www.concentralearning.com

Issued by GeoTrust DV SSL CA

About this certificate


This digital certificate with serial number 04:aa:c9 was issued on by GeoTrust Inc. .

With 2 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.

www.concentralearning.com

Company registration number: -7VC1awnv4aZ0/pumcoEu54Tt0B96cIo
Organization unit: GT70689454
Organization unit: See www.geotrust.com/resources/cps (c)12
Organization unit: Domain Control Validated - QuickSSL(R) Premium

GeoTrust Inc.

Organization: GeoTrust Inc.
Organization unit: Domain Validated SSL

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 04:aa:c9
Serial Number (int): 305865
Serial Number lenght: 19 bits, 3 octets

SubjectKeyId: 9a:72:9e:e4:af:50:3b:ee:ee:28:54:51:2a:10:de:f0:80:57:3f:30
AuthorityKeyId: 8c:f4:d9:93:0a:47:bc:00:a0:4a:ce:4b:75:6e:a0:b6:b0:b2:7e:fc

Fingerprint (sha1): 1e:77:ef:9a:6c:dc:f4:52:7f:25:31:b2:ea:57:4e:06:01:94:bc:cb
Fingerprint (sha256): 27:22:4c:d9:ff:a3:9e:53:02:77:f5:2b:40:1e:e3:7d:67:4f:16:15:be:44:b1:be:24:8f:cd:27:20:c2:9e:42

Issuing Certificate URL: http://gtssldv-aia.geotrust.com/gtssldv.crt

Revocation information

OCSP Server: http://gtssldv-ocsp.geotrust.com
CRL Distribution Point: http://gtssldv-crl.geotrust.com/crls/gtssldv.crl

Check the revocation status for the current certificate on www.concentralearning.com
2
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

