www.doubletwo.co.uk

Issued by GeoTrust DV SSL CA - G4

About this certificate


This digital certificate with serial number 01:d6:75 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.doubletwo.co.uk

Organization unit: GT29608071
Organization unit: See www.geotrust.com/resources/cps (c)15
Organization unit: Domain Control Validated - QuickSSL(R)

GeoTrust Inc.

Organization: GeoTrust Inc.
Organization unit: Domain Validated SSL

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:d6:75
Serial Number (int): 120437
Serial Number lenght: 17 bits, 3 octets

SubjectKeyId:
AuthorityKeyId: 0b:50:ec:77:ef:2a:9b:ff:ec:03:a1:0a:ff:ad:c6:e4:2a:18:c7:3e

Fingerprint (sha1): 87:17:a2:ac:b1:77:af:60:0a:01:0e:2b:e5:bc:3c:1f:86:50:04:1b
Fingerprint (sha256): 60:a1:2f:03:1a:40:1a:70:d4:b1:e1:4a:b3:c2:30:e3:da:df:76:50:da:95:9a:f5:fe:b9:b2:7e:4d:a6:5d:f3

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

Revocation information

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

Check the revocation status for the current certificate on www.doubletwo.co.uk
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

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

www.doubletwo.co.uk
doubletwo.co.uk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE7jCCA9agAwIBAgIDAdZ1MA0GCSqGSIb3DQEBCwUAMGYxCzAJBgNVBAYTAlVT MRYwFAYDVQQKEw1HZW9UcnVzdCBJbmMuMR0wGwYDVQQLExREb21haW4gVmFsaWRh dGVkIFNTTDEgMB4GA1UEAxMXR2VvVHJ1c3QgRFYgU1NMIENBIC0gRzQwHhcNMTUw NzI4MTc0ODMxWhcNMTYwODI4MTQ1NDMwWjCBlzETMBEGA1UECxMKR1QyOTYwODA3 MTExMC8GA1UECxMoU2VlIHd3dy5nZW90cnVzdC5jb20vcmVzb3VyY2VzL2NwcyAo YykxNTEvMC0GA1UECxMmRG9tYWluIENvbnRyb2wgVmFsaWRhdGVkIC0gUXVpY2tT U0woUikxHDAaBgNVBAMTE3d3dy5kb3VibGV0d28uY28udWswggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDa5n+xQdng5gweUyDmuWZfx7+YqzWG3qmHlbVd ETYImXIxLRZsOM8kD5rwnnnoaKvD/okkCGKelK3bBy3422kr4fj2GOKCdZVqeyeA gQpTI1WVmEKl0cRYCOu+DNLGbGO3qkGb7DId59f1QIDydJrjQL0oi1f6zOGtH7xM bsH/qQzK7oSbaXfa9O5AIQ1UsMbYGz+dJi6yPsGMWW9EnpZ1+3Ke2p+E6dVqcge1 O0rlRy6scixFiQ/4j3d6C4wnGxzZ6QOXgXhGYZUNvyXgPksrNssF+iaN3Vb3eZY+ tU6QpvRkz9eANqI1b4CffAfMIfv/haRkFHaHHrJpkx/i+3OxAgMBAAGjggFxMIIB bTAfBgNVHSMEGDAWgBQLUOx37yqb/+wDoQr/rcbkKhjHPjBXBggrBgEFBQcBAQRL MEkwHwYIKwYBBQUHMAGGE2h0dHA6Ly9ndS5zeW1jZC5jb20wJgYIKwYBBQUHMAKG Gmh0dHA6Ly9ndS5zeW1jYi5jb20vZ3UuY3J0MA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwLwYDVR0RBCgwJoITd3d3LmRvdWJs ZXR3by5jby51a4IPZG91YmxldHdvLmNvLnVrMCsGA1UdHwQkMCIwIKAeoByGGmh0 dHA6Ly9ndS5zeW1jYi5jb20vZ3UuY3JsMAwGA1UdEwEB/wQCMAAwVgYDVR0gBE8w TTBLBgZngQwBAgEwQTA/BggrBgEFBQcCARYzaHR0cHM6Ly93d3cuZ2VvdHJ1c3Qu Y29tL3Jlc291cmNlcy9yZXBvc2l0b3J5L2xlZ2FsMA0GCSqGSIb3DQEBCwUAA4IB AQARCPtSc7tZxoo+gDUYGdmTN0sFz3U14jS5tA0tdthdsX9F9lwjQXoj4wZhF6qh 9y2KvJkYrvLFeYyKZKNOpO+nkEdj4KE0BKm9TJANGUgtj5oUKm4vQjcnu39u8j6p vufeLGKy3llixtchGcM0HwmPBxBltYxz9SIoKEbdMRanLOY4B6jmSx7Cri2dUEmS zS13fGqdRKOarih6MBWncDPlWBJTo4taml2mHUOigtH9EIzepSq/c+M+Z7GdLhCm GH2lm1EhayXB3kqvpkHLpHL/4oqOpfrMW41ZDkGcTSY9pcQWLtSiyqFd7PmxkFKn lRN+31E1aWwuhiGGgcwpO01B -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2uZ/sUHZ4OYMHlMg5rlm X8e/mKs1ht6ph5W1XRE2CJlyMS0WbDjPJA+a8J556Girw/6JJAhinpSt2wct+Ntp K+H49hjignWVansngIEKUyNVlZhCpdHEWAjrvgzSxmxjt6pBm+wyHefX9UCA8nSa 40C9KItX+szhrR+8TG7B/6kMyu6Em2l32vTuQCENVLDG2Bs/nSYusj7BjFlvRJ6W dftyntqfhOnVanIHtTtK5UcurHIsRYkP+I93eguMJxsc2ekDl4F4RmGVDb8l4D5L KzbLBfomjd1W93mWPrVOkKb0ZM/XgDaiNW+An3wHzCH7/4WkZBR2hx6yaZMf4vtz sQIDAQAB -----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 120437 . . . . . . . . [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 2.5.4.11 (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 - G4' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-07-28 17:48:31 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-28 14:54:30 +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 'GT29608071' . . . . . . . . . . . . [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)15' . . . . . . . . . . . . [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)' . . . . . . . . . . . . [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.doubletwo.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 27633613676416857919288422857633709886632935762753161595615795078509234965710703983054035731443664714949044604023600922993901467144881465365847489679819053838876137294295196279585742787066240304364851280586496843585136568182349300189292012518424641620386494507938501759259819129465283524440004035080904727132664972252543657472115885962987750311321757078196319578183835919920091226710552365059956094585363886527654483479399425007976235429727062631005954931094480965883269783997253090778504733370958034732506368238146332503347550795640093943988402748519978544602329765291540700558463221114877867480442701507788443186097 . . . . . . . . . . . . . . . . . . . . [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 0b50ec77ef2a9bffec03a10affadc6e42a18c73e . . . . . . . . . . . . . . . . [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://gu.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://gu.symcb.com/gu.crt' . . . . . . . . . . . . . . . . [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 (40 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.doubletwo.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'doubletwo.co.uk' . . . . . . . . . . . . . . . . [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://gu.symcb.com/gu.crl' . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (79 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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