bluestars.org

Issued by R3

About this certificate

This digital certificate with serial number 04:da:90:ec:9e:78:c3:96:f1:ad:52:94:a2:cf:0f:c0:d2:cf 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=bluestars.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:da:90:ec:9e:78:c3:96:f1:ad:52:94:a2:cf:0f:c0:d2:cf
Serial Number (int): 422823337143445842662281055478092818076367
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 00:41:12:fb:50:ed:95:86:65:71:22:71:f9:97:fc:7d:01:89:9e:eb
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 75:98:ac:3c:83:21:52:6b:29:9d:0c:45:e6:be:01:74:5f:f9:c8:cf
Fingerprint (sha256): d5:b4:b9:67:85:43:ab:49:09:6c:20:e0:60:49:b8:48:88:0c:dd:eb:96:fe:7d:7d:c6:3b:dd:bf:45:9f:9d:3b

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

Revocation information

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

Check the revocation status for certificate bluestars.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bluestars.org

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

bluestars.org

Other certificates including the domain name bluestars.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for bluestars.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAraszSeNUCIW4/Ag7rfsN
le6XJ+kys7rrl0bIIvcV1PMM35emrny/43NmAiVGA1Vh6DtB+EBrOqNdUG+IIxEz
CQ/F99nFy/2cNjq/iGk/SX6fvJigyzbP1pWKpzM6ZpFJ4GSuT4loH5t1UmeCRXdn
e8X69N3kp1CEyYunUrDVDyMKBrl/DNB5cQtRpUW61HqDtSxUo50+IBQDzfZ9jd3J
OAgDnMBfylmSRN0XB6VE7KN3axeV4SR7BCur0HoBtYUdE+nrMcBTOOvcUdrymmXj
OxdekKLP7GHohbyVAnDuav3zM2yflKvQ0SuLpNEPhXXuZoVHD+p1tlnqxe4/Pp+D
NwIDAQAB
-----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 422823337143445842662281055478092818076367
 . . . . . . . . [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 2023-09-29 16:52:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-28 16:52:08 +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 'bluestars.org'
 . . . . . . . . [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 21923648796287545847650370790011637799601201082096171697739378858550967859344642544405886679791868588009901026550790846750141094704937299762528542729112130594754395313422111218383889073522255358147392249483307355803469657718383673690336723467933551398714706309448787576967237083970420022011779054693325961107383962681916095589452845016649723888606776217869615229826821793552872422930314884839806537921472879956288096886871037634196540110423408283139678786056501219753128978315624961505376812296826420571945609099006425374164689444528444797712972959175083389996016383197217324816158630780303481579634774786274897134391
 . . . . . . . . . . . . . . . . . . . . [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)
							004112fb50ed958665712271f997fc7d01899eeb
 . . . . . . . . . . . . . . . . [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 'bluestars.org'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ae211c5730000040300483046022100c9f7a55b665205ece1941781737df5b9df16eca921cebf69209af591bf67be86022100f7b5dd6c1b6f58a1658d9e9172790ef200ef3166c7cf2ff831b462baa171e445007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ae211c59c0000040300483046022100b480d287018d4d5fbca5f562758f1fe2a8d9435e3c9dea483bff3f01c49659f102210090072690aa3cc17d5cd05de37fada55f4593c1e0a5bf402129e09e2a419ee667
 . . . . [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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