www.concentralearning.com
concentralearning.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFdzCCBF+gAwIBAgIDBKrJMA0GCSqGSIb3DQEBBQUAMGExCzAJBgNVBAYTAlVT MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMR0wGwYDVQQLExREb21haW4gVmFsaWRh dGVkIFNTTDEbMBkGA1UEAxMSR2VvVHJ1c3QgRFYgU1NMIENBMB4XDTEyMDcxODAx Mjk1NloXDTEzMDkxOTEyMzc0MlowgdAxKTAnBgNVBAUTIC03VkMxYXdudjRhWjAv cHVtY29FdTU0VHQwQjk2Y0lvMRMwEQYDVQQLEwpHVDcwNjg5NDU0MTEwLwYDVQQL EyhTZWUgd3d3Lmdlb3RydXN0LmNvbS9yZXNvdXJjZXMvY3BzIChjKTEyMTcwNQYD VQQLEy5Eb21haW4gQ29udHJvbCBWYWxpZGF0ZWQgLSBRdWlja1NTTChSKSBQcmVt aXVtMSIwIAYDVQQDExl3d3cuY29uY2VudHJhbGVhcm5pbmcuY29tMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxRmwHZrNdXjs6OJex7kg8M/Lg2DsO2fA ACY7y/1lHw9oAoE5lC3H9wQdbf/RORtUbUOtbN6RvRkAdsIMH4kHbgQ9PWLtQPVI hpbu7ydpWQwJDQTC9x85Af+wu0LzjtcUwm9VVpcRAONCbFNN3+qs8LFkXieFwx7W f4jIh3VmGa539CyLS5M38bJLHS3GBvBOP4FFjMfvDa0MvDrTuODSLxS0DEcPTL2Y 54cUhnK7k1NyrFLUCvBd8dleFnH6KDoevWtzLfCKTMUgOPnuyU+bKF8ZwrT83vM7 qqv8oq9XgwXrCC0n4KYeQzvGv175TqvsNOIlwWa1KlFcxk2iWhhtywIDAQABo4IB xjCCAcIwHwYDVR0jBBgwFoAUjPTZkwpHvACgSs5LdW6gtrCyfvwwDgYDVR0PAQH/ BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjA7BgNVHREENDAy ghl3d3cuY29uY2VudHJhbGVhcm5pbmcuY29tghVjb25jZW50cmFsZWFybmluZy5j b20wQQYDVR0fBDowODA2oDSgMoYwaHR0cDovL2d0c3NsZHYtY3JsLmdlb3RydXN0 LmNvbS9jcmxzL2d0c3NsZHYuY3JsMB0GA1UdDgQWBBSacp7kr1A77u4oVFEqEN7w gFc/MDAMBgNVHRMBAf8EAjAAMHUGCCsGAQUFBwEBBGkwZzAsBggrBgEFBQcwAYYg aHR0cDovL2d0c3NsZHYtb2NzcC5nZW90cnVzdC5jb20wNwYIKwYBBQUHMAKGK2h0 dHA6Ly9ndHNzbGR2LWFpYS5nZW90cnVzdC5jb20vZ3Rzc2xkdi5jcnQwTAYDVR0g BEUwQzBBBgpghkgBhvhFAQc2MDMwMQYIKwYBBQUHAgEWJWh0dHA6Ly93d3cuZ2Vv dHJ1c3QuY29tL3Jlc291cmNlcy9jcHMwDQYJKoZIhvcNAQEFBQADggEBAIZA1uXl wzyaXZZ0PO2qp5o9BiKJfioHAvN/D2KJMbZGfO0uegZfleJxISrAxIpnuHzvq5pU bseLaLqK6xia6PW4ilAfpdqfzzDb5iZTuMsK8nEpe66MjLw4wc6Uw+FXkKQlRJEb Zu769yZplZTOEjfOncdoUQ1laAafLu0skHIHih3M0k4NUXgVdw+l4fFN9soM/BGr exL7RXnzBo6Zhz9nM8RBw2tErx8wmrTYeE1mtZl6SxpgThbZ6n6ivpNfaz7cZHpY TVZ0bHfgqz73sSsgGKhK1v1aP9tfkTMcckR/H2xtKgZgjFHewt9tMKXvP3Zl5igC aR+HnTzvTTHqq80= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxRmwHZrNdXjs6OJex7kg 8M/Lg2DsO2fAACY7y/1lHw9oAoE5lC3H9wQdbf/RORtUbUOtbN6RvRkAdsIMH4kH bgQ9PWLtQPVIhpbu7ydpWQwJDQTC9x85Af+wu0LzjtcUwm9VVpcRAONCbFNN3+qs 8LFkXieFwx7Wf4jIh3VmGa539CyLS5M38bJLHS3GBvBOP4FFjMfvDa0MvDrTuODS LxS0DEcPTL2Y54cUhnK7k1NyrFLUCvBd8dleFnH6KDoevWtzLfCKTMUgOPnuyU+b KF8ZwrT83vM7qqv8oq9XgwXrCC0n4KYeQzvGv175TqvsNOIlwWa1KlFcxk2iWhht ywIDAQAB -----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 305865 . . . . . . . . [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 '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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Validated SSL' . . . . . . . . . . . . [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 DV SSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2012-07-18 01:29:56 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-09-19 12:37:42 +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 2.5.4.5 (serialNumber) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '-7VC1awnv4aZ0/pumcoEu54Tt0B96cIo' . . . . . . . . . . . . [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 'GT70689454' . . . . . . . . . . . . [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 'See www.geotrust.com/resources/cps (c)12' . . . . . . . . . . . . [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 - QuickSSL(R) Premium' . . . . . . . . . . . . [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.concentralearning.com' . . . . . . . . [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 24881613279425567374167824783352180773014504252645008836839711185019802280563855763630669844648749057633206254620278383386015098641128171283033442473199122300761998405928247285190253022173713142397817757186504973751126979919593228207093088801635733499860333584863640072148540886450132398371852602663031116640970339032227446199414077752091741719095665899920150179296363913576030006592212205996491842635529734752895129610913376407200180344834822818337686748512172134951629218951796095569027371716067003647750008969995604382677006210017974920874108968990535057247322567576891414213527540973123696743034967322080178630091 . . . . . . . . . . . . . . . . . . . . [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 8cf4d9930a47bc00a04ace4b756ea0b6b0b27efc . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.concentralearning.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'concentralearning.com' . . . . . . . . . . . . . . . . [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 (58 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://gtssldv-crl.geotrust.com/crls/gtssldv.crl' . . . . . . . . . . . . . . . . [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) 9a729ee4af503beeee2854512a10def080573f30 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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://gtssldv-ocsp.geotrust.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://gtssldv-aia.geotrust.com/gtssldv.crt' . . . . . . . . . . . . . . . . [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 (69 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 'http://www.geotrust.com/resources/cps' . . . . [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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