gpk.net.au

Issued by R3

About this certificate

This digital certificate with serial number 03:a7:93:f3:44:00:89:60:0f:1b:46:dc:a6:80:14:d9:cf:4d was issued on by Let's Encrypt.

With 4 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:a7:93:f3:44:00:89:60:0f:1b:46:dc:a6:80:14:d9:cf:4d
Serial Number (int): 318360672693840838557562312076583046336333
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0e:8c:f9:64:70:0e:e9:0e:38:60:c3:ed:25:64:cc:99:59:55:b9:22
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 17:89:1b:14:46:1c:05:c4:4b:f2:d1:11:20:5d:0d:41:a6:65:5d:a5
Fingerprint (sha256): 98:de:66:d4:d3:9a:68:b1:db:ab:49:f3:33:d8:3e:2b:1b:0f:26:e7:c4:b9:d5:f2:2a:72:af:88:a6:65:e8:c2

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

4

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

Other certificates including the domain name gpk.net.au

(limited to 100 certificates)
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sni98192.cloudflaressl.com
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mail1.gpk.net.au
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*.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAucAfCb+vCci354yejla/
KKJ+X3XVTwUzMnPw9uXx+gEN/RciikXE7iny1iGEwvBqxck4iudGTnkWlHEG/MtI
p2CNXU/YyZKQJ8ZnFVpq721sHGcIqfoAVnBwFSqmf0C1vBfJdcwsNAnMWnLXgOeA
4E32vkYhG4NCNu083ie7hKQ82FCoczxSFgHADdJJxMqX6AUckb6iLReMF1e2SXCz
+AuGSw2AjQ2DF+jXpeVAXD5JLFU+zqixxGftnbrJ8G/E7BGqGuOGomWOj6prfkEP
FhzEMPEzyTq0VV/DO21dJ9QwCup6BNLsblLfeQPJhcKa5S+7/ZGTaP6707SmdivA
dQIDAQAB
-----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 318360672693840838557562312076583046336333
 . . . . . . . . [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 2023-10-23 09:46:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-21 09:46:43 +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 23448824934352569153797135979945382583489392672544989437730865443046338034514044339688118750071077158355740034094710654021038971610432223906863330988771054591025012617662374227219860352806552185557071969020838001014526379622964062577061390736358463563807482283806236094667053837707756231106790182678191969293450945790520267647130446488632347679808393060462579606268078460755350595174127267884864484359973827049350289928211754534581545041282885535959336054252304754547384742282123327943518032925742029912634528726408560931830638903487553209069698769177747934864551965288393486910452418150083336064646587109927753072757
 . . . . . . . . . . . . . . . . . . . . [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)
							0e8cf964700ee90e3860c3ed2564cc995955b922
 . . . . . . . . . . . . . . . . [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 (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gpk.net.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gpk.net.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gpk.net.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gpk.net.nz'
 . . . . . . . . . . . . . . . . [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)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b5c24e6f2000004030047304502201553c6f3abd4a2b206b1f2760e3c7c9137b1ea4590c8f9dc80f51eec70bb130a022100869ad207adc30d3b2adbb9be83cf9bf59a6f2fab72a122149f1f2558be14dc800076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b5c24e6f10000040300473045022100905275e632f5e7e5ba2f399fc8504a1a15bf4dc6f0f029582dfbc14dac63d206022029e404f5ccf777a0e4290853ac55474f2211b9b9af935c140e4045566be928aa
 . . . . [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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