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.

dcs-global-hk.com app-ads.txt check

dcs-global-hk.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 3 ad networks expect (99% of 362 lines).

Checked 20 Oct 2026. 442 lines, 441 unique records, 0 duplicates, 0 invalid lines, 23 ad networks detected.

Ad networks in dcs-global-hk.com/app-ads.txt

Meta Audience Network — accounts 586715837358161, 959745459009942, 293909979928312: 3 lines in the file
Google AdMob — accounts pub-8907766505343358, pub-3271384969316133: 2 lines in the file
Vungle — accounts 6762863b1fa0820011e55d0f, 62a6c4c4230b32001bdf5c45, 65e14d82dd88170011dee91b: 360 lines in the file, 2 expected lines missing
AppLovin — partner (reseller) lines only: 13 lines in the file, 22 expected lines missing
Mintegral — partner (reseller) lines only: 174 lines in the file, 400 expected lines missing
Unity Ads — partner (reseller) lines only: 27 lines in the file, 133 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 28 lines in the file, 97 expected lines missing
Chartboost — partner (reseller) lines only: 171 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 40 lines in the file, 231 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 118 lines in the file, 332 expected lines missing
Yandex Ads — partner (reseller) lines only: 42 lines in the file, 126 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 42 lines in the file, 102 expected lines missing
BIGO Ads — partner (reseller) lines only: 99 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 394 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 64 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 42 lines in the file, 400 expected lines missing
Monetrix — partner (reseller) lines only: 11 lines in the file, 82 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 145 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 42 lines in the file, 327 expected lines missing
Start.io — partner (reseller) lines only: 15 lines in the file, 142 expected lines missing
CAS.ai — partner (reseller) lines only: 38 lines in the file, 127 expected lines missing
DSail — partner (reseller) lines only: 38 lines in the file, 127 expected lines missing
Bidmachine — partner (reseller) lines only: 210 lines in the file, 400 expected lines missing

Corrected file: dcs-global-hk.com app-ads.txt (fixed).

FAQ

Does dcs-global-hk.com have an app-ads.txt?

Yes — https://dcs-global-hk.com/app-ads.txt has 442 lines (checked 20 Oct 2026).

Which ad networks does dcs-global-hk.com work with?

Its app-ads.txt lists Meta Audience Network, Google AdMob, Vungle, AppLovin, Mintegral, Unity Ads, ironSource / LevelPlay, Chartboost, InMobi, DT Exchange (Fyber), Yandex Ads, VK Ads (myTarget) and 11 more.

Is the app-ads.txt of dcs-global-hk.com correct?