lnk.oisara.ai

Issued by R3

About this certificate

This digital certificate with serial number 04:7f:b9:e7:8f:b8:f8:9e:10:64:8b:97:98:92:07:d6:17:8e 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:
  • 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=lnk.oisara.ai

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:7f:b9:e7:8f:b8:f8:9e:10:64:8b:97:98:92:07:d6:17:8e
Serial Number (int): 391912113840834201022954866244222493005710
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d0:3f:3d:45:9b:77:66:af:16:49:8b:de:83:60:a0:7a:f2:21:20:4d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 15:4c:15:87:f8:e9:3d:8c:2d:6f:7f:26:6e:26:95:95:da:ab:e5:46
Fingerprint (sha256): 7e:62:b8:26:1f:8b:bf:a0:0f:6a:f0:49:fd:4c:a4:ac:be:08:9c:07:0f:22:af:91:9a:f4:c4:c7:a9:85:23:3d

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

Revocation information

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

Check the revocation status for certificate lnk.oisara.ai

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lnk.oisara.ai

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

lnk.oisara.ai

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Certificate

The complete raw certificate details for lnk.oisara.ai 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 391912113840834201022954866244222493005710
 . . . . . . . . [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 2023-12-01 23:03:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-29 23:03:26 +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 'lnk.oisara.ai'
 . . . . . . . . [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 956112971919115243808582926073736516649535477104304139238456386979729595452887997890872389394941294840114282357249300377994265676164098917994715080224605253908589957439031740040671285429312294239401097641811449930350666558906381775875596579846292084868923887098494966745383886090522842053249896463959460918222240026614133016118120131392740927135602624513575192332675083044745584301530709209379356919464136090045964810888625072582947565061887034222181079584621921536963551987774909810739198530583940417910583651167254020597683733891147756826475221563153479894472585233664496352981110580766835382869607649554001152155432275699644097804840892700222296625530757892628629966589674863803808699352473310505532618452708891416145390386641024324263890974717328492412578403582488923623377689385392977051336850665708898099743548887550899920459624336199463123314412705750016966285702497653290165405675871287746521711851807042713388057158903097250078957709134181433893128399392903438161600017564908670283525847353219100871566095831599189639222465844241139570558025366363467873008006537663733714471050890921608326267050632325464240420895993489961140241192392230056955814265626279223265331894021124595729408070673760432312190248131406613935988797471
 . . . . . . . . . . . . . . . . . . . . [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)
							d03f3d459b7766af16498bde8360a07af221204d
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lnk.oisara.ai'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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