webmail.negativezero.co.uk

Issued by StartCom Class 1 Primary Intermediate Server CA

About this certificate


This digital certificate with serial number 0d:56:a9 was issued on by StartCom Ltd..

With 2 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.

Cerificate errors/warnings *beta

  • KeyUsage extension SHOULD be marked as critical when present
  • WARNING: Certificate contains unknown extension ([2.5.29.18])
  • Certificate has key usage [KeyAgreement] set
  • commonName field is deprecated
  • emailAddress field is deprecated

webmail.negativezero.co.uk

Country: GB

StartCom Ltd.

Organization: StartCom Ltd.
Organization unit: Secure Digital Certificate Signing
Country: GB

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 0d:56:a9
Serial Number (int): 874153
Serial Number lenght: 20 bits, 3 octets

SubjectKeyId: d1:95:5c:2f:c4:15:c2:c8:29:06:fe:7a:06:fd:f5:69:e9:e6:98:67
AuthorityKeyId: eb:42:34:d0:98:b0:ab:9f:f4:1b:6b:08:f7:cc:64:2e:ef:0e:2c:45

Fingerprint (sha1): 83:78:f4:6b:32:98:3e:c0:35:38:e1:92:d4:b9:8a:10:5c:1f:1c:89
Fingerprint (sha256): a8:bf:bc:ce:62:24:fd:da:d9:90:d3:81:9c:d1:5a:e2:b6:38:db:0c:8f:40:69:40:36:02:aa:58:59:42:d3:b8

Issuing Certificate URL: http://aia.startssl.com/certs/sub.class1.server.ca.crt

Revocation information

OCSP Server: http://ocsp.startssl.com/sub/class1/server/ca
CRL Distribution Point: http://crl.startssl.com/crt1-crl.crl

Check the revocation status for the current certificate on webmail.negativezero.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

