GMX - Mail, Cloud & News
by 1&1 Mail & Media GmbH · 417352269
The app-ads.txt behind GMX - Mail, Cloud & News (gmx.net) declares 39 DIRECT lines and 47 RESELLER lines naming 24 ad systems. 70 of 85 lines checked against sellers.json match; 2 name a seller ID the network does not list, 1 declare the wrong seller type. The file last changed on 4 October 2026; the same file covers 3 apps of this developer.
Store data
- Rating
- 4.56
- Installs
- —
- Category
- Productivity
- Contains ads
- Yes
951,892 ratings
Not published by Apple
Offers in-app purchases
app-ads.txt
- Domain
- gmx.net
- Status
- Found (200)
- Lines
- 86
- DIRECT / RESELLER
- 39 / 47
- OWNERDOMAIN
- united-internet-media.de
- Parse errors
- 0
- Last fetched
- Oct 11, 2026
- Last changed
- Oct 4, 2026
sellers.json cross-check
86 lines checked
Verified
70
Errors
3
Warnings
12
- Seller ID not found 2
- RESELLER but publisher 1
- Seller type BOTH 11
- Confidential seller 1
- Unchecked 1
Declared supply tree
39 direct accounts across 22 direct sellers · 21 resellers buying from them · 26 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| amxrtb.com | 1 | 6 resellers: pubmatic.com, lijit.com, rubiconproject.com … | 0 |
| united-internet-media.de | 2 | 5 resellers: yieldlab.net, google.com, lijit.com … | 0 |
| connectad.io | 1 | 3 resellers: rubiconproject.com, openx.com, adform.com | 0 |
| smartadserver.com | 1 | 2 resellers: rubiconproject.com, sharethrough.com | 0 |
| yieldlab.net | 1 | 2 resellers: pubmatic.com, yieldlab.net | 0 |
| twiago.com | 3 | 1 reseller: themediagrid.com | 0 |
| sharethrough.com | 1 | 1 reseller: rubiconproject.com | 0 |
| indexexchange.com | 5 | — | 0 |
| taboola.com | 5 | — | 0 |
| pubmatic.com | 4 | — | 0 |
| openx.com | 3 | — | 0 |
| themediagrid.com | 2 | — | 0 |
| + 10 more direct sellers in the full tree | |||
26 resellers, intermediary not matched to a direct seller of this app (the intermediary's domain is not a direct seller of this app: 22; account not found in the ad system's sellers.json: 2; sellers.json lists the account as a publisher, not an intermediary: 1; the seller is confidential in sellers.json: 1).
Seller IDs the networks do not list
2 lines of this app-ads.txt name an account ID that the ad system's sellers.json does not contain. Usually a stale line or a typo in the ID. How to fix it
| Line | Ad system | Account ID | Relationship |
|---|---|---|---|
| 36 | appnexus.com | 7445 | RESELLER |
| 129 | rubiconproject.com | 20086 | RESELLER |
More apps from 1&1 Mail & Media GmbH
New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Sat, Oct 10, 2026 9:27 PM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.