You are currently viewing an archived version of the site. All MediaWiki functionality is disabled. is the domain used by Google for their advertising services company DoubleClick. The domain is used for many purposes, including online advertising and user behavior tracking.


Privacy information definitions (About DefBoxes)

Tracking methods: How the entity collects data about and tracks individuals.

  • Client-side: Involves your browser collecting and sending information (including cookies).

Collected information: This is information that the entity collects, either through you providing the information or from automatic methods.

Cookies: Cookies are small files that are stored on your computer that are normally used for tracking or storing user preferences. More information.

Privacy policy: A document which describes how entities collect, use, disclose, and manage information collected about a client. More information.

Tracking methods[edit]

DoubleClick uses both cookie and IP address based tracking for targeted advertising. [1]

Collected information[edit]

Information that collects includes: [2]

  • What ads you viewed and when
  • What pages you have viewed ads on
  • Your general location (Based on IP address)
  • Interest categories based on sites that you have visited


Cookies that may be set by DoubleClick include:

Name Example content Domain Description
_drt_ AF5lBcRKUmYojxEe5A2urCJTxPaSc_hTF0abP8-U1in3IJA_1hMAaPmQA2ktzibpxodqvm7WXyPPiRIYg9edg0j8_7SrFeD95w
id 1365243/678650/15895,2542116/902754/15843|t=1350702209|et=730|cs=002213fd48efc85d3ec8f8601a
__gads ID=126ff9541acd98c5:T=1357778921:S=ALNI_MZhIH1Ed1dcO__EpzYE4OqLcpZlPw

DoubleClick privacy policy


Date retrieved: July 16, 2013

        DNS Admin
        Google Inc.
        1600 Amphitheatre Parkway
         Mountain View CA 94043
        US +1.6502530000 Fax: +1.6506188571

    Domain Name:

        Registrar Name:
        Registrar Whois:
        Registrar Homepage:

    Administrative Contact:
        DNS Admin
        Google Inc.
        1600 Amphitheatre Parkway
         Mountain View CA 94043
        US +1.6502530000 Fax: +1.6506188571
    Technical Contact, Zone Contact:
        DNS Admin
        Google Inc.
        1600 Amphitheatre Parkway
         Mountain View CA 94043
        US +1.6502530000 Fax: +1.6506188571

    Created on..............: 1996-01-15.
    Expires on..............: 2018-01-16.
    Record last updated on..: 2013-05-01.

    Domain servers in listed order:


DoubleClick uses this subdomain to load assets and to redirect and track ad clicks.[edit]

Used for tracking ad clicks and redirecting to advertiser sites.[edit]

Used for DoubleClick Floodlight, which tracks user activities on websites after a user clicks on an ad for the website.[3][edit]

Used for loading scripts related to advertising. Used to track ad clicks for Google ads.[edit]

Used for loading images.[edit]

Used for loading tracking pixels or as an alternative for loading Google Analytics.[edit]

Used for loading assets for Google Customer Surveys.

Related Sites[edit] used for loading ad content from DoubleClick


  1. Jump up (July 11, 2013)
  2. Jump up (July 16, 2013)
  3. Jump up (August 4, 2013)