centrum.nz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:44:93:99:44:b8:ce:44:a3:ef:46:3e:c8:d7:ff:f6:18:d0 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=centrum.nz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:44:93:99:44:b8:ce:44:a3:ef:46:3e:c8:d7:ff:f6:18:d0
Serial Number (int): 371784537008310212408025824189086828992720
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 70:e8:48:71:13:58:04:04:37:da:8d:3f:3d:55:f8:1b:82:20:c4:bc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6a:16:72:4e:bf:4c:a5:9c:e4:a5:2d:90:8f:3e:a1:95:e1:fb:58:6f
Fingerprint (sha256): c4:34:07:0e:5a:cb:84:e7:67:96:47:6d:7d:0e:1c:85:e6:da:41:d9:a1:b9:c1:47:69:44:47:80:d5:df:ad:eb

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 centrum.nz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for centrum.nz

Public Key Algorithm

RSA

Key Size

4096

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

centrum.nz
www.centrum.nz

Other certificates including the domain name centrum.nz

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 371784537008310212408025824189086828992720
 . . . . . . . . [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 2019-11-24 16:13:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-22 16:13:28 +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 'centrum.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 822366816174629101773018059587569384967053475820296544180701334363241951660642093741490974123216288644348232360808855414862879249728248100260393947576258192920372762998832963816311928537270980736162845812658930450551992452028891525013088503082033116619687782722937122545571776811426352324100219402732888642838427190072525442393657976611711868223669884309553443491986407057089713877473474831462949670922288150468311520174044328796235891771396302625351005189585725441834914844203374207095778751452737850243076215542921177064635397145474999378489967516159967435198088381409896937724562734579019695172673631165107747307541015336856509754380972202764093503959789211141502577558186629437839118449858616723898530714185792195021380007835389990443880311999229420161920056194160523303096781972249290398299842598495852124623625488240686924495114428137989110331943140768050765958666233214392305032921349380786770985610275188978241926510555758561653717881303654117435170194302832478039136263786079320961381702983103144896959466530777655740047146644685517410018990448930952639057070846339950342088974362231201940928745199484933309501169658814630829596326050948571638579085957729143033602709429928455161901310670776724617839918870150834772070814853
 . . . . . . . . . . . . . . . . . . . . [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)
							70e848711358040437da8d3f3d55f81b8220c4bc
 . . . . . . . . . . . . . . . . [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 (99 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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centrum.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.centrum.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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e9e676bd3000004030047304502202065c66b0cd38a2dd68b6ab198e7e1a23d794201ff63ece59474fcbc3790adbc022100b8cc86c06f87793553334d88279c84c801891d482d3f2438fa78ba43359f6a970076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e9e676c060000040300473045022051f5e4b8dbc4325b4e0a3652117abee67e0dec1fe27662341ea7c536d282b4e4022100e67f21e709c331d6aaa7516e735a04b3436b3fb7a3aaf7b3e89b808baccbec6f
 . . . . [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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