gpk.net.au

Issued by R3

About this certificate

This digital certificate with serial number 03:13:c9:d0:83:69:4b:41:f3:26:ac:cb:d3:d6:c4:1f:86:68 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=gpk.net.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:13:c9:d0:83:69:4b:41:f3:26:ac:cb:d3:d6:c4:1f:86:68
Serial Number (int): 268070480257015820326806155317256069809768
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 05:8a:cc:d1:12:27:53:6e:7d:f2:1a:a6:46:6f:85:da:60:fd:02:39
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 67:0c:36:fe:4b:51:42:df:3f:f8:f4:56:47:6d:73:06:f9:3f:98:d4
Fingerprint (sha256): 2f:cb:ad:35:5b:92:9b:ca:88:d7:af:10:fc:13:13:27:0a:cd:04:8a:4c:f4:a9:27:c8:96:50:85:28:95:48:a1

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

Revocation information

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

Check the revocation status for certificate gpk.net.au

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for gpk.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

gpk.net.au
www.gpk.net.au

Other certificates including the domain name gpk.net.au

(limited to 100 certificates)
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sni98192.cloudflaressl.com
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*.gpk.net.au
*.gpk.net.au
gpk.net.au
*.gpk.net.au

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwFvezE/EvFCl3aA3jZL+
NZdo15wllUrutNQ3WReFmERKDIVEE4MUq9PS6v+Rxa33ZKS68nbhWX2G3blfLrZZ
ImHTo9NramSADSEGrJ2e7kX/mRow0YeoF+X4FO6fHXdFHjGKFkaaKd9OLCylYCvD
NW0nyyCOQvydFnz/LiKMZqlFOHdwPu5djXguRbchGynLMPvMK2ymmR3DIJ8BjqH1
xZ2rZXSedbPiOdg6cSrLkg2A+C5HFMlCl5Nogl1PwlAmqLT1en0BieSeVaCGh6cp
13xw9+CVA/dB4aotdXgr+yXCT8DdoXemHtomDvXa8UPvuC31Bm00it4j4yF9Gqmm
9QIDAQAB
-----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 268070480257015820326806155317256069809768
 . . . . . . . . [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 2023-12-22 09:46:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-21 09:46:18 +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 'gpk.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 24283057489365741460286763870362930278726921436499905744011004434471533851779600470167289898667305618468203310868504425347669800481101522995402036544613414895772529940883590548834096063382161600189578710173958556118398250496416967063751459689351228585814068690941863351143616584848295491068502837823972337441573583993407982534341045947648640736833589934355626594313859567776497810656799794834805188450887922834647094548257479467867622740235436311204751853070814691532768560572539324445656145921131238363400519113908207130051142828430132641855567706795294518492128869704240119954815157496433402370777894028439691306741
 . . . . . . . . . . . . . . . . . . . . [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)
							058accd11227536e7df21aa6466f85da60fd0239
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gpk.net.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gpk.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c912216c30000040300473045022100f0fc599caab1a7a43c2b8288374af0e964fb8fc93169d61accc8473073c76c0c02200c281f38ebdcec4910b4c70779678fd75d8408fb5366300bf42b28e26b32ff730076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c912217610000040300473045022035fef3f735ea74f234e3d3fe42312276d827e64db522691ea0263c6ae9c90b5a0221009d6ccec7ee8939f00d8055c750060eb7cd08e495c7c553efc2ac4a7307b092c0
 . . . . [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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