REcaptcha is causing the following error

Server Error in '/' Application.

The remote name could not be resolved: 'www.google.com'

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Net.WebException: The remote name could not be resolved: 'www.google.com'

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[WebException: The remote name could not be resolved: 'www.google.com'] System.Net.HttpWebRequest.GetRequestStream(TransportContext& context) +1176 System.Net.HttpWebRequest.GetRequestStream() +23 Umbraco.Forms.Core.Controls.Captcha.RecaptchaValidator.Validate() +739 Umbraco.Forms.Core.Controls.Captcha.RecaptchaControl.Validate() +600