An IAB Tech Lab standard that lets app publishers declare which ad networks are authorized to sell their inventory.

Where do I put the app-ads.txt file?

At the root of the developer website listed in your App Store / Google Play page, e.g. https://studio.com/app-ads.txt.

What is a Certification Authority ID?

An optional TAG-ID of the ad system, the 4th field of an app-ads.txt record.

6play.fr app-ads.txt check

6play.fr achieves the best ad optimization: its app-ads.txt has no errors and matches what its 7 ad networks expect (100% of 13 lines).

Checked 20 Oct 2026. 139 lines, 138 unique records, 1 duplicates, 0 invalid lines, 9 ad networks detected.

Ad networks in 6play.fr/app-ads.txt

Xandr (Microsoft) — account 8086: 1 line in the file
Amazon Publisher Services — account 97099091-274d-49ce-bac2-4a938ed35b52: 1 line in the file
Google AdMob — accounts pub-1544037917366037, pub-6685712812037805: 2 lines in the file
Index Exchange — accounts 185574, 209966, 210484 and 1 more: 4 lines in the file
PubMatic — accounts 159661, 159845, 165498 and 1 more: 4 lines in the file
Magnite (Rubicon) — account 23836: 1 line in the file
TripleLift — account 4633: 1 line in the file
DSP Exchange — partner (reseller) lines only: 10 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 10 lines in the file, 400 expected lines missing

Corrected file: 6play.fr app-ads.txt (fixed).

FAQ

Does 6play.fr have an app-ads.txt?

Yes — https://6play.fr/app-ads.txt has 139 lines (checked 20 Oct 2026).

Which ad networks does 6play.fr work with?

Its app-ads.txt lists Xandr (Microsoft), Amazon Publisher Services, Google AdMob, Index Exchange, PubMatic, Magnite (Rubicon), TripleLift, DSP Exchange, Bidmachine.

Is the app-ads.txt of 6play.fr correct?