duffett.co.nz

Issued by R3

About this certificate

This digital certificate with serial number 03:5e:6f:e8:8f:f4:d6:f8:91:e0:54:ab:1b:54:e7:d2:42:de 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=duffett.co.nz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5e:6f:e8:8f:f4:d6:f8:91:e0:54:ab:1b:54:e7:d2:42:de
Serial Number (int): 293472152126035036517586766223828963181278
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 11:41:85:80:a3:fb:fb:a4:a0:48:cb:ae:ba:9f:d9:1d:7a:33:66:9e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 65:26:47:7b:cd:34:da:14:85:f2:be:39:1e:01:91:c7:fe:67:e1:e3
Fingerprint (sha256): 88:b6:44:79:7a:31:5a:cb:02:7c:2d:45:61:f6:9d:d9:43:4c:7d:8a:58:fc:db:23:5e:9b:8a:77:36:ed:00:f8

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

Revocation information

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

Check the revocation status for certificate duffett.co.nz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for duffett.co.nz

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

duffett.co.nz

Other certificates including the domain name duffett.co.nz

(limited to 100 certificates)
remote.duffett.co.nz
www.duffett.co.nz
remote.duffett.co.nz
www.duffett.co.nz
duffett.co.nz
duffett.co.nz
www.duffett.co.nz
duffett.co.nz
www.duffett.co.nz
duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
remote.duffett.co.nz
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www.duffett.co.nz
www.duffett.co.nz
duffett.co.nz
duffett.co.nz
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duffett.co.nz
duffett.co.nz
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duffett.co.nz
www.duffett.co.nz
duffett.co.nz
www.duffett.co.nz
duffett.co.nz
duffett.co.nz
duffett.co.nz
remote.duffett.co.nz
remote.duffett.co.nz
duffett.co.nz
www.duffett.co.nz
duffett.co.nz
duffett.co.nz
duffett.co.nz
duffett.co.nz
duffett.co.nz
duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
duffett.co.nz
duffett.co.nz
remote.duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
duffett.co.nz
remote.duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
duffett.co.nz
duffett.co.nz
duffett.co.nz
www.duffett.co.nz
duffett.co.nz
www.duffett.co.nz
duffett.co.nz
remote.duffett.co.nz
www.duffett.co.nz
www.duffett.co.nz
remote.duffett.co.nz
remote.duffett.co.nz
duffett.co.nz
www.duffett.co.nz
duffett.co.nz
www.duffett.co.nz

