octaos.com

Issued by R3

About this certificate

This digital certificate with serial number 04:52:57:85:bb:80:17:cd:f5:f3:d8:df:c7:61:45:ac:cc:e5 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=octaos.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:52:57:85:bb:80:17:cd:f5:f3:d8:df:c7:61:45:ac:cc:e5
Serial Number (int): 376468635028632581234694632556890010995941
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c2:18:46:09:19:3f:f2:63:c1:65:4f:4e:74:af:0f:4d:56:ff:88:28
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f5:7c:8f:81:da:97:0b:ed:ee:e4:38:7c:e7:9f:3b:3b:a0:99:2f:6d
Fingerprint (sha256): 47:0a:6b:49:b4:4e:fb:6f:40:45:59:37:07:52:ae:43:86:33:1e:1b:57:82:32:0f:1c:08:b2:ea:bf:ed:d3:bc

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

Revocation information

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

Check the revocation status for certificate octaos.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for octaos.com

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

octaos.com

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Certificate

The complete raw certificate details for octaos.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwVqNBjB4o/A+obp3hGPS
lZLFl7jOam9hqtkHXCg+x4LQxRO/MBxavpDZXwvi2whdAwkum/wDHtH2X1yWx9KP
wFXtgkFbbe3wWhfGtN+h+0EMUQUdJMvxgYDtSSCvamzspRanjGT3jBG+MpAzggBD
ZR/QJ+9sp1l6xzbgu/Z/2Ax/NCgmvs71xNIr7k//zk41JT1HHEMQaI7RsrM3o3UO
zzPQAm2GvJTLEeKycURWGN0DAlm8UoWCdFaA3m4AHrEeUxEk5UCXH3uUNKElWtoU
9Ukh9lSpl83CLB1PTND+7WbqlRWUufu7CjIwrlxx8/3XcdVQGSP4RWPn2Z7SgbJr
fQIDAQAB
-----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 376468635028632581234694632556890010995941
 . . . . . . . . [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 2023-12-23 20:18:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-22 20:18:47 +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 'octaos.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24408645159467013054207209979562855924026511788359084519267694099743964347665057385008895215068249560330040849094580716281258465875484704543355984224770102820038259084256755449953434693026889743910238457284502633067831487673649863191703327056233582665683038537012050628752663056142649216894579738508820372359042619167675850037908320724719626348900049984626014224042188315935280771762997313779598959917703044478016454588183065683647880756652676599138500592595796210208406727711359815098581392866288268560245833578219764946683176086501003829640064648696844090706662267968802497397227440973284854870071594950203374988157
 . . . . . . . . . . . . . . . . . . . . [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)
							c2184609193ff263c1654f4e74af0f4d56ff8828
 . . . . . . . . . . . . . . . . [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 'octaos.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c988b836200000403004830460221009800cd7d44ef0bc0eb27dcc6e01d9c6a4c5723b1717f2a8c3551c3c927ac8d8a022100cbda022a04f7a36b25ac8657a6bfd20dc0bba12f617a4520f00fb9f5f936f8320076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c988b853b00000403004730450221009305b8dc876b59bc1bbd47d6cd0eb3707922da421b55b7ff09c288e3bb5bb05302204f8188a9b450d82f4a10ac5c4bad468bc1f584c65af8cf0a932dc30e9ce5bd00
 . . . . [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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