qlu.ai

Issued by R3

About this certificate

This digital certificate with serial number 03:df:12:aa:36:c2:41:30:40:e4:4f:89:de:9f:e9:04:5e:9c 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=qlu.ai

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:df:12:aa:36:c2:41:30:40:e4:4f:89:de:9f:e9:04:5e:9c
Serial Number (int): 337244635523680653684091611903552171302556
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7d:14:8f:60:08:dc:c7:e4:8d:ec:5e:0e:fc:28:ea:3d:35:2b:99:9d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 12:7d:85:06:b6:e4:50:0b:a0:d1:c0:8d:eb:0b:89:50:32:a4:34:96
Fingerprint (sha256): e5:e6:5a:ac:cd:8a:40:be:94:ba:ee:be:75:50:b8:ef:6f:0e:e9:b8:1c:0d:26:71:40:7c:c7:38:e0:34:1f:b1

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

Revocation information

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

Check the revocation status for certificate qlu.ai

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for qlu.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

qlu.ai

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qlu.ai
www.qlu.ai
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alpha.staging.qlu.ai
invite.findyourcoop.com
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www.qlu.ai
www.qlu.ai
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www.zkprospect.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3mwfiK+sbKWlYoVsoeK2
u+daFYVtJlPM8lbtjXNG2ww7vhUq00n6SrZo6LTPAQ8BB9CpJtV5fVNx6+8AyACP
IrGWbHn2wpdjs4FxUQlPfhz5zvpU5PvSop5dV+Cg58X5gR1ELNGITPuQ0EgaeeFJ
X13CjNtv7m2A2f6A7ooQvTdJcubKEWUnguBtxO7WK3zT0lb3SA/fameRUYhMzq6b
DVjBscKtRypzCtKDEcGp9g3yinZYxKA7WnrCNMlaR1c3mV4BIObHbtwbf/OjfkXz
mPJst1qA9LSpH9ApRkcuvvTvVL7r8UiPB7FL1W0nsRHd8haoUy2fNfzkGGrX6I/Q
IwIDAQAB
-----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 337244635523680653684091611903552171302556
 . . . . . . . . [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 2024-03-14 23:01:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-12 23:01:04 +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 'qlu.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 28078221229406619976995056543272808179157349974398478234387721512312868280315168451066244957732461210534302429643305112286195340025601626868937028161160913300619572204671062328876475673571263471601563064043317124204046716284319371855482001567754139800417690235018903249661159783143626487268375585264123809978209738067392252769931290402161178133183274588464783910149525698212135205863465108823261595326403365571321847862516731026266211428581177237392115588855234805453519120789046059453237775606103592668001910236498449425553021310198114154128943220356665382274994409007799136377781359919236331761405855044866029899811
 . . . . . . . . . . . . . . . . . . . . [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)
							7d148f6008dcc7e48dec5e0efc28ea3d352b999d
 . . . . . . . . . . . . . . . . [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 (10 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'qlu.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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e3f698dfa000004030046304402201719f31bad858d89ee9b5ea67f4ecd7463863066c40736be995d9d7c3ffdf507022059f46d053ec4b0d5f6c63edf35ef1a66964331ea5aaa47d0654419876032448000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e3f698e3e0000040300473045022100dc71e2e09b0b3f46daed603853f5069304d1dedff7f2584febc1f85d9a6f1f490220556fd25a1aa34a1dc44fdbc79cb6d8c0bec0ddeef35ba4196078a115dca69e72
 . . . . [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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