optimum1.co.uk
Issued by cPanel, Inc. Certification Authority
About this certificate
This digital certificate with serial number cf:90:5d:53:bf:f9:19:84:42:6b:c0:5e:18:23:dd:6c was issued on by cPanel, Inc..
With 8 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)
Certificate Subject
CN=optimum1.co.uk
cPanel, Inc.
Organization:
cPanel, Inc.
State / Province:
TX
Locality: Houston
Country: US
Locality: Houston
Country: US
This certificate has expire since
Certificate Details
Serial Number (hex): cf:90:5d:53:bf:f9:19:84:42:6b:c0:5e:18:23:dd:6cSerial Number (int): 275899778774550009062765271109058420076
Serial Number lenght: 128 bits, 16 octets
SubjectKeyId: f0:e4:42:87:67:3f:1d:c1:cf:52:c0:db:a7:10:75:95:60:d2:13:19
AuthorityKeyId: 7e:03:5a:65:41:6b:a7:7e:0a:e1:b8:9d:08:ea:1d:8e:1d:6a:c7:65
Fingerprint (sha1): 1f:32:04:4c:f6:7b:fe:e1:ad:1e:6b:00:84:83:f5:c8:bf:44:c8:48
Fingerprint (sha256): c4:e0:ad:86:3e:51:6f:c7:f0:62:a2:a2:9d:5f:c1:61:31:86:98:02:31:7a:bd:b2:8b:ba:e7:8b:cf:6a:21:63
Issuing Certificate URL: http://crt.comodoca.com/cPanelIncCertificationAuthority.crt
Revocation information
OCSP Server: http://ocsp.comodoca.comCRL Distribution Point: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl
Check the revocation status for certificate optimum1.co.uk
8
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for optimum1.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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
optimum1.co.uk
cpanel.optimum1.co.uk
mail.optimum1.co.uk
optimum1.core-process.co.uk
webdisk.optimum1.co.uk
webmail.optimum1.co.uk
www.optimum1.co.uk
www.optimum1.core-process.co.uk
cpanel.optimum1.co.uk
mail.optimum1.co.uk
optimum1.core-process.co.uk
webdisk.optimum1.co.uk
webmail.optimum1.co.uk
www.optimum1.co.uk
www.optimum1.core-process.co.uk
Other certificates including the domain name optimum1.co.uk
(limited to 100 certificates)
Certificate
The complete raw certificate details for optimum1.co.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFgzCCBGugAwIBAgIRAM+QXVO/+RmEQmvAXhgj3WwwDQYJKoZIhvcNAQELBQAw cjELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAlRYMRAwDgYDVQQHEwdIb3VzdG9uMRUw EwYDVQQKEwxjUGFuZWwsIEluYy4xLTArBgNVBAMTJGNQYW5lbCwgSW5jLiBDZXJ0 aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0xNzA0MjQwMDAwMDBaFw0xNzA3MjMyMzU5 NTlaMBkxFzAVBgNVBAMTDm9wdGltdW0xLmNvLnVrMIIBIjANBgkqhkiG9w0BAQEF AAOCAQ8AMIIBCgKCAQEAtncenMIukCSiU8chCyFftQSN+VdW19O8RJMYYtRwNl+y 6HVotBao593LtsMptyCUB84gtCv/G4kEQftnmuGoED2KEVsQMrFLAnf4qzDJvXPs w+bO21t0Xy7xs/skHCBipoPOfj4lxFRvAO9xMRR/YZDF9/agl8WYa/49ZmXHkMaO Yyzhu1ht1BzdF2H3ckIMqj4Zt1hH2zVrgpWpY1WMboMKvD5pKWOVBMcGpnxJnemm k9fnpRvqEDQr/hfVDP/1o0oKg2ltjRbA9mhOb+PFmC9nHjL3ZePdPksMIGireJgJ X+4dWTAYW4xDyzwbKP+gBVbEe2jMzC+rV5ZzGliMhwIDAQABo4ICazCCAmcwHwYD VR0jBBgwFoAUfgNaZUFrp34K4bidCOodjh1qx2UwHQYDVR0OBBYEFPDkQodnPx3B z1LA26cQdZVg0hMZMA4GA1UdDwEB/wQEAwIFoDAMBgNVHRMBAf8EAjAAMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBPBgNVHSAESDBGMDoGCysGAQQBsjEB AgI0MCswKQYIKwYBBQUHAgEWHWh0dHBzOi8vc2VjdXJlLmNvbW9kby5jb20vQ1BT MAgGBmeBDAECATBMBgNVHR8ERTBDMEGgP6A9hjtodHRwOi8vY3JsLmNvbW9kb2Nh LmNvbS9jUGFuZWxJbmNDZXJ0aWZpY2F0aW9uQXV0aG9yaXR5LmNybDB9BggrBgEF BQcBAQRxMG8wRwYIKwYBBQUHMAKGO2h0dHA6Ly9jcnQuY29tb2RvY2EuY29tL2NQ YW5lbEluY0NlcnRpZmljYXRpb25BdXRob3JpdHkuY3J0MCQGCCsGAQUFBzABhhho dHRwOi8vb2NzcC5jb21vZG9jYS5jb20wgckGA1UdEQSBwTCBvoIOb3B0aW11bTEu Y28udWuCFWNwYW5lbC5vcHRpbXVtMS5jby51a4ITbWFpbC5vcHRpbXVtMS5jby51 a4Ibb3B0aW11bTEuY29yZS1wcm9jZXNzLmNvLnVrghZ3ZWJkaXNrLm9wdGltdW0x LmNvLnVrghZ3ZWJtYWlsLm9wdGltdW0xLmNvLnVrghJ3d3cub3B0aW11bTEuY28u