duet.vc

Issued by R3

About this certificate

This digital certificate with serial number 04:d8:ae:8a:ba:71:4f:03:78:cf:b7:f0:2d:c5:7f:79:36:02 was issued on by Let's Encrypt.

With 2 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:
  • 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=duet.vc

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d8:ae:8a:ba:71:4f:03:78:cf:b7:f0:2d:c5:7f:79:36:02
Serial Number (int): 422182140971702170019074135070595706598914
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b3:01:e3:1a:bd:64:05:03:26:b9:d4:b7:51:c0:ae:61:55:7e:13:7d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1e:6d:d0:0b:bd:89:a6:77:ab:f2:b7:b0:e5:8a:a9:fd:29:cd:65:bf
Fingerprint (sha256): 3f:b5:a8:4b:bc:bc:94:fc:a1:8e:85:ae:b3:c3:5d:dd:e9:56:f3:a5:87:dd:2e:86:22:ba:3e:08:d0:8f:52:eb

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

Revocation information

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

Check the revocation status for certificate duet.vc

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for duet.vc

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

*.duet.vc
duet.vc

Other certificates including the domain name duet.vc

(limited to 100 certificates)
duet.vc
duet.vc
duet.vc

Certificate

The complete raw certificate details for duet.vc in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn7WqtkJu8sF8vXbXr+Vy
jRHoDR0R9u699IfQR5wqAjIXofePI9p7B4bnjMJbxKL94+E/EHgGtkY7OBeD9jFX
kAfpO2hcUMMOfP0fnq1kqdNOK3YfZ8+FoHDi2uth48P5QdhMUsbDUfNln5eFJGhL
muZfQScqKHDEB01cWJTzcWWim1KUXCMyCUZz8KfZ92/1xRf+dn+Z74SXLfxEjpcQ
u2nIJZ+zvmh8r9ZOHn8F/wbIDbB0NDP3TKXs+R44tBJQDFWf6wCnCW5X9wneOdQ9
YglhtFCKQQQ1+oSCAthMotq0G880Rqf1KfzSEHGcf8GiDd5K9O9O9sLBtAZyjhJk
JQIDAQAB
-----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 422182140971702170019074135070595706598914
 . . . . . . . . [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 2024-02-03 10:41:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-03 10:41:15 +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 'duet.vc'
 . . . . . . . . [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 20161473748976235965427425254845559116290822509465339291424710365963489576281420923848550856745220632349974919313231602561799665264859211351515142600927700565871123691257290913109767425404167757662355346030429974889871267132110370028215841015066123343964694814286169782790843132595563856498270993395913860685381551218068974043892510102650093910951196504394544679747262634350626868726726186114670212955453011321524918332254139549601457894480451971727564000814393007446939604708820785366404729794833365576097022939054746330075465402070500280448315931393757605540029304102631769617351725629927472977047586557919803630629
 . . . . . . . . . . . . . . . . . . . . [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)
							b301e31abd64050326b9d4b751c0ae61557e137d
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.duet.vc'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'duet.vc'
 . . . . . . . . . . . . . . . . [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)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d6ec5d83b0000040300483046022100c7100003ef7643e52877d22050f06cececfaae4da2736abe8d13c817375f06f9022100dde0c1763c1d197e39685b79451086694a3777a5b0920a8108fbbaf410c7383200760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d6ec5d88c0000040300473045022100c14b06fa3451305f595cec8ac21d8c7c3386979a49ae4e462b25a6899108bffc0220739e5f88afda8cf273755ca5fe001a8a5dbe107e057bed37bb7be2e41dc066cc
 . . . . [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)
		000717032debd34bea554e2f5857c3ad4d6567bfb269ef5feb0d6cbb20cb03fb8af8d59c2b67ca6ad6bbed6ece95ff004ae848489627d9e314be8ca58fcb93d2c9484d54b62868e11858d672c47d58d3633b5b634e50487f03c035a0e5f8d187b5ae5d5708e9ce9279f8daeafbb55dbe58de90fda6e8720d9a3b46c13e58a737d9481890949ccd898e1ec1b0c5925a23f8fe01765c53ff7d07b9c1b1962a912907638a10a6351f6acde11dd6907ef31234a55a6d098a7017247c0307878ebb97ddd7431bdde01e844714860f3d3f01923130ede48600113d466973486bb655994f721fe4ea8837e3ba97bfa5d02bce308794b355bf4a034acfc31ec2e766560155