DV SSL/TLS Certificate for kkpolymers.in

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the kkpolymers.in DV SSL/TLS Certificate

This certificate with serial number 06:5d:ae:18:ec:79:04:0e:84:23:49:07:3a:e4:c6:7d:70:c5 for kkpolymers.in 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 kkpolymers.in 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): 06:5d:ae:18:ec:79:04:0e:84:23:49:07:3a:e4:c6:7d:70:c5
Serial Number (int): 554551390796836466794609821573021429493957
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: a9:a7:d7:33:5a:f3:fc:96:d9:78:cd:f2:3f:f3:13:5a:ae:2e:20:05
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): ad:88:d7:f7:b5:fd:d4:a5:14:fa:ef:48:ae:f7:ba:e4:cb:e4:fa:e0
Fingerprint (SHA-256): 87:c0:2b:4c:30:a0:81:ae:f6:7f:ae:15:e5:7d:d1:e6:7c:b7:2a:ea:c2:6c:25:bb:a9:89:1f:27:95:7e:b1:27

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/70.crl

Check the revocation status for certificate kkpolymers.in
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for kkpolymers.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for kkpolymers.in in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsQ3WG6Y5D5765ffd0qIt
5N7yYpuq3JeCmgbYjJTdBSpMuaDor49ok35rIQ/dFNQ2eTfcJlS6gCYh5HYmuzHQ
HYq5dqrctkVDpIBeDGFtHCfOcqabZXxptcDWlxtQbECyBATqRiaHqPh2Wg2aeYqN
q7lJpOpHCj+JVgue1NUmlrtBnMCBi8Kg0xV9SIMZGbr3iVOdMuhY31H6qGALQr3Q
4HKlOrV5K4v2AwY8vSv0HsVX+pop1ybljrst3zdaeCFZuyY/ZUVTmsiXwWE6bNYG
dJxrobHoXIZy3cWvU0kv0gqsntWdaNeiD4M+J/tZ4Ncat6Yehxo2Q0iHonC2NjAP
SwIDAQAB
-----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 554551390796836466794609821573021429493957
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-23 01:04:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-21 01:04:23 +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 'kkpolymers.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
 . . . . . . . . . . . . . . . . [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 22351002942105349234036075083473102253669220423064204175296210498858374507187039631327682047790408469770332363773136409605434834340823821568509678505070738650554067758725950466119477266891153732408145236300439369732982952676655694352543631972361882188276086139068591852423426583600717483682148471612247894139257617717638493853722488467981240464284722544476397286511270826811153151253969680062518340935109953054281366334254652757096786295379528666986985426511341756819470937404798957703335281345004956951988079502945549076576450805990643059361307772732018535919853733989122706381326858760125954118451503395904435523403
 . . . . . . . . . . . . . . . . . . . . [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)
							a9a7d7335af3fc96d978cdf23ff3135aae2e2005
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kkpolymers.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kkpolymers.in'
 . . . . . . . . . . . . . . . . [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://r10.c.lencr.org/70.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)
							00ef007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001979a862eaf000004030046304402203d38df1203655013ca5ff1626d190c5f15d34ac690c5f26422a5b9e692ffa05702204e95b284b969d424839507ca9b904971077c60be11f30fe3fcdf7208c7db13c9007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001979a862efa0000040300473045022100ec924d063c6e75c6c3e1581295981fd1acf4da47895955ef36f97eccf814f9f202203a6e3a350f445dd2bcd6793e260210aceeca415ff2e30c8e0071a1709954ac7c
 . . . . [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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