krishnachikan.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:84:70:ba:f5:59:6e:49:37:4e:05:c1:95:56:99:40:2b:5c 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=krishnachikan.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:84:70:ba:f5:59:6e:49:37:4e:05:c1:95:56:99:40:2b:5c
Serial Number (int): 306403974507864006395004656862471177382748
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8e:33:46:92:f3:41:a5:b0:80:71:95:c6:bb:b9:7f:6a:d1:96:b6:f6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a5:83:b4:f5:82:c5:be:c9:cf:82:70:55:8d:96:39:61:d0:de:63:65
Fingerprint (sha256): c6:4b:dd:29:7c:9e:3a:0b:92:62:03:f7:7a:84:57:81:21:bc:29:36:59:c2:b3:53:80:88:cc:f5:ac:71:c2:09

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 krishnachikan.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for krishnachikan.com

Public Key Algorithm

RSA

Key Size

4096

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

krishnachikan.com

Other certificates including the domain name krishnachikan.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 306403974507864006395004656862471177382748
 . . . . . . . . [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 2019-12-18 03:02:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 03:02:17 +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 'krishnachikan.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 942716164118735594626549714048666353631218209810656839381023289595158504614317775858672099115144987219074739712420408769989193959274187141244672677109976562101601800756300645901447618908995452635384692667659452197906308421560847073848560112750098342088214504530980286447730771488407378959875705530434831854691896571752033549274040665252578009684004894175551888125353467196381198606831696263099614853506831872866471671398908129820464901874231113891990355776057147870229083320734710166157475781004041312215706818598237633336524300014273371095120337470038917999371374325121206337481369543760271341441373919145975508366042820884219372021307390903816007319490528052192835125430267429529247968130119304966671325966418122590882044294271413945070692124718910746210267401331982379815773961051948692361391800802395031373658785489515444259533808006033275929650260407966501188728932620962050645435371971157750848216841326357536546174561954455127747176258812084989648875408736570389986792863058447549071963468179141233130441148076437260486524536264656305530088851525646663020079391853731093689189786013671076344787227763264966704107579132324341731377605714253265863686515562687324105690137633184344053067263158533797283427224935879141839993814977
 . . . . . . . . . . . . . . . . . . . . [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)
							8e334692f341a5b0807195c6bbb97f6ad196b6f6
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'krishnachikan.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f172bb4f80000040300473045022070d735d8701f1bb91dc6fa0a3d3054c43a09f415b23b909394184c00b8aebb5a022100d7b9f905db2b0172a262fc17c0a6343446e2ac4369ecfc1ee893e916c2a5b10d00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f172bb54d0000040300463044022053501d750d4b74229b8cfb574f545f8b8318bb04d29827479c7c4c6ae36c1820022048eca2ffdddfcdb1f8752326d72b062e11d69b2f5895369093f8194e232eb1f2
 . . . . [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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