webmail.trentham.school.nz

Issued by R3

About this certificate

This digital certificate with serial number 03:f8:f2:16:88:e3:47:84:be:44:a0:fd:1f:09:c1:94:2e:20 was issued on by Let's Encrypt.

With 9 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=webmail.trentham.school.nz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f8:f2:16:88:e3:47:84:be:44:a0:fd:1f:09:c1:94:2e:20
Serial Number (int): 346048674973598949186025447856261540621856
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:da:26:1a:55:2a:ff:29:8d:8d:ec:48:60:e4:c0:f5:a5:66:5e:d2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 12:7c:e4:a5:72:a5:b8:ca:e7:d7:d0:45:c9:d1:48:96:d9:f4:b2:00
Fingerprint (sha256): e0:4b:27:98:5e:5c:09:b1:4d:9f:0c:0b:c6:f9:e8:f7:5e:57:36:76:92:93:55:e5:f9:c6:e7:9c:9f:5d:d3:9d

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate webmail.trentham.school.nz

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for webmail.trentham.school.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

autodiscover.trentham.school.nz
cpanel.trentham.school.nz
cpcalendars.trentham.school.nz
cpcontacts.trentham.school.nz
mail.trentham.school.nz
trentham.school.nz
webdisk.trentham.school.nz
webmail.trentham.school.nz
www.trentham.school.nz

Other certificates including the domain name trentham.school.nz

(limited to 100 certificates)
cpcontacts.trentham.school.nz
cpanel.trentham.school.nz
trentham.school.nz
trenthamschool.conceptfusion.co.nz
trentham.school.nz
webmail.trentham.school.nz

Certificate

The complete raw certificate details for webmail.trentham.school.nz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3m/o3vvSpUgC9B+RO7Xc
7nYdzP99lyQGYPnuVrnNdVU0deFbUR7wQDA1/CiGbKKE5B82E0X+XdMD/4XPddUF
vzCOYrBR7OSGOe3kKf1AihKmPanu/baPnHZCHfABpOqGQNdC5Q2puOspLWodgc7K
zUQ3VvGPptyp30Qq8wlFWsCyGCAPQNgSOFkuWXKkNYzGPW9hHVCHonf8lm8hDjeg
DMpNrKD/i4ns6R2a4sI8GdGZsN9MRe81gqY/dVIFeb5hJac6sBZX/12FzpW4VKty
ZawuqzodX2OG723IgievgXPy1Kzw6+B+d9gR4kyEQ80fQHOtLVj9sg7iVLgDxU3D
1QIDAQAB
-----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 346048674973598949186025447856261540621856
 . . . . . . . . [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 2023-09-12 23:34:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-11 23:34:50 +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 'webmail.trentham.school.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 28080088408855698276477908046243310102359532554763670542517672532556726260711263930324086156098467246246240062432332673165470646452556090577323675894986870260710030865075154458940982014441773517749535287366355134840771995867956674259304049368520685523285452184797051158962449597389646079984700556586177205252231031443234795266266727658729196008504832140852780652546913670706723980846692100436651508232839905182592337132587174090836325498666323434574798939127395073965482712741643989035173059234541404461647841222948380534058682913513127347317580936720512693396738994618606914265613719625442164214012439511080949892053
 . . . . . . . . . . . . . . . . . . . . [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)
							49da261a552aff298d8dec4860e4c0f5a5665ed2
 . . . . . . . . . . . . . . . . [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 (251 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.trentham.school.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.trentham.school.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.trentham.school.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.trentham.school.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.trentham.school.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'trentham.school.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.trentham.school.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.trentham.school.nz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.trentham.school.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a8bf6581f0000040300473045022100cfc3cc3ce29a672e61caf537595a9d677d6b4aa1a34a03a5a3c63e7bdeec94720220580d131b139e10357c69aa2d4a459f941b1da115393d535ec1d7b55e5f06ae38007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018a8bf65860000004030046304402205c81c2ce62741c8527f3508b594ada9198b170941cb4ed7a5c0034557f22862402207b64787985a50f045f99c75dde0928afd47b1cc384818320a634c98bed39b54f
 . . . . [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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