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.

gstarcad.net app-ads.txt check

gstarcad.net is missing out on higher CPMs: its app-ads.txt has 7 invalid lines and lists only 2,275 of the 3,223 lines its 18 ad networks expect (29% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 6,051 lines, 2,638 unique records, 3,375 duplicates, 7 invalid lines, 36 ad networks detected.

Ad networks in gstarcad.net/app-ads.txt

Google AdMob — accounts pub-3993432259398595, pub-2749054827332983, pub-2843405949989126: 3 lines in the file
TikTok Ad Network (Pangle) — account 5001328: 1 line in the file
InMobi — accounts cb6a6239dfec478f818c1ffca00ca440, 98a6eec14ad541388d8a0a158839c961, d708160556074572b05ed3cf112bb66f and 2 more: 155 lines in the file, 121 expected lines missing
Mintegral — accounts 24625, 22942: 400 lines in the file, 271 expected lines missing
Criteo — accounts B-068838, B-057702, B-063105: 3 lines in the file
Magnite (Rubicon) — accounts 16824, 26884, 22554 and 1 more: 4 lines in the file
PubMatic — accounts 158060, 163761, 163753 and 4 more: 7 lines in the file
OpenX — accounts 540679900, 540861995, 562175839 and 1 more: 4 lines in the file
BIGO Ads — accounts 316, 256, 426 and 1 more: 400 lines in the file, 182 expected lines missing
Xandr (Microsoft) — account 11879: 1 line in the file
Maticoo (zMaticoo) — accounts 33634, 114386, 1659ce03071962: 221 lines in the file, 226 expected lines missing
Sovrn — accounts 240095, 278426: 2 lines in the file
Yandex Ads — account 305143219: 116 lines in the file, 53 expected lines missing
Amazon Publisher Services — account 822c7bc2-d58f-4911-b8a2-95ee49e044c8: 1 line in the file
CAS.ai — account 922e6092: 107 lines in the file, 58 expected lines missing
Smaato — accounts 1100059247, 1100057628: 2 lines in the file
AppLovin — account 0a387750564d43b07767e72741799532: 25 lines in the file, 11 expected lines missing
Liftoff Monetize (Vungle) — account 604ec2ae5a93950016a63fdd: 365 lines in the file, 26 expected lines missing
Unity Ads — partner (reseller) lines only: 64 lines in the file, 96 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 55 lines in the file, 70 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 277 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 231 lines in the file, 219 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 99 lines in the file, 45 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 32 lines in the file, 17 expected lines missing
BlueSea — partner (reseller) lines only: 11 lines in the file, 26 expected lines missing
DSP Exchange — partner (reseller) lines only: 346 lines in the file, 215 expected lines missing
Madex — partner (reseller) lines only: 8 lines in the file, 10 expected lines missing
Monetrix — partner (reseller) lines only: 31 lines in the file, 62 expected lines missing
Prado — partner (reseller) lines only: 10 lines in the file, 17 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 142 lines in the file, 227 expected lines missing
Start.io — partner (reseller) lines only: 98 lines in the file, 59 expected lines missing
Kidoz — partner (reseller) lines only: 6 lines in the file, 16 expected lines missing
DSail — partner (reseller) lines only: 107 lines in the file, 58 expected lines missing
Bidmachine — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing

Invalid lines

trustedstack, TSTKQ5827, RESELLER
contextweb.com 562818, RESELLER,89ff185a4c4e857c
tpmn.io391,RESELLER
singularads, 445896, DIRECT
singularads, 445896, RESELLER
bidex.cn
51playable.com

Corrected file: gstarcad.net app-ads.txt (fixed).

FAQ

Does gstarcad.net have an app-ads.txt?

Yes — https://gstarcad.net/app-ads.txt has 6,051 lines (checked 19 Oct 2026).

Which ad networks does gstarcad.net work with?

Its app-ads.txt lists Google AdMob, TikTok Ad Network (Pangle), InMobi, Mintegral, Criteo, Magnite (Rubicon), PubMatic, OpenX, BIGO Ads, Xandr (Microsoft), Maticoo (zMaticoo), Sovrn and 24 more.

gstarcad.net app-ads.txt check

Ad networks in gstarcad.net/app-ads.txt

Invalid lines

FAQ

Does gstarcad.net have an app-ads.txt?

Which ad networks does gstarcad.net work with?

Is the app-ads.txt of gstarcad.net correct?

Other checked domains

More