First, get the list.
Find the websites, apps and CTV channels carrying your lines across the files we index. See the matched seller IDs and the source lines behind them.
YOUR LISTINGSFind the websites, apps and CTV channels carrying your ads.txt lines. Then uncover broken seller relationships, missing upstream listings and the evidence your team needs to put them right.
See an example reportListing discovery across indexed web, app and CTV files. Relationship checks currently cover web and app.
One seller ID. Websites, apps and CTV channels in the indexed files.
exchange.example, 18420, RESELLERexchange.example, 18420, RESELLERexchange.example, 18420, RESELLERYou know your partners. But which publishers carry your lines? Which apps name your seller IDs? And where does a missing upstream listing leave the relationship incomplete?
Bring the listings and the relationships behind them into one view.
Find the websites, apps and CTV channels carrying your lines across the files we index. See the matched seller IDs and the source lines behind them.
YOUR LISTINGSCheck seller records and upstream relationships across web and app. Group findings by cause so your team can see what needs attention.
YOUR PRIORITIESShare the affected properties, source evidence and specific issue with the publisher or partner responsible. Make the follow-up concrete.
YOUR NEXT CONVERSATION01 direct.example, 920, DIRECT
02 exchange.example, 18420, RESELLER03 other.example, 471, RESELLERYour seller ID is listed here.
Start with the actual line in the publisher’s file.
Keep the finding, affected property and responsible party together. These fictional rows illustrate how the evidence becomes a practical follow-up.
| Property | Finding | Status | Follow up with |
|---|---|---|---|
| journal.example | Missing upstream listing | Broken | Publisher / SSP |
| weather.example | Conflicting relationship | Broken | You / SSP |
| radio.example | Confidential seller record | Unverifiable | Record owner |
| weekender.example | Records agree | Clean | No action |
The publisher lists an ID the SSP’s sellers.json does not contain.
FIXED BYYou or the SSPThe company named above you has no listing of its own on the publisher.
FIXED BYPublisher or SSPThe publisher says RESELLER; the seller record says PUBLISHER.
FIXED BYYou or the SSPA damaged field or a missing line break makes the declaration invalid.
FIXED BYPublisherConfidential records and incomplete data don’t become false alarms. We distinguish a demonstrated fault from a path we cannot check — and tell you why.
The checked records agree.
A specific fault, supported by source evidence.
The relationship cannot be checked.
Held back from judgement, with a reason.
Publisher ads.txt files, cross-checked against seller records.
app-ads.txt from Google Play and the App Store, checked with the same engine.
Find your lines in indexed CTV files. CTV relationship checks are not offered yet.
The checks are live. Weekly change monitoring and digest emails are planned; they are not available yet.
Your seller domain. Start with the lookup above, or book a walkthrough. We use the public files already in our index to find your listings and check the relationships behind them.
Public summaries are available for selected ad systems that have already been analysed. Detailed affected properties and the source evidence are shared with a verified address at your company.
No. We show the fault, the evidence and who can fix it. Your team works with the publisher or SSP to make the correction in the file they control.
Both. Discover matching listings across the web, app and CTV files in our index. For web and app, we also check the seller relationships behind those listings and show findings with source evidence and a responsible party.
Results cover matching properties in our indexed public files. Coverage varies by channel; a property that is not in the index will not appear in the report.
Tell us and a real person will investigate. Confirmed errors are corrected across the accounts they affect. Missing or incomplete data is explicitly distinguished from a demonstrated defect.
Start with your seller domain. See where your lines appear
— and what needs a closer look.