optimus.nuserver.co.uk

Issued by COMODO SSL CA

About this certificate


This digital certificate with serial number be:ef:34:1f:f8:ee:58:aa:da:1d:5a:32:dc:8a:a6:f5 was issued on by COMODO CA Limited .

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

optimus.nuserver.co.uk

Organization unit: Domain Control Validated
Organization unit: COMODO SSL Unified Communications

COMODO CA Limited

Organization: COMODO CA Limited

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): be:ef:34:1f:f8:ee:58:aa:da:1d:5a:32:dc:8a:a6:f5
Serial Number (int): 253795335366736692984674302028694595317
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 17:60:87:2b:49:56:95:81:0d:df:04:09:e7:5b:b9:d7:94:7d:16:9c
AuthorityKeyId: 1b:6b:bd:1f:8a:49:18:94:54:37:55:b4:20:17:ed:37:b9:77:18:7d

Fingerprint (sha1): 35:af:92:29:73:51:6d:1a:58:3d:3a:cc:d5:bf:17:6f:bf:03:77:cf
Fingerprint (sha256): 43:fc:43:bf:44:46:36:9e:d5:c4:1b:d2:2d:08:05:65:e3:04:c8:e1:a2:2d:aa:e3:c7:8e:42:02:bd:bc:a1:1f

Issuing Certificate URL: http://crt.comodoca.com/COMODOSSLCA.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com
CRL Distribution Point: http://crl.comodoca.com/COMODOSSLCA.crl

Check the revocation status for the current certificate on optimus.nuserver.co.uk
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 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

