clusterresearch.co

Issued by R3

About this certificate

This digital certificate with serial number 04:6f:f6:f3:cd:28:3a:81:ba:fc:5c:2e:a9:b1:58:1f:87:8f was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. 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=clusterresearch.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6f:f6:f3:cd:28:3a:81:ba:fc:5c:2e:a9:b1:58:1f:87:8f
Serial Number (int): 386548742431446071512957015349980118878095
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8f:f4:1b:85:47:b7:4e:34:d1:f9:86:e1:5c:fe:3d:d3:23:c1:a9:1b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9a:7e:ec:aa:10:8b:59:63:ff:6e:ab:d7:22:9c:6b:f9:d1:09:37:6d
Fingerprint (sha256): c3:fc:35:21:14:95:4e:37:cd:bd:88:6f:29:ec:e3:53:c2:84:00:1d:d9:e3:5f:a7:04:a6:c2:4a:37:b2:35:45

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

Revocation information

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

Check the revocation status for certificate clusterresearch.co

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for clusterresearch.co

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

clusterresearch.co
clusterresearch.lavenirapps.co
www.clusterresearch.co
www.clusterresearch.lavenirapps.co

Other certificates including the domain name clusterresearch.co

(limited to 100 certificates)
clusterresearch.co
clusterresearch.co
clusterresearch.co
clusterresearch.co
clusterresearch.co
clusterresearch.co
clusterresearch.co

Certificate

The complete raw certificate details for clusterresearch.co in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuV8rg6SykRDY2H7vJ8qW
T00qim6rhS3zVJ+sgwDrn6MgyD1Si1DWieGyJS7jLwUHLSPFuiJbGWifB5Qz6wvz
iCGbTwYAgIyKmBw/+f64jplzT7NXtbG4ukvTCRuBtnMW/Whd9N1CWX0ak27dd10q
rE8pIkNnrj2bDhwxvJFAWyA4tmh3dePT95R6qSLeD76yYVwKxVqnxrxCkrtyL6ER
zjGfRt7v4xxGBUoFxPKUaguaIxi+iTAxvwYfiDhd19ZK5WuDgmU5h5Urkp4umZbG
/U+/v/r7hfLiJO7RzW+ocgzXGYlJhh6zaRPyarCUy0bNIrvW3X50TV2+8ispYl+0
ZwIDAQAB
-----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 386548742431446071512957015349980118878095
 . . . . . . . . [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 2023-07-18 18:13:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-16 18:13:41 +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 'clusterresearch.co'
 . . . . . . . . [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 23401016483717843289543842929280178730958480534427922511361254852643438805981114087813248760089292252558879269467523293517437773764588250939288370102635076725285988048486818781599473481393109958303268970829818039342981243780951087472954918874264516573786477054619996295198966279141927701653918656502457652573323362260226529410158438619587518006814908746306943132432680029430900268901997840848882912036763649090424572454775069185070278360471608929192858807291009374255234015895875744054392172131831892924675269087456267637364634410316265169806579517488121863045911635620720259270809270691486077717176626845826114630759
 . . . . . . . . . . . . . . . . . . . . [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)
							8ff41b8547b74e34d1f986e15cfe3dd323c1a91b
 . . . . . . . . . . . . . . . . [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 (114 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'clusterresearch.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'clusterresearch.lavenirapps.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.clusterresearch.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.clusterresearch.lavenirapps.co'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001896a6c3238000004030047304502207d8857770513086774f802910661989ea7c930ad37170637dc5864e4637a37cc022100d2def39a17b68f407df0956fc5833bfd9392b980ad5182a1d11a58bbd0eb76c3007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001896a6c3227000004030047304502207fed05073c0fe69b27be6bddbb47d76a3600262fe8732ccde3b23e55d3d0ab66022100a57255aaf388dffe1e61bdfbc75d098023aff10f91a16f8ed7aefa55757243c7
 . . . . [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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