www.groundzerobooksltd.com

Issued by RapidSSL CA

About this certificate


This digital certificate with serial number 0d:8d:4c 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.groundzerobooksltd.com

Company registration number: 5aSAlSMweN91XgSpmiYtlflP4C3UY9cK
Organization unit: GT03477663
Organization unit: See www.rapidssl.com/resources/cps (c)13
Organization unit: Domain Control Validated - RapidSSL(R)

GeoTrust, Inc.

Organization: GeoTrust, Inc.

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 0d:8d:4c
Serial Number (int): 888140
Serial Number lenght: 20 bits, 3 octets

SubjectKeyId: 49:e5:d9:a6:87:5f:6b:c2:bd:47:10:e4:3e:d7:fd:0f:d2:37:66:c7
AuthorityKeyId: 6b:69:3d:6a:18:42:4a:dd:8f:02:65:39:fd:35:24:86:78:91:16:30

Fingerprint (sha1): 98:7a:46:e2:6d:d0:b5:34:38:ca:3b:9a:e9:71:3f:11:5e:02:d7:4d
Fingerprint (sha256): 4d:d6:f1:fa:e8:76:94:82:95:6b:e7:01:16:51:e2:9b:88:0b:6b:99:7d:c0:8f:24:d4:a7:d3:66:c4:f9:75:04