Certificate

The complete raw certificate details for duffett.co.nz in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE5jCCA86gAwIBAgISA15v6I/01viR4FSrG1Tn0kLeMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEwMDEwNTIzMTJaFw0yMzEyMzAwNTIzMTFaMBgxFjAUBgNVBAMT
DWR1ZmZldHQuY28ubnowggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCI
KGhyqZOgoyMPFPx0TvvtzACrbbx4a5Zaj4Jyz6t8egW9vwZFWsPVeswB9Y3IORgw
5EotjoVYD/Vh5hTzF8Et1S8vRY4+ejeMpzuVJsgS+RCbRSj17H2hM9GgePLJ+3v7
mbsFrRi3rj7Sjmtondf6BtkEuihP6iPNfCBhVyONQAymCuxWPmCW3DVYSri0SPKT
P1z0roMJxAOFqGI6b/78OZTo2brGKcs2cjJVhN3edPba2vZ4HNX+74P1OjixkfPs
riWGrsLZktvFEZ36p0791htyu4Oa+g9FDPS1s77LAAPzd0zMuGToXUxrWbRs+vxU
W9zC/QCtxGMFXB1SlzPRAgMBAAGjggIOMIICCjAOBgNVHQ8BAf8EBAMCBaAwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O
BBYEFBFBhYCj+/ukoEjLrrqf2R16M2aeMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ
QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz
Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv
MBgGA1UdEQQRMA+CDWR1ZmZldHQuY28ubnowEwYDVR0gBAwwCjAIBgZngQwBAgEw
ggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdgB6MoxU2LcttiDqOOBSHumEFnAyE4VN
O9IrwTpXo1LrUgAAAYrp57zRAAAEAwBHMEUCIQCXTDD1QSRm4E1AW0Wr48uT21GC
hQ5W61LvAf12BqyXaAIgHl5fe/eRvDdilPhM0eaqegG+EiNqXqIFy9UiCcXw/0oA
dQCt9776fP8QyIudPZwePhhqtGcpXc+xDCTKhYY069yCigAAAYrp57zgAAAEAwBG
MEQCIAezGm2mC/pRRFDD3kb9rDAXmVjKgqmIFqOrHwYJ+K1qAiBVsOMzXMipGJxG
WKHLKzDfEleczW5HoG9FBsKEJbk8+zANBgkqhkiG9w0BAQsFAAOCAQEAF9PRq+v/
trkbLMXGJwb34QG3+kXduxM8K1mZKnkH005/7+fZrBDlUMReJbVXu/U8i5jUwudw
93ERLUafFUvTtNx0idH03OQo6rFjrvrSvHMcNjYP4nUPhGyOJS36u8tC09EQItFa
Xf/v6jb499hSMmADMH+n8o+uZGzQqm/Ez1psr/vzPW60i/eZH/NVXuURGAErz+8I
/V+1ItIYfx66DMAcpQFOO9CdRCIyh8YjGGRLJf1bxPe/7NblJ6H242y0hOg5kr6W
/aIAkAM80T97nMzdNojxS2cnMMmeewhJV3h/8WmdcPQp+JDFW9rcXD8gPh6l7ug3
vLJ9xPOLAQNBPA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiChocqmToKMjDxT8dE77
7cwAq228eGuWWo+Ccs+rfHoFvb8GRVrD1XrMAfWNyDkYMORKLY6FWA/1YeYU8xfB
LdUvL0WOPno3jKc7lSbIEvkQm0Uo9ex9oTPRoHjyyft7+5m7Ba0Yt64+0o5raJ3X
+gbZBLooT+ojzXwgYVcjjUAMpgrsVj5gltw1WEq4tEjykz9c9K6DCcQDhahiOm/+
/DmU6Nm6xinLNnIyVYTd3nT22tr2eBzV/u+D9To4sZHz7K4lhq7C2ZLbxRGd+qdO
/dYbcruDmvoPRQz0tbO+ywAD83dMzLhk6F1Ma1m0bPr8VFvcwv0ArcRjBVwdUpcz
0QIDAQAB
-----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 293472152126035036517586766223828963181278
 . . . . . . . . [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 2023-10-01 05:23:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-30 05:23:11 +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 'duffett.co.nz'
 . . . . . . . . [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 17188335402640901294098016511871493888921106738323408212268451718592508626346880774510117614788792086812643830983336429152010607211590399861261861656259461595111982522659470676686246304914116152216579954945132338819201075154179937382958492930574061511230386282377091725435648129065604190051110551831157056661991497386459661560502589775518834735992823257027997241896146907618802947724178635531161598900755023871059117735117880376797947241490869776196157644610217556788291900351688751441611516196900111632637474815188643409040736253203908336311687602136064560849274288746790132784639688805157148977958968075473835733969
 . . . . . . . . . . . . . . . . . . . . [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)
							11418580a3fbfba4a048cbaeba9fd91d7a33669e
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'duffett.co.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ae9e7bcd10000040300473045022100974c30f5412466e04d405b45abe3cb93db5182850e56eb52ef01fd7606ac976802201e5e5f7bf791bc376294f84cd1e6aa7a01be12236a5ea205cbd52209c5f0ff4a007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ae9e7bce00000040300463044022007b31a6da60bfa514450c3de46fdac30179958ca82a98816a3ab1f0609f8ad6a022055b0e3335cc8a9189c4658a1cb2b30df12579ccd6e47a06f4506c28425b93cfb
 . . . . [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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