https://ad.doubleclick.net/ddm/trackimpj/N448205.3396960REASONWHY/B35709637.453572784;dc_trk_aid=647265481;dc_trk_cid=255101899;ord=[timestamp];dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;tfua=;gdpr=$%7BGDPR%7D;gdpr_consent=$%7BGDPR_CONSENT_755%7D;ltd=;dc_tdv=1

Observations are retained as compact first-seen, last-seen, and hit aggregates. Presence here is not a security verdict and does not prove the URL remains active.