www.kak.me

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fb:6d:60:af:27:c9:2d:78:aa:63:6c:9d:1f:c6:56:50:46 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.kak.me

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fb:6d:60:af:27:c9:2d:78:aa:63:6c:9d:1f:c6:56:50:46
Serial Number (int): 346893119757049109878339273954988788174918
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f8:bc:80:2a:14:82:ea:80:c3:97:af:8e:68:1a:fc:52:50:cd:38:34
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 83:b4:cb:20:7a:72:9f:a3:02:78:89:7d:25:fa:ad:e0:52:bc:a8:11
Fingerprint (sha256): 44:81:31:a9:18:04:60:d8:f5:d8:3f:f5:14:e7:99:b9:1f:80:41:5a:94:1a:35:ce:66:99:74:34:a6:1b:76:93

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.kak.me

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.kak.me

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

www.kak.me

Other certificates including the domain name kak.me

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.kak.me 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 346893119757049109878339273954988788174918
 . . . . . . . . [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 2019-12-16 08:27:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 08:27:22 +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.kak.me'
 . . . . . . . . [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 765648225448559080753626315292013058904366441166697905939219189631815529415754937837294143855970088975210679169672944688828651872394120728648460958712561908177736978942783668013712530260621889690459018134430828852788542664013962661733954367365126553478108932821903814885873818346818920427085836111627245465231864676492121633868887093567690816717514863677431247329937327071946429695941791099213348748306499351778254049826197249301166456899657086596487870349900435887805056143707886724051381038007876524627146050847196641959024120711132616994392205316621019613281223146865408935533730593405852440679172410470575148382383849344930152457001510972445016158059514066886895836440615277929741740825291458355889291233058791146199487071731069008243403494571977406305207466398655102424844289275518899103531620379689493856115797248359289028593907067711988161756333046502265404812542068208716472879051186587772879135386017799010232527847970835197319288524110704486261282363026546408108725041408876713041830788634739585878938144263386769856629181404212023898998403087002157052607106566925708821955702767958946718187593510704367753652356579910843016209072270262967321536155579509688490567627567178787695248571892468204000372634108494144421213782111
 . . . . . . . . . . . . . . . . . . . . [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)
							f8bc802a1482ea80c397af8e681afc5250cd3834
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kak.me'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f0e089c010000040300483046022100d51415831189693722072fde0f372bdb62a7f29dcd5cc3890a42ef1f6281ebab022100c7f574ec30a9173279b4bd9c012b9ba0f74036971f6b519a36114d8fa9fb66e40076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f0e089c3a0000040300473045022100b24033659c7dd39815c48d5cac2b621beac8929805a244964656f4c73b1eeb390220267a7043d99a7c8d8f3983a188803e9aeb6a2d3aee5a3ae1639fe15cc3edb1e9
 . . . . [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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