optimus.nuserver.co.uk
hosting.nubluedocs.co.uk
knowledge.nublue.co.uk

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFOTCCBCGgAwIBAgIRAL7vNB/47liq2h1aMtyKpvUwDQYJKoZIhvcNAQEFBQAw cDELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxFjAUBgNV BAMTDUNPTU9ETyBTU0wgQ0EwHhcNMTQwNjAyMDAwMDAwWhcNMTUwNjAyMjM1OTU5 WjBwMSEwHwYDVQQLExhEb21haW4gQ29udHJvbCBWYWxpZGF0ZWQxKjAoBgNVBAsT IUNPTU9ETyBTU0wgVW5pZmllZCBDb21tdW5pY2F0aW9uczEfMB0GA1UEAxMWb3B0 aW11cy5udXNlcnZlci5jby51azCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBALpVZ98D+bitxBK2S9f1rMQc4ctByN0Mzp9qKqsEgRCsBj9F+trL9fCHcLq9 8VfYUNwd6QVoME8ElUNrfCzu3mr9WR/vBzrwoWMVgS4/O6sQpVxnyEoYa6Fu/Z/w 1Smw91Tc3tqtNfvd/ExmemUR7VOtPBravs8FQPKie1EE6fxiWz3iJPLARNmcp6Bi 7ocm/x7eunHGZywsLygTBla2KjLI038S3pkKe1O+LXEz/xJhMZuF/fDaHusLdk9x sThcmXnS9bWsj8F1iAhaeCZyNHFqZB2H455ppWdBhqyFNzsJLymbBBuFahOapUYo cc0NAdQ5OyMYRKqdkMR/poXJ7VsCAwEAAaOCAcwwggHIMB8GA1UdIwQYMBaAFBtr vR+KSRiUVDdVtCAX7Te5dxh9MB0GA1UdDgQWBBQXYIcrSVaVgQ3fBAnnW7nXlH0W nDAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwTwYDVR0gBEgwRjA6BgsrBgEEAbIxAQICBzArMCkGCCsG AQUFBwIBFh1odHRwczovL3NlY3VyZS5jb21vZG8uY29tL0NQUzAIBgZngQwBAgEw OAYDVR0fBDEwLzAtoCugKYYnaHR0cDovL2NybC5jb21vZG9jYS5jb20vQ09NT0RP U1NMQ0EuY3JsMGkGCCsGAQUFBwEBBF0wWzAzBggrBgEFBQcwAoYnaHR0cDovL2Ny dC5jb21vZG9jYS5jb20vQ09NT0RPU1NMQ0EuY3J0MCQGCCsGAQUFBzABhhhodHRw Oi8vb2NzcC5jb21vZG9jYS5jb20wUwYDVR0RBEwwSoIWb3B0aW11cy5udXNlcnZl ci5jby51a4IYaG9zdGluZy5udWJsdWVkb2NzLmNvLnVrghZrbm93bGVkZ2UubnVi bHVlLmNvLnVrMA0GCSqGSIb3DQEBBQUAA4IBAQBPVIHcy7rMOeDnodgwanj3fsNj ZZTACBiRc+612AlSzAldzIDxAlY7wT7OyaOTeZ4VWMY4TVPeeNaDf1Cu8EVru7h4 OxBC665yk/xzKUKxZDbojah84+IdggYcXqh5zx6+KUlC73/iqJrPqNJgN0JS+8wr iXbgWXVpyplMvGNUgukQ/f4qLfSO2okqExs42uTfyQ0qxG7JP5XUOAS9StUYdIsb P77abNmGGBqjlHydA/ZbBttQbDgLR8Doq4A7gqRPU8uw7mmkvjfXEHyD9FWsrM4G VYqjoLVG287fWJTQGzfFFv1PDJwTvxK32MT1qkyTjgRyOCJLhN8TBN/G+Gnr -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAulVn3wP5uK3EErZL1/Ws xBzhy0HI3QzOn2oqqwSBEKwGP0X62sv18Idwur3xV9hQ3B3pBWgwTwSVQ2t8LO7e av1ZH+8HOvChYxWBLj87qxClXGfIShhroW79n/DVKbD3VNze2q01+938TGZ6ZRHt U608Gtq+zwVA8qJ7UQTp/GJbPeIk8sBE2ZynoGLuhyb/Ht66ccZnLCwvKBMGVrYq MsjTfxLemQp7U74tcTP/EmExm4X98Noe6wt2T3GxOFyZedL1tayPwXWICFp4JnI0 cWpkHYfjnmmlZ0GGrIU3OwkvKZsEG4VqE5qlRihxzQ0B1Dk7IxhEqp2QxH+mhcnt WwIDAQAB -----END PUBLIC KEY-----

ASN1 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 253795335366736692984674302028694595317 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 '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:19|false] PrintableString 'Greater Manchester' . . . . . . . . . . . . [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:19|false] PrintableString 'Salford' . . . . . . . . . . . . [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 'COMODO CA Limited' . . . . . . . . . . . . [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 'COMODO SSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-06-02 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-06-02 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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated' . . . . . . . . . . . . [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:19|false] PrintableString 'COMODO SSL Unified Communications' . . . . . . . . . . . . [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 'optimus.nuserver.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 23522439867036042203759967824686093819800576970848122754175799065561327684469188863405538312868124789711026104533016266392187519198693884325720569028968611433698826336525559544721256912868945944264096534055316420672568332841638489994228020301477395354078989879788369375497856057840169605865790150394267792321657026678949615933364556546788064950418042044610152612633778536754476929759652888734070600124959934909874897153482746687245171982595240129939951881582746961947557500359616471502604426585525862122527400093681147421550711081403827896278917586527697576204006356513768707336373565624925242774709708816415957052763 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 1b6bbd1f8a491894543755b42017ed37b977187d . . . . . . . . . . . . . . . . [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) 1760872b495695810ddf0409e75bb9d7947d169c . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (72 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://secure.comodo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (49 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://crl.comodoca.com/COMODOSSLCA.crl' . . . . . . . . . . . . . . . . [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 (93 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.comodoca.com/COMODOSSLCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://ocsp.comodoca.com' . . . . . . . . . . . . . . . . [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 (76 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'optimus.nuserver.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hosting.nubluedocs.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'knowledge.nublue.co.uk' . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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