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

Revocation information

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

Check the revocation status for the current certificate on www.groundzerobooksltd.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.groundzerobooksltd.com
groundzerobooksltd.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFUjCCBDqgAwIBAgIDDY1MMA0GCSqGSIb3DQEBBQUAMDwxCzAJBgNVBAYTAlVT MRcwFQYDVQQKEw5HZW9UcnVzdCwgSW5jLjEUMBIGA1UEAxMLUmFwaWRTU0wgQ0Ew HhcNMTMwODE4MDczNzM3WhcNMTUwODIxMDcxMDQxWjCByTEpMCcGA1UEBRMgNWFT QWxTTXdlTjkxWGdTcG1pWXRsZmxQNEMzVVk5Y0sxEzARBgNVBAsTCkdUMDM0Nzc2 NjMxMTAvBgNVBAsTKFNlZSB3d3cucmFwaWRzc2wuY29tL3Jlc291cmNlcy9jcHMg KGMpMTMxLzAtBgNVBAsTJkRvbWFpbiBDb250cm9sIFZhbGlkYXRlZCAtIFJhcGlk U1NMKFIpMSMwIQYDVQQDExp3d3cuZ3JvdW5kemVyb2Jvb2tzbHRkLmNvbTCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAPWBQmPLeaD+IQBDgd71q+drl5Qk QhTib4mjZDvpRPLbQu6rK4ZZ+/IznxKMgOeLtrk1qPADvXfJRTyVFWrO9VK/sElv 3xAwoQk59M/O0plOvgFGB9oJaCxiNwE2+Il6qAhUG1Gu8aNd+pLXW+PM8TZy8EXX yMBwvG4jDjuSvpteWJKL2u7Pcmua+tuqhbE8LSTTGnstL6rLUe0Zyvq798XFxzTr 1qMAZiKyvS5/OYWuWYTEb7BVA56Bnu9RJtHXU3woVBn4kMd3I3rg7UIbG651kTHg M2zdUGY04dp747EpRIrf0ussJ+rA/fptSTjkUmkF4tdM9V0na7+Cu5q10zsCAwEA AaOCAc0wggHJMB8GA1UdIwQYMBaAFGtpPWoYQkrdjwJlOf01JIZ4kRYwMA4GA1Ud DwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwPQYDVR0R BDYwNIIad3d3Lmdyb3VuZHplcm9ib29rc2x0ZC5jb22CFmdyb3VuZHplcm9ib29r c2x0ZC5jb20wQwYDVR0fBDwwOjA4oDagNIYyaHR0cDovL3JhcGlkc3NsLWNybC5n ZW90cnVzdC5jb20vY3Jscy9yYXBpZHNzbC5jcmwwHQYDVR0OBBYEFEnl2aaHX2vC vUcQ5D7X/Q/SN2bHMAwGA1UdEwEB/wQCMAAweAYIKwYBBQUHAQEEbDBqMC0GCCsG AQUFBzABhiFodHRwOi8vcmFwaWRzc2wtb2NzcC5nZW90cnVzdC5jb20wOQYIKwYB BQUHMAKGLWh0dHA6Ly9yYXBpZHNzbC1haWEuZ2VvdHJ1c3QuY29tL3JhcGlkc3Ns LmNydDBMBgNVHSAERTBDMEEGCmCGSAGG+EUBBzYwMzAxBggrBgEFBQcCARYlaHR0 cDovL3d3dy5nZW90cnVzdC5jb20vcmVzb3VyY2VzL2NwczANBgkqhkiG9w0BAQUF AAOCAQEANxMrfgEK6O/4BR+Yldm0C6Sh/dCKwJqmk4Wtu16/nSg11ET9ys16oQF6 t0QFA1bxDIkX7V8cCJ6AQqKQo0cJhQ+vu5b6fqSFbLFE9RnRGtx1GwltvrZP7E3/ yQudiDQWvjmVZWotAu+G9nj3FcMyPm/DTcLeSzgLursqzHJnVR6YgWnNgcBYPt84 gcxWwAli2T6cP8JBxkHK+Pj2HBxkMN21NWep9xmOjsDffzgsb+dMHRQYmIDdjJZU iiAyol4IlutcUyJwc5VU9lNI/BXh/YKARil3lH6zulLga5tk7Xcp8NYRTaQ/+U+g IBXZmS4j72PLIgJb1MCk9F1TiIcq+w== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9YFCY8t5oP4hAEOB3vWr 52uXlCRCFOJviaNkO+lE8ttC7qsrhln78jOfEoyA54u2uTWo8AO9d8lFPJUVas71 Ur+wSW/fEDChCTn0z87SmU6+AUYH2gloLGI3ATb4iXqoCFQbUa7xo136ktdb48zx NnLwRdfIwHC8biMOO5K+m15Ykova7s9ya5r626qFsTwtJNMaey0vqstR7RnK+rv3 xcXHNOvWowBmIrK9Ln85ha5ZhMRvsFUDnoGe71Em0ddTfChUGfiQx3cjeuDtQhsb rnWRMeAzbN1QZjTh2nvjsSlEit/S6ywn6sD9+m1JOORSaQXi10z1XSdrv4K7mrXT OwIDAQAB -----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 888140 . . . . . . . . [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 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'RapidSSL CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-08-18 07:37:37 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-08-21 07:10:41 +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 '5aSAlSMweN91XgSpmiYtlflP4C3UY9cK' . . . . . . . . . . . . [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 'GT03477663' . . . . . . . . . . . . [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.rapidssl.com/resources/cps (c)13' . . . . . . . . . . . . [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 - RapidSSL(R)' . . . . . . . . . . . . [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.groundzerobooksltd.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 30992124870523306331661701086532357049561445783729356680763219520302919454470977522079800139456522311117046657271912291261511059840536255451966847988261680479567838063376479789113334513088698861230516902852068382571961915522939921997958378244059966698871249971650518462033035119522271507737576948290465177658003331295878434003398827293155396302375382706016584625989578430133076822617049528020843812351786021350232607758347054914799391579845165730744559246170424817867318679388568636263502393406629665426327142638853462183609360998476326953855788987426271443760101726258623542229499406603036940017046642138856163758907 . . . . . . . . . . . . . . . . . . . . [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 6b693d6a18424add8f026539fd35248678911630 . . . . . . . . . . . . . . . . [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 (54 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.groundzerobooksltd.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'groundzerobooksltd.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 (60 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://rapidssl-crl.geotrust.com/crls/rapidssl.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) 49e5d9a6875f6bc2bd4710e43ed7fd0fd23766c7 . . . . . . . . . . . . . . . . [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 (108 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://rapidssl-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://rapidssl-aia.geotrust.com/rapidssl.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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