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:e1:18Serial 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.orgCheck 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
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----- MIIEDDCCAvSgAwIBAgISA551QYcS/cPFYJ4+C+hbneEYMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA0MDIxMjA1MDNaFw0yNDA3MDExMjA1MDJaMCQxIjAgBgNVBAMT GXd3dy5ub3J3aWNoLXNjaG9vbC5vcmcudWswggEiMA0GCSqGSIb3DQEBAQUAA4IB DwAwggEKAoIBAQC9awp+KshqR6Rzp3e8vTdChilRslze/MwjdpqWV8Rt2yrtapqG UGTxWu/ItFZrqgtUNCPke/o464mtFfBQQJIaljib2OeH1uoA1txsV1CiVPZSC6X6 3uyRCzdwVrUZqgEMta8gLe4gil4iM6/JuBv/0GPc4XCH9aLiqkByCv5YpBC4ISOO P+GRZox9Zf+aGSqX2tWFf0zI6O2d984dWeJPNOYk91OvftquN4i3Fk9C2+Uz4oCR klckqBwUdZMNnxn/mEmuntK2YZ7cGn2n/kOm8FpZW5lq3iem/vFXlb+xmQ2yxOK8 cY9kVtAX37o1IIPuBoDP+dFdPM0lLInhrHiJAgMBAAGjggEoMIIBJDAOBgNVHQ8B Af8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB /wQCMAAwHQYDVR0OBBYEFJq4YhU8XLtRhYYVE97HjvIcXzFLMB8GA1UdIwQYMBaA FBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcw AYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMu aS5sZW5jci5vcmcvMCQGA1UdEQQdMBuCGXd3dy5ub3J3aWNoLXNjaG9vbC5vcmcu dWswEwYDVR0gBAwwCjAIBgZngQwBAgEwEwYKKwYBBAHWeQIEAwEB/wQCBQAwDQYJ KoZIhvcNAQELBQADggEBAI5l/MlWSzenfSnWMtarzh/bpnTGzt+WpmEblDsdTslF 6YUSl/DiJfgeyaFVA4zY12QBC9YUl0u/T2MmJlHqNotZGBz811mTSzaxj1bmt6yU eBteO/XUb3kbzIm4P+Yk6B4+zxwRfhuWLqd1sPdY9/mhFHxKhynCqf1OszRlNInR 9vzVBpd0N6ESXWVJVDxD6TyCFgR5G9csYgm7XY59XZ7ppoQ33ZfbMbaiyiUODQDs /L11Sefx4TsegwndRA4wgGJgK8F905gT4ZibU0B+USsEAb5FEDRCbj+vyFLcEACe HCiHo2W0wq27ai+KwP6sr+nsZr7/v6vMXcYQr6hFxUI= -----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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