www.energyoptions.net.au

Issued by R3

About this certificate

This digital certificate with serial number 03:42:3b:3d:eb:03:53:b9:16:93:98:80:ce:fc:8a:16:98:ef 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=www.energyoptions.net.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:42:3b:3d:eb:03:53:b9:16:93:98:80:ce:fc:8a:16:98:ef
Serial Number (int): 283874239960552211548832953575055799261423
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f5:f7:e4:02:d6:b8:f4:69:6e:8b:79:ca:06:50:e9:b0:6f:20:41:f7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a0:d0:b6:5f:82:12:a6:62:c4:ca:ef:f2:c3:49:27:17:e8:0b:34:45
Fingerprint (sha256): da:65:d4:aa:69:50:37:2c:22:20:4b:5c:5f:6c:80:d3:b3:11:e5:ef:d5:48:b6:93:86:f0:a1:33:62:7f:19:5e

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

Revocation information

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

Check the revocation status for certificate www.energyoptions.net.au

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.energyoptions.net.au

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

energyoptions.net.au
www.energyoptions.net.au

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energyoptions.net.au

Certificate

The complete raw certificate details for www.energyoptions.net.au in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmkVRMW2O2wYkUU9fr9+Y
2BkDA3mfernjloZisB981j76DaLHGFCGYbBSUGHUOPnLvJEEPHS2B2hgEu+djXAO
mDhYK7mOWq4W/asyvSeEN5SJ/nXD6Fbaobqa5qM3NBMqDKQutb+D63NoVcLBZQZ3
8b9P0OpcluM80G6rqgN3crMK8MqdQWMNz9JSE6tC3gZ1MiouTOHFB/Ckip4+IB8L
9IJFoB3xMExyVOEGQ/q+rvbloJkFRMhVxSFAdd35PIhbCClbmSE8LuuW0j+j+xQG
VrWXWCfhn/GZtY2ISoc54fhsSIkCCSOOJg8d2gtbuvT7PIZwUwlqW862mF3UeSR+
zQIDAQAB
-----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 283874239960552211548832953575055799261423
 . . . . . . . . [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 2023-10-27 06:18:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-25 06:18:07 +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 'www.energyoptions.net.au'
 . . . . . . . . [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 19474880530560667153421053600553880660986260667364603131958604450469681452770348917455448541208463161330599267090386474946314355944006127983331258309656555757869592152772140421467599312429938019107179810082621860007872291900876395604211463451945176982527709746161062252858765567603420839708319717977292657279397132968569582006128632934008011358108956346038191713503692317860263907883587587741861834057115963497859593648126561276475180906527212477720594744192825584739999047076293159732758371709918647999380060808971866500795017184124060237566778132748803601229433717243523048123633729194062404173080216832660683914957
 . . . . . . . . . . . . . . . . . . . . [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)
							f5f7e402d6b8f4696e8b79ca0650e9b06f2041f7
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'energyoptions.net.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.energyoptions.net.au'
 . . . . . . . . . . . . . . . . [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)
							00f1007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b6fff5c840000040300483046022100c7fe6276ea9bf0e810936b9c1a70b75e2ab5f19b67dafc2fc22655bfa56de9c5022100a3c3656faa0ad068583536093935241327ab3fb25f765e81363cadfb0c477eaf007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b6fff5c870000040300473045022100bc88d1d97231f637824c4595497a1584c04fbbbb4e346958b6cd21e71d4ea94402206df90d9f8b768cecaf634f2ddf6f404942436859285bcbee5bc3d787c1324190
 . . . . [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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