4096

Signature Algorithm

SHA1 with RSA



Key Usage

Digital Signature
Key Encipherment
Key Agreement

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

webmail.negativezero.co.uk
negativezero.co.uk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIHejCCBmKgAwIBAgIDDVapMA0GCSqGSIb3DQEBBQUAMIGMMQswCQYDVQQGEwJJ TDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0 YWwgQ2VydGlmaWNhdGUgU2lnbmluZzE4MDYGA1UEAxMvU3RhcnRDb20gQ2xhc3Mg MSBQcmltYXJ5IEludGVybWVkaWF0ZSBTZXJ2ZXIgQ0EwHhcNMTMxMjA5MTI1NzM1 WhcNMTQxMjEwMTYwNzUyWjB7MRkwFwYDVQQNExA4R3FCaW5BSUkyeWdONjBhMQsw CQYDVQQGEwJHQjEjMCEGA1UEAxMad2VibWFpbC5uZWdhdGl2ZXplcm8uY28udWsx LDAqBgkqhkiG9w0BCQEWHXBvc3RtYXN0ZXJAbmVnYXRpdmV6ZXJvLmNvLnVrMIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsxdmItJoCsn1ZdfarwvL0JtU bWA4Fa/zaL1fWLwT34FrKN/DtmR+XCoprE7EopaMTRJ6rqkvTZNEoiiToI2vB78q DMJcDCH+gO8Rywjhnyp56lbrNsd7RU6z4xbPj06Hzi+yUsQLYqFKcwh8CPKxCo6L Pli8EDfl4ID7RJvtUyR5IB7Cm2XdJMAKrrBM+/1q+0ROMAdyrw1oInmQgTWb9M2Y qfVfHhdlUpyNBnaAb+Dpe/B9tfF2JNNIs9qJ5cC1fa/iP0orHlqbN79mvyf/4EsB RcS/7WYDRTdr9zfWMVkW+bVUc5CRjWwfQAKirowXjYtb2v+a/I5Xzo29BImH331M /0hB1eYhDFQkiQE1ckmOo1wPZwt1U1cLPyjAq9par0SngK/9Tno5tkjYYL5IFTsb tk1xYO+BagDyX5Fnj64tQq5yU+NYL6G41NTRCBTU5yBxB1XizX6y7X1OL/fekNGs FP1JSC0nF75hga81I0hOaBfgU1YlTUZTqDHG6TcAC5YGG5jznyqozakAxX3X/NIO tZR4xRwcffJLyWirinTnBSJw19rmTvoXKn90/lvCztJhePVCtkHHF6PM9GhkcHkH Yw0wojIWwzO95EhYmeBabMsyCihByjF/cBe6Gqtl3y8Kpldx4RKzpkBQ6meK/93J owkWcHjC4uYyhIZcmBsCAwEAAaOCAvMwggLvMAkGA1UdEwQCMAAwCwYDVR0PBAQD AgOoMBMGA1UdJQQMMAoGCCsGAQUFBwMBMB0GA1UdDgQWBBTRlVwvxBXCyCkG/noG /fVp6eaYZzAfBgNVHSMEGDAWgBTrQjTQmLCrn/Qbawj3zGQu7w4sRTA5BgNVHREE MjAwghp3ZWJtYWlsLm5lZ2F0aXZlemVyby5jby51a4ISbmVnYXRpdmV6ZXJvLmNv LnVrMIIBVgYDVR0gBIIBTTCCAUkwCAYGZ4EMAQIBMIIBOwYLKwYBBAGBtTcBAgMw ggEqMC4GCCsGAQUFBwIBFiJodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS9wb2xpY3ku cGRmMIH3BggrBgEFBQcCAjCB6jAnFiBTdGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1 dGhvcml0eTADAgEBGoG+VGhpcyBjZXJ0aWZpY2F0ZSB3YXMgaXNzdWVkIGFjY29y ZGluZyB0byB0aGUgQ2xhc3MgMSBWYWxpZGF0aW9uIHJlcXVpcmVtZW50cyBvZiB0 aGUgU3RhcnRDb20gQ0EgcG9saWN5LCByZWxpYW5jZSBvbmx5IGZvciB0aGUgaW50 ZW5kZWQgcHVycG9zZSBpbiBjb21wbGlhbmNlIG9mIHRoZSByZWx5aW5nIHBhcnR5 IG9ibGlnYXRpb25zLjA1BgNVHR8ELjAsMCqgKKAmhiRodHRwOi8vY3JsLnN0YXJ0 c3NsLmNvbS9jcnQxLWNybC5jcmwwgY4GCCsGAQUFBwEBBIGBMH8wOQYIKwYBBQUH MAGGLWh0dHA6Ly9vY3NwLnN0YXJ0c3NsLmNvbS9zdWIvY2xhc3MxL3NlcnZlci9j YTBCBggrBgEFBQcwAoY2aHR0cDovL2FpYS5zdGFydHNzbC5jb20vY2VydHMvc3Vi LmNsYXNzMS5zZXJ2ZXIuY2EuY3J0MCMGA1UdEgQcMBqGGGh0dHA6Ly93d3cuc3Rh cnRzc2wuY29tLzANBgkqhkiG9w0BAQUFAAOCAQEAntWUvgAqYOjQT5uzPm6t0yxC fAA56y1qz2rawfXu93BuNQTP3VQfLn3MdDru/X631dh9WO4dHnVAYN4p++TXWzyX gHuBwlbTnL5HHnra7u6VdiyC+HVhaYH4rXR2ziJan1jeLhcSds1HqczkvOWvDnfF 4k8LDmGZP6leJZ6jPyeRHor/mFxa67E8XyKhfAL0N+BNlG0DrDwpL9+8bIXLw7sq 4Q/0KQpyzSwXiuVjBhYuCCnoqpG0El5v7tecCf8LT8B4R8uhk9jbeQxCHfS/HAJT mAGnasYyW4Tq+Oxw5Zs3xqEVNDoxWL4kv8x0h+PF8i8Jailj1rFDrgf38T1Qww== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsxdmItJoCsn1ZdfarwvL 0JtUbWA4Fa/zaL1fWLwT34FrKN/DtmR+XCoprE7EopaMTRJ6rqkvTZNEoiiToI2v B78qDMJcDCH+gO8Rywjhnyp56lbrNsd7RU6z4xbPj06Hzi+yUsQLYqFKcwh8CPKx Co6LPli8EDfl4ID7RJvtUyR5IB7Cm2XdJMAKrrBM+/1q+0ROMAdyrw1oInmQgTWb 9M2YqfVfHhdlUpyNBnaAb+Dpe/B9tfF2JNNIs9qJ5cC1fa/iP0orHlqbN79mvyf/ 4EsBRcS/7WYDRTdr9zfWMVkW+bVUc5CRjWwfQAKirowXjYtb2v+a/I5Xzo29BImH 331M/0hB1eYhDFQkiQE1ckmOo1wPZwt1U1cLPyjAq9par0SngK/9Tno5tkjYYL5I FTsbtk1xYO+BagDyX5Fnj64tQq5yU+NYL6G41NTRCBTU5yBxB1XizX6y7X1OL/fe kNGsFP1JSC0nF75hga81I0hOaBfgU1YlTUZTqDHG6TcAC5YGG5jznyqozakAxX3X /NIOtZR4xRwcffJLyWirinTnBSJw19rmTvoXKn90/lvCztJhePVCtkHHF6PM9Ghk cHkHYw0wojIWwzO95EhYmeBabMsyCihByjF/cBe6Gqtl3y8Kpldx4RKzpkBQ6meK /93JowkWcHjC4uYyhIZcmBsCAwEAAQ== -----END PUBLIC KEY-----

ASN1 Decoded