centra.dev

Issued by R3

About this certificate

This digital certificate with serial number 03:86:db:09:86:b0:e3:70:c1:fd:e1:ad:02:cc:35:c6:38:23 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=centra.dev

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:86:db:09:86:b0:e3:70:c1:fd:e1:ad:02:cc:35:c6:38:23
Serial Number (int): 307225845356292550338434107919982431451171
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4b:61:9a:81:2e:40:75:2f:3b:ef:49:71:a7:e8:62:94:93:9d:f9:3e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 22:a0:2a:42:9f:7a:f4:96:92:9d:b9:b3:d0:fb:59:83:5a:3c:74:b6
Fingerprint (sha256): 35:a5:19:24:d2:d6:08:d5:89:4e:94:8b:75:ca:17:b7:3d:a1:b2:96:b7:e3:f1:b8:ed:00:82:36:bf:4a:f1:92

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

Revocation information

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

Check the revocation status for certificate centra.dev

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for centra.dev

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

centra.dev

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www.algethic.com
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api-docs.centra.com
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api-staging.meetplot.com
files.youngskilled.com
eehtest.de
exp.inreal.app
www.arale.app
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*.centra.dev

Certificate

The complete raw certificate details for centra.dev in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvMf4ZjJ5cBFhSd/uLsNZ
dLHh2IEodx7x9yHRPveEtIst0rCWsjRPaj8UBWgalqb8UkpzXhC9wOd0AwlgH6F0
fzdsrqC7xKT7ZNpMlIEuUMdeHyUDEyBkQ7ydFqTX9JcR5y3UWHkMoFXMIrUQa7iQ
ZAEHlR7VU9/HHzda/tV1dSjgOj1DffLIpiSsvQR1e3VnPMh5XCGkV4PHXsOXAzgB
cGKfnz7s5ABdbOpawSULLPhpTXEC8e4jbrfOvt4r9uvsWQ/ySkQteEEcM38qVvhC
/2BAoFHXU0ikloG1VenKE4i2YJHh0ziSS9OXrBVEoZZ8FaDMEuTFLHTRvmcUK9v/
QQIDAQAB
-----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 307225845356292550338434107919982431451171
 . . . . . . . . [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 2024-03-06 17:10:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-04 17:10:10 +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 'centra.dev'
 . . . . . . . . [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 23831410368395678644595938352710549056610614020362562800874915789857500937440914079878015418421600586790078492779109105737094020494243114690782372841293201266589953525826882017025151235379877025616250466572219608233030199907910658983783580300551996065496128406120266043360211014830683266678970925784567695509779955793882566512358836191558289861975839762784503513160733249084739706165827713838923817446315029033931017979119670564675437761765054723298529627063322533193305091890198190631983374207230762242562566726058022660123341017286459088756670018224514068658542799213041684924078407999009046194837490155696636559169
 . . . . . . . . . . . . . . . . . . . . [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)
							4b619a812e40752f3bef4971a7e86294939df93e
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centra.dev'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e14f56a840000040300473045022100de0fb9b055f173d319b69ba631f4e7c6991a8594a3ca1a8f0743efafa52c925e02202d0d863c0c6e6ea1c7e11b837db2de114cd5ebfa4218192a8718e14d774ca2e9007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e14f56aa20000040300473045022100eefda13d4d06cf4e7d330404a1b9b06d202b6cda5d735c3333616635c1119e9e02202abba7bc5d7a786ffce5bc14a32c78e7cb11e0bdcdc34be042fc893fc5123f2b
 . . . . [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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