House of Blackjack 21
by MASSIVE GAMING PTY. LTD. · 1439987855
Most of the 426 lines in House of Blackjack 21's app-ads.txt (massivegaming.io) are RESELLER lines: 419 against 7 DIRECT, across 114 ad systems. 116 of the 385 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 6 October 2026; the same file covers 6 apps of this developer.
House of Blackjack 21 shares its app-ads.txt (massivegaming.io) with House of Blackjack 21 (Google Play), whose page carries the full analysis of the file.
Store data
- Rating
- 4.42
- Installs
- —
- Category
- Games
- Contains ads
- Yes
17,581 ratings
Not published by Apple
Offers in-app purchases
app-ads.txt
- Domain
- massivegaming.io
- Status
- Found (200)
- Lines
- 426
- DIRECT / RESELLER
- 7 / 419
- Parse errors
- 6
- Last fetched
- Oct 12, 2026
- Last changed
- Oct 6, 2026
sellers.json cross-check
426 lines checked
Verified
222
Errors
138
Warnings
32
- Seller ID not found 116
- DIRECT but intermediary 2
- RESELLER but publisher 20
- Seller type BOTH 22
- Confidential seller 3
- No sellers.json 7
- Unchecked 34
Declared supply tree
7 direct accounts across 7 direct sellers · 208 resellers buying from them · 211 not matched
| Direct seller | Accounts | Resold by | Issues |
|---|---|---|---|
| vungle.com | 1 | 24 resellers: rubiconproject.com, bidmachine.io, smartyads.com … | 0 |
| applovin.com | 1 | 23 resellers: pubmatic.com, media.net, rubiconproject.com … | 1 |
| unity.com | 1 | 15 resellers: pubmatic.com, xandr.com, webeyemob.com … | 1 |
| google.com | 1 | 1 reseller: pubmatic.com | 0 |
| onetag.com | 1 | 1 reseller: smartadserver.com | 1 |
| pangleglobal.com | 1 | 1 reseller: pubmatic.com | 0 |
| adsyield.com | 1 | — | 1 |
211 resellers, intermediary not matched to a direct seller of this app (not cross-checked yet: 34; account not found in the ad system's sellers.json: 114; sellers.json lists the account as a publisher, not an intermediary: 20; the intermediary's domain is not a direct seller of this app: 34; the ad system publishes no usable sellers.json: 7; the seller is confidential in sellers.json: 2).
Seller IDs the networks do not list
116 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 |
|---|---|---|---|
| 3 | applovin.com | 9d0d95c8e7ce75166f6135a7897ea21f | DIRECT |
| 15 | sonobi.com | 5b003395a5 | RESELLER |
| 17 | vidoomy.com | 2412786 | RESELLER |
| 18 | adtonos.com | PUB3603521960 | RESELLER |
| 19 | adswizz.com | consumable | RESELLER |
| 23 | smaato.com | 1100042823 | RESELLER |
| 25 | appnexus.com | 13227 | RESELLER |
| 31 | bigo.sg | 143 | RESELLER |
| 34 | freewheel.tv | 1157777 | RESELLER |
| 36 | freewheel.tv | 1446674 | RESELLER |
| 37 | adview.com | 32076181 | RESELLER |
| 38 | freewheel.tv | 1157729 | RESELLER |
| 40 | algorix.co | 54250 | RESELLER |
| 44 | webeyemob.com | 70107 | RESELLER |
| 59 | betweendigital.com | 43092 | RESELLER |
More apps from MASSIVE GAMING PTY. LTD.
New to these files? What is app-ads.txt · Network directory · Glossary
Last crawled Mon, Oct 12, 2026 8:40 PM. Data derived from the public store listing, the developer's app-ads.txt and the ad systems' sellers.json files.