kristal.ai

Issued by R3

About this certificate

This digital certificate with serial number 04:03:b9:ea:0c:e4:56:81:f4:01:e3:9d:b5:fd:cb:bf:1e:95 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=kristal.ai

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:03:b9:ea:0c:e4:56:81:f4:01:e3:9d:b5:fd:cb:bf:1e:95
Serial Number (int): 349717113265968617674677952326274503351957
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 65:f6:cd:5a:4c:f2:a3:df:f2:15:5b:17:f1:d3:3e:d6:3f:7e:72:1a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 92:5e:4e:df:f0:3b:62:06:ca:d4:dd:21:ab:fd:5e:b6:e9:fa:23:ce
Fingerprint (sha256): 5a:61:4a:23:20:fd:f8:09:e3:6f:5c:ec:1c:11:3a:a2:76:e0:59:70:75:a2:7c:b8:f5:21:30:50:e3:76:ec:a1

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

Revocation information

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

Check the revocation status for certificate kristal.ai

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kristal.ai

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

kristal.ai

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Certificate

The complete raw certificate details for kristal.ai in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr5zRo3FgypbHBZ5laVRC
4IRXIAqCDDCcjQi/dkkEyd4JiNWBnXD3FajNRcVww2teUx6SzJ1yvSUAzZArEf2g
0alYQlY0qgxOiljQC+Ws3NsJA60WIs44JSUEcWQuL9WHl0ACNPP3RbzIhFHsm6HA
MN4t2ZEpx5S4sw0kSI4ccAJHMVYLNw2255kMMjvYY21VGLSKu75ms1tBNDL3CCBS
9MpahHV/sR/KtfQwIW+gHnZKs6Ih7Mt8jfNp1cpsEuwHI4rPwlqoISI6vp2FQzHd
vtFBWJUn0p9ln8MthLoV5Z09EdyrYh9bJL/qA9fC2DPKKu5w5T30ADHWgG8nBefZ
KQIDAQAB
-----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 349717113265968617674677952326274503351957
 . . . . . . . . [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 2022-10-07 18:14:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-01-05 18:14:15 +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 'kristal.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22169033650883256848923062951049344475983156133316336516166281896795041590617423002999041682743256153564608196877372031050256354004713589447532184656859314202604026151700585260828817743689901008036948902502086319647785972386869828134539290601165509865266800846690139608596055744639780242758714042516011689448602843373938235790585644680303176184044334186933619704716211022962014717184043256147182287911916596405027494049714614207973217015498940956920166123301659517274665475956859382683211671658092658602515132206078887433028259957899146822935352678406888764401975467638802625481179567866860960995909166610318732286249
 . . . . . . . . . . . . . . . . . . . . [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)
							65f6cd5a4cf2a3dff2155b17f1d33ed63f7e721a
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kristal.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 (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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000183b3dea67f0000040300483046022100ebcc49b608c61cab4c92565e6c37c4b9c7dcc80e97a6b1f795831c89492785a8022100e29c66d3c744446dcf1639294e287d454086e4f92719f05ba710593914e8ff42007700dfa55eab68824f1f6cadeeb85f4e3e5aeacda212a46a5e8e3b12c020445c2a7300000183b3dea8520000040300483046022100a0cf58c4d5c13ad336f8e6af0d328697e161b2263aca0ef52d05bde80ab610a5022100bde4a5cea9deb5856a606cd1ce394180f91ea4d85bc00d26abc5b086ebf3c3c2
 . . . . [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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