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Epsilon Cookie List

Last updated: 7  April 2022

Cookies set for Services referred to as Discovery, Prospect and Digital Media Solutions

Cookie Name

Host Name

Cookie Type

Expiration

Origination
 (1st party, 3rd party)

Data stored in cookie

Use of cookie

DotomiUser

dotomi.com

Persistent

13 months

3rd

Pseudonymous cookie id

Manage cookie level profile, freq. cap, retargeting

DotomiStatus

dotomi.com

Persistent

Five years plus one week

3rd

Flag indicating opt-in or opt-out status.

Used to honor device-level opt-out preferences.

dtm_token

client domain

Persistent + local storage + session storage

13 months

1st

Pseudonymous cookie id

Manage cookie level profile, freq. cap, retargeting

dtm_token_exp

client domain

Local storage + session storage

N/A

1st

Timestamp relative to dtm_token cookie

Logs timestamp for dtm_token cookie

DotomiSession_NNNN

dotomi.com

Session

N/A

3rd

Pseudonymous session id

Not currently used.  Legacy support for session ids.

DotomiTest

dotomi.com

Persistent

30 sec

3rd

Test

“Test”, used to check the browser’s ability to accept third party cookies

dtm_test

client domain

Persistent

30 sec

1st

Test

“Test”, used to check the browser’s ability to accept third party cookies

euconsent-v2

consensu.org

Persistent

13 months

1st

Example value: CPUkc3PPUkc3PAXADAENCDCgAAAAAH_AA
AAAAAAEWgCAA0ADMAQgAiwAAAAA.YAAA
AAAAAAAA

Stores consent for vendors that participate in the IAB Transparency and Consent Framework. Only written if the browser blocks third-party cookies.

dtm_tcdata

client domain

Persistent + local storage + session storage

1 day (cookie)

1st

Example value: CPUkc3PPUkc3PAXADAENCDCgAAAAAH_AA
AAAAAAEWgCAA0ADMAQgAiwAAAAA.YAAA
AAAAAAAA

Stores consent for vendors that participate in the IAB Transparency and Consent Framework.

dtm_tcdata_exp

client domain

Local storage + session storage

N/A

1st

Timestamp relative to dtm_tcdata cookie

Logs timestamp for dtm_tcdata cookie

dtm_token_sc 

Client domain

Persistent

13 months

1st

AAACI355WErUXgAmFbAKAAALtQE

our first party cookie set via headers on registration tags

DotomiSync 

dotomi.com or client domain.

Persistent

12 months

1st or 3rd

0$18677$18677$41440-0#30129-0#82592-0#5010-0#75347-0#42290-0#25987-0#67215-0#

used to identify which sync pixels we set on users via registration tags

dtm_user_id 

Client domain

Passed

13 months

1st or 3rd

7891011

used to identify users registration

dtm_user_id_sc 

Client domain

Passed

13 months

1st or 3rd

7891011

used to identify users registration

svid

mediaplex.com

Persistent

13 months

3rd

Information may include pages viewed as appropriate

Used to relate preference information for marketing purposes

dtm_gdpr_delete

dotomi.com

Persistent

30 days

3rd

Blank. This is just a marker cookie.

Set when GDPR data delete is executed. Life span is 30 days. When this cookie exists, GDPR consent is considered revoked.

pluto2

fastclick.net

Persistent

13 months

3rd

Session ID

This is a temporary cookie that is created in the case when no PLUTO cookie is set AND the user hits the advertiser site where a Re-Targeting pixel has been executed.

pluto

fastclick.net

Persistent

13 months

3rd

Session ID

The Session ID is used to track preference information.

fastclick

fastclick.net

Persistent

10 years

3rd

the string "optout"

Tells the delivery system that the browser had opted out of the network

svid

mediaplex.com

Persistent

13 months

3rd

Session ID or "OPT-OUT" if the browser had opted out in the past

Used to relate preference information for the ID

rts

mediaplex.com

Persistent

13 months

3rd

Timestamp

Used to track last time browser was redirected through Corporate Cookie Service / Dotomi.com domain

cmp-data

hosting-site domain

Persistent

13 months

1st

Config version, Last Updated, User UUID

Cookies places to manage consent through Epsilon's Consent Management Platform (CMP)

euconsent-v2

hosting-site domain

Persistent

13 months

1st

Example value: CPUkc3PPUkc3PAXADAENCDCgAAAAAH_AA
AAAAAAEWgCAA0ADMAQgAiwAAAAA.YAAA
AAAAAAAA

Cookies places to manage consent through Epsilon's Consent Management Platform (CMP)

euconsent-v2-ptc

hosting-site domain

Persistent

13 months

1st

Example value: CPUkc3PPUkc3PAXADAENCDCgAAAAAH_AA
AAAAAAEWgCAA0ADMAQgAiwAAAAA.YAA
AAAAAAAAA

Cookies places to manage consent through Epsilon's Consent Management Platform (CMP)


Cookies set on our Websites

Cookie name

First or third party

Cookie type

Name of vendor

Expiry

Purpose

__cfduid

Third

  Essential

Cloudflare

70 Days

Is used to identify individual clients behind a shared IP address and apply security settings on a per-client basis.

__cfruid

Third

 Essential

Cloudflare

N/A

Used to identify trusted web traffic.

ELOQUA

First

Performance and functionality

Eloqua

1.5 Years

This cookie collects and transfers contact info from webforms to internal databases.

ELQSTATUS

First

 Analytics and customisation

Eloqua

1.5 Years

This cookie is used to recognise unique visitors to website pages and to track the pages they visit.

lang_code

First

  Essential

Epsilon

20 Years

Used to determine the language of the user.

_ga

Third

 Analytics and Customisation

Google Analytics

2 years

Used to distinguish users.

_gat

Third

 

Analytics and Customisation

Google Analytics

1 minute

Used to throttle request rate.

_gid

Third

 Analytics and Customisation

Google Analytics

1 Day

Used to distinguish users.

__hssc

Third

 

HubSpot

30 Minutes

This cookie keeps track of sessions. This is used to determine if we should increment the session number and timestamps in the __hstc cookie. It contains the domain, viewCount (increments each pageView in a session), and session start timestamp.

__hssrc

Third

 

HubSpot

Session

Whenever HubSpot changes the session cookie, this cookie is also set. We set it to 1 and use it to determine if the user has restarted their browser. If this cookie does not exist when we manage cookies, we assume it is a new session.

__hstc

Third

 Analytics and customisation

HubSpot

2 years

The main cookie for tracking visitors. It contains the domain, utk (see below), initial timestamp (first visit), last timestamp (last visit), current timestamp (this visit), and session number (increments for each subsequent session).

hubspotutk

Third

 

HubSpot

2 Years

This cookie is used for to keep track of a visitor's identity. This cookie is passed to HubSpot on form submission and used when de-duplicating contacts.

__hs_opt_out

First

 Analytics and customisation

Epsilon

1 Year

This cookie enables the function of HubSpot Enterprise Analytics.

hsfirstvisit

First

 Analytics and customisation

Epsilon

Session

This cookie name is associated with websites built on the HubSpot platform and is used for website analytics.

utmParams

First

Analytics

Epsilon

Session

This cookie persists campaign attribution data present in URL parameters for the duration of the session