www.norwich-school.org.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:7e:00:fc:c2:f7:55:f0:34:ee:4a:a9:de:b2:32:24:38:a9 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:
  • 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 has expire since

Certificate Details

Serial Number (hex): 03:7e:00:fc:c2:f7:55:f0:34:ee:4a:a9:de:b2:32:24:38:a9
Serial Number (int): 304213748440510752980256926477142607542441
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 22:d0:f7:22:bb:3d:f8:3e:e7:80:43:19:a7:15:a6:16:40:21:75:ea
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2d:b5:40:5b:80:b9:2d:4b:ef:4b:73:cc:ae:36:e1:b7:94:24:2b:9d
Fingerprint (sha256): c4:19:f7:c0:54:89:0a:e5:6e:09:37:42:d1:8f:44:35:2e:82:50:47:59:02:e8:32:e9:5a:d9:00:9f:06:37:36

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYJXRFg9Lx1sg1dANnLq
MwVJTenC24w1WmM1xlkyxDaG9LKOyUi+0azWHoU3/z9T/T+knHzdgg34DeePn/Ce
j2V9kjZJ0iAoaOWDARWVjmxWZUiG8TSnRwkV35W8vRMEl4P7ZkVnLCyH98+n/ltJ
YSoC32OjRiS5IA3JVy7rV/3c4iU1rWcWqrpb0VjgO56yL3AGd/mP1Ss+RVTHbNtA
MHErfNva4fjSiQtl7JNW/CiDmj/NQkVIJ780G8KEpZp8V9o+65QBhMQcS//tsKf9
K5bNGAfYEX/3sCeY2kq5Q2cv1hTuWuc04ra0PDVRhiPMKuyAoenp5uTS72iyt+ii
KQIDAQAB
-----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 304213748440510752980256926477142607542441
 . . . . . . . . [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 2023-12-04 12:02:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-03 12:02:16 +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 22408453465683996776273927575778324732129972564206360705195267625611296996391272205012064073585695981804066151637737201316886075132204234780682668800748839576813990376802226360890114686947764369236186683548580561574542547700166935037448934950859659055590778740437930727283670303784473680775035997327751923617318677393309402154635269992768093512857653497312473153215289147032965023760658388102438413077760750524835637898475771099737934666861262573906301619565531300156998550918519722313476199245813416903334472708796418899537787711826788154473178361964235475828777843219167741990217844475713036929957699345279374369321
 . . . . . . . . . . . . . . . . . . . . [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)
							22d0f722bb3df83ee7804319a715a616402175ea
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c34ec1ab800000403004830460221008cad1c133915e32c644720f543a1467ccdc4e5ec6b5b3295ffdcef3ab36aabdb02210092a4169a0ddc497f3c412269365443930b11315bbe9c463959eb4feb775caeb30076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c34ec1abd0000040300473045022100cf9901c223e1f0a2f6bae4565b29d4ce83fed496be3e54ec06b02331f5538ba4022025b54c80fbdfe1c34b2ad1c3081d3776b8b4e99ef650a9f55a65cffce08972ea
 . . . . [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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