mailer.kiwischools.co.nz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4b:8a:70:d4:0b:c6:a7:5f:ac:e9:ed:a4:67:ab:61:59:84 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=mailer.kiwischools.co.nz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4b:8a:70:d4:0b:c6:a7:5f:ac:e9:ed:a4:67:ab:61:59:84
Serial Number (int): 287042054615821425126961966574953920813444
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 70:58:0b:c9:a1:cd:32:eb:84:23:a2:22:6f:65:50:d8:15:c9:f4:49
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 56:c4:f6:84:78:d6:00:f9:06:8f:ea:f6:90:6d:42:14:93:b9:5d:5f
Fingerprint (sha256): 46:e0:7f:d1:e3:3e:d1:c2:98:9e:9f:7d:35:78:91:15:6a:5e:c4:67:f5:35:a6:37:8e:e5:6c:dd:2e:83:3a:4d

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 mailer.kiwischools.co.nz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mailer.kiwischools.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

mailer.kiwischools.co.nz

Other certificates including the domain name kiwischools.co.nz

(limited to 100 certificates)
beta.kiwischools.co.nz
dashboard.kiwischools.co.nz
kiwischools.com
kiwischools.co.nz
www.kiwischools.co.nz
mailer.kiwischools.co.nz
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kiwischools.co.nz
kiwischools.co.nz
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support.kiwischools.co.nz
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portal.kiwischools.co.nz
mailer.kiwischools.co.nz
dashboard.kiwischools.co.nz
mailer.kiwischools.co.nz
dashboard.kiwischools.co.nz
kiwischools.co.nz
support.kiwischools.co.nz
dashboard.kiwischools.co.nz
kiwischools.com
dashboard.kiwischools.co.nz
kiwischools.com
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mailer.kiwischools.co.nz
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mailer.kiwischools.co.nz
gitlab.kiwischools.co.nz
kiwischools.com
kiwischools.com
mailer.kiwischools.co.nz
kiwischools.co.nz
mailer.kiwischools.co.nz
beta.kiwischools.co.nz
kiwischools.co.nz
kiwischools.com
kiwischools.co.nz
kiwischools.com
images.kiwischools.co.nz
kiwischools.com
kiwischools.co.nz
kiwischools.com
mailer.kiwischools.co.nz
cdn.kiwischools.co.nz
kiwischools.com
kiwischools.co.nz
www.kiwischools.co.nz
kiwischools.com
images.kiwischools.co.nz
kiwischools.co.nz
cdn.kiwischools.co.nz
kiwischools.com
www.kiwischools.co.nz
kiwischools.com
beta.kiwischools.co.nz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArw6rj8C/z9qKn5qr7PXZ
GGE670sPVpTOWLOo1ncGTgASmZfndvHoFBndJTn8wbSi6BkWfAixJLvw+25ETJSX
cGSrCzOaxnxZag+qfkfWzXA5P3OhMDqSt89YdNOTKq+0Rjx0ypZ64DN40m5FhpDK
e/WkD3JkOaYkHWjUdVqdZM20DKx9NmSnnYERbsKFOEcx1Le7Kp/bC96TIhpWT9uy
AA+HXZKlH5fMPEZFV4ls6hD4ESaHOyroIoJ/ajVRbbWrEB4O9tuK58ru8FsAWDBL
M8ERZeGou7NDfUqMbp4AtGTACeisnYF2eBYLGVG6t2giRA28zbPOJqpByKfHjOJY
ZwIDAQAB
-----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 287042054615821425126961966574953920813444
 . . . . . . . . [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 2019-01-08 22:05:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-08 22:05:29 +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 'mailer.kiwischools.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 22098937495683149620663334643677016736551899528762112143019621931202786712914175330508779696813338551551858870515768050150932230801743627249935561913305417649364620981037568322748242382538944361815315310209630918548319518731887868150999348508617048048214315658237179275604109623268417223061129174060824323196498657533476327257655771025221242772358217414302635767592834850247192469509114579539463462717408306222760050465409034274699279543316789478941188184299055597866112274257878218753637514652510442124374326066785441347151581952944997839718459264994091592595787377548658563824670478258303995946041451716215558002791
 . . . . . . . . . . . . . . . . . . . . [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)
							70580bc9a1cd32eb8423a2226f6550d815c9f449
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mailer.kiwischools.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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001682fb6b5260000040300463044022060743d5c68e6a51ed1b91b0ee26a3542873a26625112a2b92e45f95bc559a06d022036694ce6c823866040e4f42f8338495cd73a6e952943d4112c727d480d3d4a70007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001682fb6b52b0000040300473045022100d6729da784ba943e3f9ece8f80c32c89179101bb831344c8188fea9e76b08f3f022003d9f88f9988b46c0594096609aa69ca99fa4202c3a47cffe981c86fc14897e0
 . . . . [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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