clusterresearch.co

Issued by R3

About this certificate

This digital certificate with serial number 03:c1:79:dd:e5:f5:e1:5c:8e:05:60:e4:54:61:4b:05:14:0c was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=clusterresearch.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:c1:79:dd:e5:f5:e1:5c:8e:05:60:e4:54:61:4b:05:14:0c
Serial Number (int): 327173343360270019477118016702555237979148
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 96:d6:4a:18:86:78:b9:4b:64:5f:63:67:41:d1:95:ec:68:3d:93:72
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 08:6c:d3:1a:04:fc:cb:1e:b4:93:f2:f0:3f:70:cc:46:b9:bd:9a:81
Fingerprint (sha256): ef:c8:37:1f:a2:e2:3f:1b:46:c5:54:46:8f:a2:38:cf:b9:d9:1d:77:3d:72:10:84:79:49:2c:d8:ba:da:4a:ef

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0jMNUstrByoojWzUnntQ
ld31YjQzlVhNYEBSfmhbaNYgPHlIv7JCDx9X8mzPO24Z2AvCkLiWWwP4zGY5dgvp
mKGuweguUIs4JwyU9ailWsmQFdZCKO+AjYl6axx40wuUSoiWXa4mO++ycMi4ZDp1
G9Ni9/hpYDEn5apnOwxlNEmbp48z3oCZr41bRAiVnG0o9c0sU4k2bx/c02MiQ0uO
6EYyDirwVKPujXIpdZqCio4j4QIhGVTdULYbmrru9GZcfssaAOIm8z20sooOLspJ
qEC1HdGu2Wrtm6ki1bf/b5Fb6yRrOFRL+xe40ljSt5BbZsM1l9sXfuw0fq/x8MdM
iQIDAQAB
-----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 327173343360270019477118016702555237979148
 . . . . . . . . [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 2024-05-14 14:33:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-12 14:33:36 +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 26535218744336258189739602913299490004195138217787229719776639886738749815965207510320251679611185016002027168731513123775379684746891663718234990210158834611612381008873126251214083987656514705839791949809216005468358526433397332275443296949613073483077672117701396587241013409333817871131293675384858793840456816555321778093051154674051137805628383217955982187613026647698271381220429170568381607929248941981470917433994833505062073430447798118509963058905107669151418487412210671794289514714245273136115094452169314023270651640789358675785641792443959578668487161651309343133432408513818326506622856743053599132809
 . . . . . . . . . . . . . . . . . . . . [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)
							96d64a188678b94b645f636741d195ec683d9372
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f77bcde770000040300473045022100ec1788b41e2f64f1b09bf0d4e243cf12f5871545cd405c41607dd2f604c8df3e022049c9b0b0998cb8e3f4f1d98458d0f237afbcf6297c13a91b06a0f76b0cf48092007700dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018f77bcdf3f0000040300483046022100c9f7b07f936c37fba5a6f768c4a32eb69c8cc45a991e6c94337f5b685d1d4779022100d7cbd9c59b83034b0d334fc4a581ff5ce2dc54d60e762c26cbeef3245917cee9
 . . . . [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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