duffett.co.nz

Issued by R3

About this certificate

This digital certificate with serial number 04:32:26:b6:a8:ae:dd:34:43:d6:24:91:6b:a6:a1:cd:b4:16 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): 04:32:26:b6:a8:ae:dd:34:43:d6:24:91:6b:a6:a1:cd:b4:16
Serial Number (int): 365514721156254962964087621375322240168982
Serial Number lenght: 139 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): e7:b8:23:70:a9:c9:4e:5a:0a:e5:9e:bd:f2:64:17:0a:a4:c0:f1:43
Fingerprint (sha256): 6e:0d:39:39:af:0c:17:60:a1:c7:86:5d:90:21:2d:cf:7a:c1:aa:c3:5e:b3:a7:96:ff:99:81:c0:8b:06:00:2c

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
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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-----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-----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 365514721156254962964087621375322240168982
 . . . . . . . . [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 2023-12-10 09:53:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-09 09:53:46 +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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c535c9c740000040300473045022100a9a14bb8a27f84d7e35629d92baf728eecf5069889f3a0c2d76eaca3dfbd07ad02206327c9bef56708d2145b48a3bdd50b42f5807ce3798494e3d169d62ef14af65a007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c535c9c770000040300473045022100bacf43f5b1a7ac25df457d551fb1971e233ed05763b783e834ce3dd2550900de02207841898edee39bdb7101a0ba2b0b55ced42775bad76d345afcf6d49e5c688c33
 . . . . [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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