Epsilon Cookie List
Last updated: 4 October 2024
Cookies set for CORE ID related Services, mainly 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 | Value within cookie isn’t used however, the presence/absence of the cookie is used for flow control and load balancing. Presence/absence of cookie is used for restricting calls to /ucm/DMCSuccessLogger endpoint to once per company session. |
dtm_sync | Client domain | Local storage + session storage | N/A | 1st | Example value: 0$19740$19740$5010-0#16164-0#52136-0#15882-0#69627-0#41963-0#9252118-0#15900-0# | Used to identify which sync pixels we set on users via registration tags |
dtm_sync_exp | Client domain | Local storage + session storage | N/A | 1st | Timestamp relative to dtm_sync cookie | Logs timestamp for dtm_sync cookie |
euconsent-v2 | consensu.org | Persistent | 13 months | 1st | Example value: | 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: | 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- | 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 | 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 | 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 | 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: | Cookies places to manage consent through Epsilon's Consent Management Platform (CMP) |
euconsent-v2-ptc | hosting-site domain | Persistent | 13 months | 1st | Example value: | Cookies places to manage consent through Epsilon's Consent Management Platform (CMP) |
dtm_gpc_optout | dotomi.com or client domain. | Persistent | 30 days | 1st or 3rd | Pseudonymous cookie id | Set when GPC Optout is initiated. Presence of this cookie helps us prevent multiple downstream optout requests for the same user |
up | dotomi.com | Persistent | 13 months | Partitioned | Pseudonymous cookie id | Manage cookie level profile, freq. cap, retargeting. |
receive-cookie-deprecation | dotomi.com | Persistent | 13 months | Partitioned | 1 | |
ar_debug | *.dotomi.com | Session | Session | 3rd party | 1 | Enable transitional debug reporting in Chrome Privacy Sandbox Attribution Reporting API |
dtm_persisted_em | client domain | Persistent + local storage + session storage | 13 months | 1st | Example Value: 566FDBAEB746E8DBFCADF98EE2FFEA12ED97D4660ECB51C0C50ACA8036C1B4F3 | Hashed id |