dWuCH3d3dy5vcHRpbXVtMS5jb3JlLXByb2Nlc3MuY28udWswDQYJKoZIhvcNAQEL BQADggEBADBKG9ti/9YZIjodbavMZkdEYVs6bRu8A91/b1pGFdzy59c+m1AS6Q0F yixGqWCrG/TuQlG0GCywA2uXX9bAfioQdi85M89XHD88Q31q6GfQBjvXn+exyIpp EIyOiUWnZBarECELlVUAyZ48Ud0JAHrZhV3N7CxrdZgYKw/PRzNypYsSYfA74HlO Dg66S+O0MokoJAg4wXeqzWNkMamP3PMw8/AvzWdi90eZtyIjx8xqti58ZZA+e6l3 Tj9Mrv5aAv5jR9WQOByp9TZvHhz8Yz0aAiWQ1PLBFiOUZpTxhG33SAoEEVV4+XA8 4SxUOSEdI57cBbk4RlrF021+P0KJCH4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtncenMIukCSiU8chCyFf tQSN+VdW19O8RJMYYtRwNl+y6HVotBao593LtsMptyCUB84gtCv/G4kEQftnmuGo ED2KEVsQMrFLAnf4qzDJvXPsw+bO21t0Xy7xs/skHCBipoPOfj4lxFRvAO9xMRR/ YZDF9/agl8WYa/49ZmXHkMaOYyzhu1ht1BzdF2H3ckIMqj4Zt1hH2zVrgpWpY1WM boMKvD5pKWOVBMcGpnxJnemmk9fnpRvqEDQr/hfVDP/1o0oKg2ltjRbA9mhOb+PF mC9nHjL3ZePdPksMIGireJgJX+4dWTAYW4xDyzwbKP+gBVbEe2jMzC+rV5ZzGliM hwIDAQAB -----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 275899778774550009062765271109058420076 . . . . . . . . [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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'TX' . . . . . . . . . . . . [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 'Houston' . . . . . . . . . . . . [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 'cPanel, 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 'cPanel, Inc. Certification Authority' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-24 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-07-23 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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'optimum1.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 23034111557718905067028037883483465675879883093571064435197289992939264980981628681027394022316549144210038695158385637439198080142737828035515004161526806977035297968697416419437742293708949992745962197428930251328157137681503924389329074064732571761658675208937356505184279725137144554083149492814895152939030168666636637145604747619670217805302495173703490993718116469178269451654729944376713973991625479557518709459814554696900022807325418254530883477703306355388208982325808505909350460742942115306173958156949271494975825959603988577666773482780455687651721560539154561267490315452470845077115332065729707543687 . . . . . . . . . . . . . . . . . . . . [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 7e035a65416ba77e0ae1b89d08ea1d8e1d6ac765 . . . . . . . . . . . . . . . . [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) f0e44287673f1dc1cf52c0dba710759560d21319 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.6449.1.2.2.52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (69 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/cPanelIncCertificationAuthority.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 (113 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/cPanelIncCertificationAuthority.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 (193 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'optimum1.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.optimum1.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.optimum1.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'optimum1.core-process.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.optimum1.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.optimum1.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.optimum1.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.optimum1.core-process.co.uk' . . . . [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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