Checkers Online - Duel friends
by Hagstrom Dev · com.hagstrom.henrik.checkers
Most of the 236 lines in Checkers Online - Duel friends's app-ads.txt (m9dfccd04.app-ads-txt.com) are RESELLER lines: 224 against 12 DIRECT, across 82 ad systems. 67 of the 206 lines checked name a seller ID the network's sellers.json does not list, so buyers that check drop those paths. The file last changed on 3 October 2026; the same file covers 3 apps of this developer.
Checkers Online - Duel friends shares its app-ads.txt (m9dfccd04.app-ads-txt.com) with Chess Online - Duel friends! (Google Play), whose page carries the full analysis of the file.
Store data
- Rating
- 3.62
- Installs
- 500,000+
- Category
- Board
- Contains ads
- Yes
5,460 ratings
Offers in-app purchases
app-ads.txt
- Domain
- m9dfccd04.app-ads-txt.com
- Status
- Found (200)
- Lines
- 236
- DIRECT / RESELLER
- 12 / 224
- Parse errors
- 0
- Last fetched
- Oct 13, 2026
- Last changed
- Oct 3, 2026
sellers.json cross-check
236 lines checked
Verified
115
Errors
75
Warnings
19
- Seller ID not found 67
- DIRECT but intermediary 4
- RESELLER but publisher 4
- Seller type BOTH 16
- No sellers.json 3
- Unchecked 27
Declared supply tree
12 direct accounts across 9 direct sellers · 108 resellers buying from them · 116 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| inmobi.com | 1 | 47 resellers: pubmatic.com, rubiconproject.com, appnexus.com … | 1 |
| smaato.com | 1 | 43 resellers: pubmatic.com, bidmachine.io, rubiconproject.com … | 0 |
| uis.mobfox.com | 1 | 2 resellers: pubmatic.com, improvedigital.com | 0 |
| google.com | 2 | 1 reseller: smaato.com | 1 |
| pubmatic.com | 2 | — | 2 |
| triplelift.com | 2 | — | 2 |
| media.net | 1 | — | 1 |
| tappx.com | 1 | — | 1 |
| unity.com | 1 | — | 0 |
116 resellers, intermediary not matched to a direct seller of this app (not cross-checked yet: 27; account not found in the ad system's sellers.json: 63; the intermediary's domain is not a direct seller of this app: 19; the ad system publishes no usable sellers.json: 3; sellers.json lists the account as a publisher, not an intermediary: 4).
Seller IDs the networks do not list
67 lines of this app-ads.txt name an account ID that the ad system's sellers.json does not contain; the first 15 in file order. Usually a stale line or a typo in the ID. How to fix it
| Line | Ad system | Account ID | Relationship |
|---|---|---|---|
| 6 | adiiix.com | par-9A2627866DA4BBE4F4AA4A67A3DDE686 | RESELLER |
| 10 | advertising.com | 28246 | RESELLER |
| 11 | adview.com | 33633363 | RESELLER |
| 12 | advlion.com | 584 | RESELLER |
| 16 | algorix.co | 60095 | RESELLER |
| 17 | algorix.co | 60097 | RESELLER |
| 18 | algorix.co | 60197 | RESELLER |
| 19 | algorix.co | 60216 | RESELLER |
| 20 | algorix.co | 60299 | RESELLER |
| 24 | appnexus.com | 12475 | RESELLER |
| 25 | appnexus.com | 12501 | RESELLER |
| 26 | appnexus.com | 12867 | RESELLER |
| 29 | appnexus.com | 13074 | RESELLER |
| 30 | appnexus.com | 13101 | RESELLER |
| 31 | appnexus.com | 13227 | RESELLER |
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New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Wed, Oct 7, 2026 2:49 AM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.