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.

dh3games.com app-ads.txt check

dh3games.com is missing out on higher CPMs: its app-ads.txt has 107 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 19 Oct 2026. 10,778 lines, 6,101 unique records, 4,265 duplicates, 107 invalid lines, 41 ad networks detected.

Ad networks in dh3games.com/app-ads.txt

Google AdMob — accounts pub-1270394644790118, pub-7279990999620104, pub-8622186303703569 and 1 more: 4 lines in the file
AppLovin — account 7b99df574780bc72d13d696b7511ea0f: 36 lines in the file
Bidmachine — account 517: 400 lines in the file, 228 expected lines missing
Sovrn — accounts 411915, 563477, 583061 and 5 more: 8 lines in the file
Maticoo (zMaticoo) — accounts 5135063, 114490: 265 lines in the file, 181 expected lines missing
Magnite (Rubicon) — accounts 166535, 26980, 26984 and 3 more: 6 lines in the file
InMobi — accounts ddb41d8a9f434a918d05a0fc9999d9f9, 9c4dbb5254b144aa9d9a5c613792598e: 202 lines in the file, 71 expected lines missing
OpenX — accounts 563905670, 558237126, 540861995 and 3 more: 6 lines in the file
Display.io — account 2522: 17 lines in the file, 16 expected lines missing
Smaato — accounts 1100057546, 1100057628, 1100050281: 3 lines in the file
Chartboost — account 55ba49bb04b016546acf3308: 400 lines in the file, 1 expected line missing
Criteo — account B-059025: 1 line in the file
DT Exchange (Fyber) — account 208197: 400 lines in the file
Xandr (Microsoft) — accounts 14416, 14808, 10605 and 5 more: 8 lines in the file
Amazon Publisher Services — account f2675f10-bb94-4c24-952a-62d165626a76: 1 line in the file
Liftoff Monetize (Vungle) — account 5d94de34260f520017c02535: 358 lines in the file, 33 expected lines missing
Yahoo — account 59719: 1 line in the file
Index Exchange — account 194537: 1 line in the file
TripleLift — accounts 9562, 9789: 2 lines in the file
PubMatic — accounts 160565, 158060, 159856: 3 lines in the file
Unity Ads — account 1014603: 161 lines in the file
ironSource / LevelPlay — account 178045: 116 lines in the file, 10 expected lines missing
Ogury — accounts 44de9b808865719981fc309368da57dd, ab377167a448b064aaf68b45a364e0dd, 0ab07af2bb793b547322c29d91529b81: 10 lines in the file, 10 expected lines missing
Mintegral — account 21232: 400 lines in the file, 42 expected lines missing
TikTok Ad Network (Pangle) — accounts 9898, 51416: 2 lines in the file
Yandex Ads — partner (reseller) lines only: 141 lines in the file, 27 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 99 lines in the file, 45 expected lines missing
BIGO Ads — partner (reseller) lines only: 400 lines in the file, 270 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 37 lines in the file, 12 expected lines missing
BlueSea — partner (reseller) lines only: 23 lines in the file, 14 expected lines missing
DSP Exchange — partner (reseller) lines only: 350 lines in the file, 211 expected lines missing
Madex — partner (reseller) lines only: 8 lines in the file, 10 expected lines missing
Monetrix — partner (reseller) lines only: 61 lines in the file, 32 expected lines missing
Prado — partner (reseller) lines only: 20 lines in the file, 7 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 242 lines in the file, 127 expected lines missing
Start.io — partner (reseller) lines only: 87 lines in the file, 70 expected lines missing
Kidoz — partner (reseller) lines only: 17 lines in the file, 5 expected lines missing
CAS.ai — partner (reseller) lines only: 134 lines in the file, 31 expected lines missing
DSail — partner (reseller) lines only: 134 lines in the file, 31 expected lines missing

Invalid lines

rtbhouse.com, olWuc51JgL1erBRr2TCq, RESELLER, 4f3b94578e85950c + medialabtech.ai, 55831584591, RESELLER
rtbhouse.com, olWuc51JgL1erBRr2TCq, RESELLER, 4f3b94578e85950c + medialabtech.ai, 55831584591, RESELLER
video.unrulymedia.com, 1767448067723954599
app-stock.com, 256917, RESELLER-$2K-$5K
mobilityware.com:
weatherbug.com:
easybrain.com:
say.games:
rollicgames.com:
singularads, 548745, RESELLER
ImproveDigital, 2343, RESELLER
pubmatic.com, 156520, RESELLER, 5d62403b186f2ace (key account for SEA)
pubmatic.com, 160456, RESELLER, 5d62403b186f2ace (key account for India)
ironsrc.com,yeahmobi.com,rubiconproject.com
visiblemeasures.com,1052,RESELLE

Corrected file: dh3games.com app-ads.txt (fixed).

FAQ

Does dh3games.com have an app-ads.txt?

Yes — https://dh3games.com/app-ads.txt has 10,778 lines (checked 19 Oct 2026).

Which ad networks does dh3games.com work with?

Its app-ads.txt lists Google AdMob, AppLovin, Bidmachine, Sovrn, Maticoo (zMaticoo), Magnite (Rubicon), InMobi, OpenX, Display.io, Smaato, Chartboost, Criteo and 29 more.

Is the app-ads.txt of dh3games.com correct?