1und1.de app-ads.txt check

1und1.de is missing out on higher CPMs: its app-ads.txt has 3 invalid lines and lists only 17 of the 52 lines its 11 ad networks expect (67% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 177 lines, 163 unique records, 10 duplicates, 3 invalid lines, 11 ad networks detected.

Ad networks in 1und1.de/app-ads.txt

Invalid lines

Corrected file: 1und1.de app-ads.txt (fixed).

FAQ

Does 1und1.de have an app-ads.txt?

Yes — https://1und1.de/app-ads.txt has 177 lines (checked 20 Oct 2026).

Which ad networks does 1und1.de work with?

Its app-ads.txt lists Google AdMob, Xandr (Microsoft), Amazon Publisher Services, Index Exchange, OpenX, PubMatic, Magnite (Rubicon), Smaato, TripleLift, Yahoo, AppLovin.

Is the app-ads.txt of 1und1.de correct?

1und1.de is missing out on higher CPMs: its app-ads.txt has 3 invalid lines and lists only 17 of the 52 lines its 11 ad networks expect (67% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

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