Browsing a few sites with heavy programmatic advertising I observed requests to these domains blocked. This happens in regular browsing mode without any extra privacy options checked. Includes LiveRamp and Unified ID 2.0.

As the article mentions Trade Desk ad delivery is currently blocked because they use the same apex domain for delivery and ID matching.

- api.id5-sync.com

- api.rlcdn.com

- b1-nydc1.zemanta.com

- check.analytics.rlcdn.com

- di.rlcdn.com

- direct.adsrvr.org

- htlb.casalemedia.com

- ib.3lift.com

- id.hadron.ad.gt - id.rlcdn.com

- id5-sync.com

- idsync.reson8.com

- idsync.rlcdn.com

- img.3lift.com

- lb.eu-1-id5-sync.com

- match.adsrvr.org

- pippio.com

- pix.cdnwidget.com

- pixel.tapad.com

- ups.analytics.yahoo.com

- v2.pixel.newscgp.com