*.cgsb.co.uk

- The Thinking Schools Academy Trust -

Issued by GeoTrust SSL CA - G3

About this certificate

This digital certificate with serial number 0c:84:ad:d5:8b:e3:6f:05:fd:9a:c0:dc:0e:75:8e:37 was issued on by GeoTrust Inc..

With 2 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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

The Thinking Schools Academy Trust

Organization: The Thinking Schools Academy Trust
Organization unit: Networks
State / Province: Kent
Locality: Rochester
Country: GB

GeoTrust Inc.

Organization: GeoTrust Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0c:84:ad:d5:8b:e3:6f:05:fd:9a:c0:dc:0e:75:8e:37
Serial Number (int): 16639644910499001818505895302101569079
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: d2:6f:f7:96:f4:85:3f:72:3c:30:7d:23:da:85:78:9b:a3:7c:5a:7c

Fingerprint (sha1): b8:74:71:03:7e:17:73:bf:92:0a:c2:1a:a2:e5:68:09:ed:db:ff:17
Fingerprint (sha256): e8:5e:0e:e0:4a:a5:72:98:de:3f:ce:6b:1b:87:86:84:83:c5:d1:f6:f7:d7:5b:af:ea:c3:a7:df:d2:25:62:5b

Issuing Certificate URL: http://gn.symcb.com/gn.crt

Revocation information

OCSP Server: http://gn.symcd.com
CRL Distribution Point: http://gn.symcb.com/gn.crl

Check the revocation status for certificate *.cgsb.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.cgsb.co.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.cgsb.co.uk
cgsb.co.uk

Other certificates including the domain name cgsb.co.uk

(limited to 100 certificates)

Certificate

The complete raw certificate details for *.cgsb.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA44093rkoojLaEnKu/07i
TkmwFtRgwv2HlNYKSknqp2X0eWlLeXk12I2anYhcC/Y42VfjekL44kfqC9KoTvXm
uDjn1Ranx4YJzZgR8Kso6boWGmxF9eiUTdmVtHllhYTKVUsXouhZExsLcKmpeeH3
Gu5UOHRATmNZK7A/bFx+r8qM/RwiWNcktHjP/dqoc0EIqtHv3C8ffGpfNAQwCiRE
JMVzZU12/6B+/s14ajBwz7RSXjXwauL8wgkBcJ7JU7+tAYZx3DHA/hpTXptu/gR4
BUWReZTRiIEwhdPTlWq4iECJpsB8zlZH/yNFmCyt5pCL2Cb3fWd9oesRjOmXQTpQ
BQIDAQAB
-----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 16639644910499001818505895302101569079
 . . . . . . . . [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 'GeoTrust Inc.'
 . . . . . . . . . . . . [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 'GeoTrust SSL CA - G3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-01-14 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-02 23:59:59 +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 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GB'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Kent'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Rochester'
 . . . . . . . . . . . . [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:12|false] UTF8String 'The Thinking Schools Academy Trust'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Networks'
 . . . . . . . . . . . . [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:12|false] UTF8String '*.cgsb.co.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 28725744095422728682986125579694687160580568175771733335798185094548654133048720829458775988431051121867874776010047468394532163481474992720141575122853310856578562962448633674256853405660768168543955745958291507650113668845576066362275843145957304087793065155200330394302199130520598768214306322290457126940151685497238614674629982393268042508113170965410439328853289990557754770135331361772231395321700608971012032240239793619749703381314298173383837927483639600583808271501086113632492527266393434054720829296811451695604140211353026784211272406832226020490244955119934209735672795057706958147947197107755791568901
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.cgsb.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cgsb.co.uk'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 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://gn.symcb.com/gn.crl'
 . . . . . . . . . . . . . . . . [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 (153 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113733.1.7.54
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://www.geotrust.com/resources/repository/legal'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'https://www.geotrust.com/resources/repository/legal'
 . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName d26ff796f4853f723c307d23da85789ba37c5a7c
 . . . . . . . . . . . . . . . . [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 (75 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://gn.symcd.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://gn.symcb.com/gn.crt'
 . . . . [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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