DV SSL/TLS Certificate for www.centraltesting.co.nz

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.centraltesting.co.nz DV SSL/TLS Certificate

This certificate with serial number 05:d6:cd:ca:09:3b:d4:8b:27:1d:26:59:e1:8e:f8:68:9d:30 for www.centraltesting.co.nz was issued on by Let's Encrypt.

With 8 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for www.centraltesting.co.nz provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:d6:cd:ca:09:3b:d4:8b:27:1d:26:59:e1:8e:f8:68:9d:30
Serial Number (int): 508655396950265323272095600330151251451184
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 3f:a0:51:25:9e:0f:2a:2d:27:37:0e:63:7c:8d:b0:4b:a7:99:2c:d9
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): f5:a7:4a:96:a0:0f:5a:20:19:48:15:12:fe:6f:31:46:04:f6:7c:8a
Fingerprint (SHA-256): 03:0d:ea:7d:85:1f:da:f2:6e:6e:73:aa:e0:34:45:45:74:e3:5e:01:e0:f7:52:20:e7:f9:5d:fd:e3:55:ea:26

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/49.crl

Check the revocation status for certificate www.centraltesting.co.nz
8
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate 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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

centraltesting.co.nz
cpanel.centraltesting.co.nz
cpcalendars.centraltesting.co.nz
cpcontacts.centraltesting.co.nz
mail.centraltesting.co.nz
webdisk.centraltesting.co.nz
webmail.centraltesting.co.nz
www.centraltesting.co.nz

X.509 Certificate

The complete raw X.509 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAujQOJ2TGmgfHYsVnNmRj
MfTp17Oyj9Ge28/nCz+rw7mnuIC2eBDLC7ok3SrYhRXr11c10+Zi7RpesrMoAp9D
wAmw/6afhp07ywEYyhJP4YB+uQU8g3f/JVPfMkpAnCwD9UII2ZKSf4VCwgtUv3H8
LpSOd7P8jr5YzNT2syh1flkCkOEUWrwXwXCn8uEKjr0MvaRxoGwG7aM3zquF/CuR
wOGSeOWfjSBkrDcWGnWNEJAXGrOHk9Ptr1PUVrRVWXHmFMVAv/LMOW3PwhyTwB4c
vuQYVdpCevWybo+Il4Psn7gqpQkDQRZ//8rbj+msofnW05DzNmc+Fg/VZ9ZrtI2j
6wIDAQAB
-----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 508655396950265323272095600330151251451184
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-21 09:23:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-19 09:23:25 +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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 23505994143207673890418590972990948442522316100903374796846040437960979577911967174128546056087208468048912591276220332542377258848678822525820625156017133473973821640174536584797168679753970572491188893128632702458482583131583756287458842101712770728645908648379018218300137035004780705645561833093493934624710930758099272357896903799369150414360030336627391920648705990580273891221352017288029041439366738136280421056518655314931624432834791739880213171737160680549725794659919567331223371650071045952753796817063211395025465550345611428400732944747224925059668030872863661885698165397807826985714847732764425167851
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							3fa051259e0f2a2d27370e637c8db04ba7992cd9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (234 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centraltesting.co.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.centraltesting.co.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.centraltesting.co.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.centraltesting.co.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.centraltesting.co.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.centraltesting.co.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/49.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007500ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000196f25d34e40000040300463044022048c6d73fd8bb4a4199a7806b84d9f7c048d720e7d40b2ae3e7be0a1dc90ccc400220727fb8df057245d5f15361e067f9c3fb1588717ea4499b18b37c8c9f63711803007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000196f25d35360000040300483046022100bd444aa96842ded5f08fe7078528402def32680aa2e7e88ba2c6c965c8a33ff8022100843e2b0497c197ff123398d58b73214d6efa87edf21f612ef0d4cb723013f16f
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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