blue-topaz.com

Issued by R3

About this certificate

This digital certificate with serial number 03:48:f0:4f:b1:89:81:bc:02:c3:46:e2:1a:f2:8c:e5:09:e1 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=blue-topaz.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:48:f0:4f:b1:89:81:bc:02:c3:46:e2:1a:f2:8c:e5:09:e1
Serial Number (int): 286156616724909422338282113934161021831649
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4e:93:8e:4d:0d:6a:cb:c9:90:1d:0c:81:94:b6:a5:bc:b6:4b:f4:4b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d5:5c:c4:33:57:b0:ae:b0:64:e8:74:a2:f6:6c:b2:41:00:5a:79:79
Fingerprint (sha256): 8c:80:ad:40:8e:65:d3:fc:30:67:af:b8:5d:4e:d3:9f:c8:cf:ae:5c:20:d9:07:71:5a:80:d7:93:8e:a0:c8:66

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

Revocation information

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

Check the revocation status for certificate blue-topaz.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blue-topaz.com

Public Key Algorithm

RSA

Key Size

4096

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

blue-topaz.com

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theglobaltreetrust.com
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Certificate

The complete raw certificate details for blue-topaz.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 286156616724909422338282113934161021831649
 . . . . . . . . [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 2023-11-20 22:38:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-18 22:38:13 +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 'blue-topaz.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 948572406868301073758135653215231279709090461695640615640346520590573180815381873659471649679197824328875203914677044246513761321980432492176148713590430903700713788093760598307340226598134446028916389624081885913949622508721350374185739602592691976461514410546768544035370379344206495646352124825172904286243062471884026280007578722187338646585238265086304946118850456313105928335807286368722003441231634169670493398672241301895441762104016975433400731306358744868637950298894323271420347433743136001349697486541733322634500811605199699448722561327464340798717249049553893148612902208360918623207517724352078576204955395560957833255019467348114524361701200828988879203515326269382337614324822789644437156667417100843488239542116000636974007624836947022955894942929727331750860851206529530949963326816249851472368017059321211493154129775864760367377633942390427455578810869899319352059252165152276790459529412229704929728292965221907532666963283044946139296643734099436119569438101182123666752763699768660583162813358956154082783943771027555582215944442215125689086990346160172924190334662539405497211471117132131409224525260793328949621897230192638127542961742422829321655848823957473962729630218550268732495440738862793984319819431
 . . . . . . . . . . . . . . . . . . . . [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)
							4e938e4d0d6acbc9901d0c8194b6a5bcb64bf44b
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blue-topaz.com'
 . . . . . . . . . . . . . . . . [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)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bef194c130000040300463044022024d202c091706dc760369d9732bccd3d06718e32520eeb37a79651aacedd0e6b0220122117c54885ceb32a1348431c87f886a95af64a0862230b672c5b4d68cc8d160076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bef194e100000040300473045022100f09f0048dc0af0035f07097aefb6e1903e22d5a6ebb0efa56b2d1f9d0031f43502201bc1ca77d333107ee1029ca177d83a634e1f5115c0343cf315237369f5e6e1f8
 . . . . [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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