Reference / Glossary / Infrastructure and standards
Domain Spoofing
Fraud in which a low-quality site declares itself to be a premium publisher in the bid request so buyers pay premium prices for junk inventory. ads.txt was created specifically to defeat it, and largely has on the web; CTV app spoofing is the current version.
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Cite this entry:
Agency Echelon. "Domain Spoofing." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/domain-spoofing/