www.abhijit-kar.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:63:f5:25:85:29:32:c7:1b:fb:1f:4a:a7:63:76:ac:e0:d1 was issued on by Let's Encrypt.

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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.abhijit-kar.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:63:f5:25:85:29:32:c7:1b:fb:1f:4a:a7:63:76:ac:e0:d1
Serial Number (int): 295350667795229264907851930391028238704849
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 63:4e:15:85:56:5a:a4:94:02:c2:16:42:a4:a5:97:9a:38:02:57:97
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:ec:ab:02:61:62:48:8c:27:ae:50:20:1f:4a:10:f9:b2:e1:34:a2
Fingerprint (sha256): e4:30:1b:71:06:91:22:78:41:9c:d6:86:1f:9a:e1:08:7d:50:60:af:f0:6a:86:32:aa:22:15:38:2b:7b:da:f7

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.abhijit-kar.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.abhijit-kar.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

www.abhijit-kar.com

Other certificates including the domain name abhijit-kar.com

(limited to 100 certificates)
www.abhijit-kar.com
awards.abhijit-kar.com
stackoverflow.abhijit-kar.com
resume.abhijit-kar.com
faq.abhijit-kar.com
stackoverflow.abhijit-kar.com
blog.abhijit-kar.com
skills.abhijit-kar.com
dont-letim.abhijit-kar.com
coinverso.org
www.abhijit-kar.com
contact.abhijit-kar.com
github.abhijit-kar.com
dont-letim.abhijit-kar.com
skills.abhijit-kar.com
about.abhijit-kar.com
www.abhijit-kar.com
github.abhijit-kar.com
dont-letim.abhijit-kar.com
www.abhijit-kar.com
www.abhijit-kar.com
linkedin.abhijit-kar.com
stackoverflow.abhijit-kar.com
linkedin.abhijit-kar.com
stackoverflow.abhijit-kar.com
linkedin.abhijit-kar.com
www.abhijit-kar.com
education.abhijit-kar.com
stackoverflow.abhijit-kar.com
education.abhijit-kar.com
www.abhijit-kar.com
www.abhijit-kar.com
dont-letim.abhijit-kar.com
skills.abhijit-kar.com
dont-letim.abhijit-kar.com
projects.abhijit-kar.com
www.abhijit-kar.com
resume.abhijit-kar.com
linkedin.abhijit-kar.com
linkedin.abhijit-kar.com
dont-letim.abhijit-kar.com
projects.abhijit-kar.com
blog.abhijit-kar.com
dont-letim.abhijit-kar.com
leetcode.abhijit-kar.com
contact.abhijit-kar.com
faq.abhijit-kar.com
dont-letim.abhijit-kar.com
www.abhijit-kar.com
linkedin.abhijit-kar.com
www.abhijit-kar.com
dont-letim.abhijit-kar.com
www.abhijit-kar.com
awards.abhijit-kar.com
www.abhijit-kar.com
dont-letim.abhijit-kar.com
stackoverflow.abhijit-kar.com
about.abhijit-kar.com
experience.abhijit-kar.com
github.abhijit-kar.com
experience.abhijit-kar.com

Certificate

The complete raw certificate details for www.abhijit-kar.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq8cbDO3GAfjqqbPPCBdP
ost8NMRmEubv85gXecll7mZMH5qSfTPuB/ouFWL3tPMf1U8usWeoSUK/48yatzBG
wmj1KKlkaW9MS2QkydztRp+kH8LvbzbQvGknuOLWGHBALLT17o/3DYxuA5LnXdY+
vLvJWygQoFr2N/XhnhUjcm6OaQEJpIykydfbBQGQSEuQIIw4egpgdHkYJjCOYAsX
uSSggN8/FADTCec0RzVjfFTSoJ3hV9HLE9M8MCSXjuo0AJ/MbAxq91S8XmDcRjHC
Cd7Zw+NjHo8cxZCQ6NqGvn3xwx8ahmmbC+CyDEcIyJJZK2Yv+qE4oS8QZfaX/RaH
MwIDAQAB
-----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 295350667795229264907851930391028238704849
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-05 17:58:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-03 17:58:26 +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 'www.abhijit-kar.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 21684932812432339646485683289655448296763540159596927263572843107755452821772205858541782411956564211973624337617207176622427042211013286642959366491304222944727866775172072982367814387353074518963001766468903543469337743825150329977113528125897698254486215006583088920422238693934709511770745506935307541283380282216423639407749721171137985135319637461835549367631299935702939510878201137001564437372006570938688782647412537759804896865989512853861860648627621268112490228810625334887949996480090147872368112925042345727211662765214683746309439757755278105132904504583883278031982199528718312111745903516814279083827
 . . . . . . . . . . . . . . . . . . . . [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)
							634e1585565aa49402c21642a4a5979a38025797
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.abhijit-kar.com'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e3ceeb1980000040300473045022051fb373a180229ab8a7de458c4eb3a1c4aaae61f839e3e167752e674bc95c1490221009d76b7a80d77802200ad37389ebd45a1c6fe49cbfcaf4c334a53cb88483470c30076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e3ceeb23b00000403004730450221008a2d4a6a38d6504c81df9380bf8f8b738b26a878e69d0ccb553b7b6c672d4f090220698c2c566fca6fd9584f836e70f0f555557f742e86c3e9232f611a67764aec4c
 . . . . [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)
		0031a56507aff12c54e182053bb68d1a5884e8795fa7a9f3b886e8f0d0245be537381f71f052c2ddea37154128459f108831194b1c771f9c90b02c0565dc59fc4e1f0505439b41cdf7e875e1a7928173a973a9e0f881892f5e897499668d638616a713313e52fb2340d4921aa1fd84ac39b4ad2e4c972acd5887817b80ce7f2c9a4a5af4d9801f65ff7a0580189db75754056c4bb418963fbf84ae58d8ad38aa111f47fa335bd55f1d2f0fc8f0428fd608562484314bdcba210a1af88d194df2b93857583d77bafebc887774044dd0baad3b72cc734cadb3bf297580836d0705ec0dbad4f8182bb66e25982a59fd240366c23679d73e488bc755a6f034abd44ba8