decaf.so

Issued by R3

About this certificate

This digital certificate with serial number 03:f6:cb:ff:87:bd:0b:ca:4f:b8:16:2d:3e:29:82:5c:17:7e 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=decaf.so

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f6:cb:ff:87:bd:0b:ca:4f:b8:16:2d:3e:29:82:5c:17:7e
Serial Number (int): 345317480129777934377864415092577138382718
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c8:9c:c2:52:1c:61:11:b8:22:84:92:f9:1b:2c:07:ea:72:90:27:7b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 88:28:c1:be:44:c3:65:6f:ec:89:b7:c2:47:04:a1:e9:59:e7:ed:e7
Fingerprint (sha256): 59:2a:cf:ad:a4:9c:de:af:53:45:fb:04:69:a2:f9:d5:36:30:2b:3a:fe:18:20:82:36:81:07:84:ca:49:32:26

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

Revocation information

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

Check the revocation status for certificate decaf.so

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for decaf.so

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

decaf.so

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Certificate

The complete raw certificate details for decaf.so in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApFhEuTw11pleTTA1XjJq
1PzOfKnqpELIamWMNLCGjxakCuB9cz6+wptvAdgC21TgvnQn7PmU/QcpAS1FmBMA
CCWZRR8B2lesrn+zc+GKltSjd4wVm720pdHqdT2w3pzvJZx80gdo1Imjsw58gCcN
3TOWMamARmwHiQmLG26J1PT1gmNoa+pI6dgG4FTWqqAIw618MhITyVnGUGFR+i7S
2wLXx19TNZB/RTt7g5pTdM7DagwEaSJS2Vw7DSmiyVkxK+s2MFMYRlujCjo+keJB
VSq5IHg42q6et+Bw73l4KEtIk8h94644JSOwq31bZphr1uARn0+Bwd0eNtcD4wUy
VwIDAQAB
-----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 345317480129777934377864415092577138382718
 . . . . . . . . [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 2023-10-29 05:39:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-27 05:39:09 +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 'decaf.so'
 . . . . . . . . [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 20746608810116793586081920962984184625952649529128226709300335511077420689110707609338630348892251477788989388079409340026337662511750542164196901418903030532165193211594076034438187126286600985022670864228593113240142352307260613466780502813861024305020079604404635283487867874356289645636249141791182773495553428895412452306623830084588011840625617975733121086814093991741438451361338622595771108904604198870952277604335258309067330282432674860520962153733931320764021035373064309797478418382784491711975891481409828941014713021047787727236498642531861919729609130204833402592932854630715854317805759247041199157847
 . . . . . . . . . . . . . . . . . . . . [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)
							c89cc2521c6111b8228492f91b2c07ea7290277b
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'decaf.so'
 . . . . . . . . . . . . . . . . [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)
							00f1007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b7a28692f0000040300473045022100d0c465e3563215c31e4493daff22ebc097b5a011918d2bb66160f5e0b9f4b62302207868ce56c835b31b3dbce2d7703e205dd86cfc641dd0d81a0700c9cf5df7e7e60077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b7a2869260000040300483046022100b5fd20f1e8010e625450bbfab775e06507bb7eb63d1dd91192b4203a077f3147022100f410c3efbadd419a89a313fe0ca31a8f5783b6abcb25e3f600ae61b9577db686
 . . . . [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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