www.centraltesting.co.nz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:50:4b:2a:20:11:56:2b:42:98:51:d7:4b:fe:9c:62:86:b6 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.centraltesting.co.nz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:50:4b:2a:20:11:56:2b:42:98:51:d7:4b:fe:9c:62:86:b6
Serial Number (int): 288659357975518398258906667557267846629046
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e7:42:de:80:ea:23:43:4b:52:19:c2:ed:02:12:bd:2e:df:5c:43:39
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 49:f7:ec:a3:26:18:b4:0a:4c:ae:46:22:18:86:e4:69:f3:c7:75:47
Fingerprint (sha256): 90:43:e8:bc:4e:95:48:1e:3b:b4:20:a9:fa:aa:a4:fd:b3:04:cc:5d:0c:c1:bf:1d:5e:2e:78:09:f8:c2:ed:5b

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for certificate www.centraltesting.co.nz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.centraltesting.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

centraltesting.co.nz
www.centraltesting.co.nz

Other certificates including the domain name centraltesting.co.nz

(limited to 100 certificates)
centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
www.centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
www.centraltesting.co.nz
www.centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz
centraltesting.co.nz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3cpWndXsjvU7uRzVmMwD
Ma02XCJrkjAxiI9BoIWIFpmzIGqKwokfFoCiAGAv+x1TgEWF57uogp/yDSqyrzq0
3V2RZn4dYdc/4M9juMcMaNbpI40D/pNohliloOHBtpxmpBH2TTX9Nr18szz9r7n8
CUvOOFsvruJZQ7xOU2tp7AfH/hYU0q4fGfabdRtlKLpqRufU2H2mAXBAXeeEoIS4
2RW3YkH4wkZYAewsf0j0KTOLkoIPiAIV65u6ON4Ig7aJy+58OXNgVgVO/PkU2/hs
RaWnN4TZYCnW7iL4bedcSXkYBdjFf8yDF1mavEAoPHHYw3PwaJUzcxGPABtsKmdI
nwIDAQAB
-----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 288659357975518398258906667557267846629046
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-08 11:10:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-02-06 11:10:00 +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.centraltesting.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 27998442154583416440390857816682813147584275136060213831900542175809742487713253908531645357288610319288171684868290647482093186595301872877887286191597232841581954674240792510678528744431264332029298176349569014161728338377171041061934189275427229186405397302409115305993033231154728449636329371988030677078499038686956366759509368344902102270148924819924093536647240619910267989363248350178773908767235117447234302969358824052014712376571823760119391267889783545122082040544200430658684042719333606914493439262435557787481588885833705479596056139097086241061699340896721507082655075134944028040546326774055872972959
 . . . . . . . . . . . . . . . . . . . . [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)
							e742de80ea23434b5219c2ed0212bd2edf5c4339
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (100 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 'centraltesting.co.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.centraltesting.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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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