnkcon.in
cnkcon.in
cnkcon.in
*.cnkcon.in
cnkcon.in
*.cnkcon.in
cnkcon.in
cnkcon.in

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5qNuX2DpCNMqzAiVp0BS
wfOVQUz4kJWALsQ7sIMUeiQ04WuVqP3JE5W5Yspsq+zyPelljIaK9YyQUunZ5DV/
hPm4c6gaJyFxkkwtATFOvMr2BmEtd4bq/NzaemkSSQ17vQDtaljNBMLpDwEZh96j
2ODuq3lQMmcPIg0IdE2bfqxlCsswmOVwObpHZLqoaAyezW2Z9yyegq+jlGjxtgI1
fzxaPOURW/Aimc4eFXN/MbgJ+FTSpylRZ0j6xcdhNVft3CAC5o3Z45S/7JIesJ8Z
xa+6OHdVaRPplnrgRqDCo/bh/2S8IWmDjEh+EcGLKWNjM1o8MEo8PEaknWfhenoj
nQIDAQAB
-----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 327059993944937233466626802904617533602977
 . . . . . . . . [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 2023-09-19 00:20:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-18 00:20:08 +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 'cnkcon.in'
 . . . . . . . . [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 29115401042402357301903347960819709433705533875956003546341533494727582183348415509972473255103563839307495240563949079870064435769505065702969090820945921045380644624155500126773395774346830544228318560066663395029981544994024011984861027414437343846135441970477896369560954806920001314070315283203474538597032372337316747177638685494738611080949571705695486853285323375458248912275074186072711336734680014310692440423611414136214746847316143081098204124471574157951259232184089005653876614885471616739684750368096438760037542470087502055537602810701643103301549025073880617717742539719443376898961715620585334776733
 . . . . . . . . . . . . . . . . . . . . [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)
							30b983bb2e7c663f482076b0df8d3b88cbd70187
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.cnkcon.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cnkcon.in'
 . . . . . . . . . . . . . . . . [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)
							00f00077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018aab05f7170000040300483046022100e92d225f684e8e0f94e1cd608c7048b95e34049ef0f7cfede7ce8ba77851b763022100d23de3d21ec4b9044c5b1231074a93793d968d930acdf0448e146c4816c3958f007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018aab05f756000004030046304402201b8b01a327728f92d4b4f36012ffca13e522362e17932d0b8e2a84c7b4897d0c02206a91fa8f95ab1ab24f8c75de0c55155b9a1d458ef8c9b599c1365c7592cbead8
 . . . . [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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