www.norwich-school.org.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:9e:75:41:87:12:fd:c3:c5:60:9e:3e:0b:e8:5b:9d:e1:18 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=www.norwich-school.org.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:9e:75:41:87:12:fd:c3:c5:60:9e:3e:0b:e8:5b:9d:e1:18
Serial Number (int): 315257331683221596886350863975566085579032
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9a:b8:62:15:3c:5c:bb:51:85:86:15:13:de:c7:8e:f2:1c:5f:31:4b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 20:52:87:12:af:68:40:9d:1d:6d:e7:66:1e:5f:50:67:d4:4b:a0:c2
Fingerprint (sha256): 7e:9f:29:12:98:76:96:48:48:83:25:3e:16:35:aa:2e:aa:80:b1:75:de:06:bc:89:94:73:1e:d0:03:b1:9a:b4

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

Revocation information

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

Check the revocation status for certificate www.norwich-school.org.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.norwich-school.org.uk

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

www.norwich-school.org.uk

Other certificates including the domain name norwich-school.org.uk

(limited to 100 certificates)
accessedge.norwich-school.org.uk
webmail.norwich-school.org.uk
mail.norwich-school.org.uk
*.norwich-school.org.uk
vle.norwich-school.org.uk
*.norwich-school.org.uk
nsfirebox.norwich-school.org.uk
www.norwich-school.org.uk
nsfirebox.norwich-school.org.uk
norwich-school.org.uk
www.norwich-school.org.uk
www.norwich-school.org.uk
support.norwich-school.org.uk
*.norwich-school.org.uk
sslvpn.norwich-school.org.uk
*.norwich-school.org.uk
my.norwich-school.org.uk
vle.norwich-school.org.uk
nsfirebox.norwich-school.org.uk
www.norwich-school.org.uk
my.norwich-school.org.uk
nsfirebox.norwich-school.org.uk
vle.norwich-school.org.uk
support.split-apartments-rooms.com
webmail.norwich-school.org.uk
www.norwich-school.org.uk
my.norwich-school.org.uk
www.norwich-school.org.uk
bannock.norwich-school.org.uk
nsfirebox.norwich-school.org.uk
www.norwich-school.org.uk
estream.norwich-school.org.uk
sslvpn.norwich-school.org.uk
www.norwich-school.org.uk
oliver.norwich-school.org.uk
oliver.norwich-school.org.uk
www.norwich-school.org.uk
mail.norwich-school.org.uk
citrix.norwich-school.org.uk
citrix.norwich-school.org.uk
rdg.norwich-school.org.uk
*.Norwich-school.org.uk
my.norwich-school.org.uk
*.Norwich-school.org.uk
*.norwich-school.org.uk
my.norwich-school.org.uk
www.norwich-school.org.uk
www.norwich-school.org.uk
my.norwich-school.org.uk
www.norwich-school.org.uk
www.norwich-school.org.uk
my.norwich-school.org.uk
*.Norwich-school.org.uk
vle.norwich-school.org.uk
www.norwich-school.org.uk
my.norwich-school.org.uk
*.Norwich-school.org.uk
my.norwich-school.org.uk
support.split-apartments-rooms.com
vle.norwich-school.org.uk
*.norwich-school.org.uk
www.norwich-school.org.uk
www.norwich-school.org.uk
www.norwich-school.org.uk
support.split-apartments-rooms.com
www.norwich-school.org.uk
my.norwich-school.org.uk
*.norwich-school.org.uk
www.norwich-school.org.uk

Certificate

The complete raw certificate details for www.norwich-school.org.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvWsKfirIakekc6d3vL03
QoYpUbJc3vzMI3aallfEbdsq7WqahlBk8VrvyLRWa6oLVDQj5Hv6OOuJrRXwUECS
GpY4m9jnh9bqANbcbFdQolT2Ugul+t7skQs3cFa1GaoBDLWvIC3uIIpeIjOvybgb
/9Bj3OFwh/Wi4qpAcgr+WKQQuCEjjj/hkWaMfWX/mhkql9rVhX9MyOjtnffOHVni
TzTmJPdTr37arjeItxZPQtvlM+KAkZJXJKgcFHWTDZ8Z/5hJrp7StmGe3Bp9p/5D
pvBaWVuZat4npv7xV5W/sZkNssTivHGPZFbQF9+6NSCD7gaAz/nRXTzNJSyJ4ax4
iQIDAQAB
-----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 315257331683221596886350863975566085579032
 . . . . . . . . [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 2024-04-02 12:05:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-01 12:05:02 +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.norwich-school.org.uk'
 . . . . . . . . [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 23911823516881068065835080233812527189947289312581639117793671808713811481887972860087631195261291813288255469663539130353401522638664398772145705968567461243201406708393295259997449322225111714526662852968399645605794613983485003285198054007856753091697630683922662008660737435310845048671910235263741699485071246324646030291934144538310118169320186576729120470334566249221126438160795484730075817366014875288346554864109326465146249603707588735717114040128368068756442974351813821424782703281190253596510902949954556545460658564474613353616486888860641362900917987381273748011362078207987932163749485524981807609993
 . . . . . . . . . . . . . . . . . . . . [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)
							9ab862153c5cbb5185861513dec78ef21c5f314b
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.norwich-school.org.uk'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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