Each finding lists the exact lines involved. Findings are automated observations of public files as of
Oct 7, 2026. They describe file contents, not the intent or conduct of any company.
warning
Seller IDs not listed in the ad system's sellers.json
11−20 pts
The ad system's current sellers.json doesn't list these accounts, so buyers that validate the chain can't match them. Common causes are closed accounts or former partners.
How to fixAsk each partner whether the account is still active and request their current lines; remove lines for closed accounts.
Evidence (11)
line 12 pubmatic.com, 159668, RESELLER, 5d62403b186f2ace
→ sellers_json: https://pubmatic.com/sellers.json
line 14 onetag.com, 72b20ec05ea6e86, DIRECT
→ sellers_json: https://onetag.com/sellers.json
line 17 google.com, pub-3769010358500643, RESELLER, f08c47fec0942fa0
→ sellers_json: https://realtimebidding.google.com/sellers.json
line 25 rubiconproject.com, 24484, RESELLER, 0bfd66d529a55807
→ sellers_json: https://rubiconproject.com/sellers.json
line 28 rubiconproject.com, 23986, RESELLER, 0bfd66d529a55807
→ sellers_json: https://rubiconproject.com/sellers.json
line 35 eskimi.com,2020000032, RESELLER
→ sellers_json: https://eskimi.com/sellers.json
line 38 dragon-advertising.com, 44f683a84163b3523afe57c2e008bc8c8283, RESELLER
→ sellers_json: https://dragon-advertising.com/sellers.json
line 39 e-planning.net, 384cc67d47354bbd, RESELLER, c1ba615865ed87b2
→ sellers_json: https://e-planning.net/sellers.json
line 44 sonobi.com, 94997de4e6, RESELLER, d1a215d9eb5aee9e
→ sellers_json: https://sonobi.com/sellers.json
line 45 e-planning.net, ef8dc1dee54baf18, RESELLER, c1ba615865ed87b2
→ sellers_json: https://e-planning.net/sellers.json
line 46 opera.com, pub5479493704320, RESELLER, 55a0c5fd61378de3
→ sellers_json: https://opera.com/sellers.json
warning
DIRECT lines inconsistent with public data
1−13 pts
The ads.txt specification defines DIRECT as an account the publisher directly controls. For these lines, either the ad system's own sellers.json lists the account as INTERMEDIARY, or the same account is marked DIRECT in the files of 3 or more unrelated companies. Either way, the public data does not support the DIRECT label. Buyers that use DIRECT labels in supply-path decisions may treat these lines differently.
How to fixUse DIRECT only for accounts your company controls. Confirm with each partner whether the account is yours; if it isn't, the specification calls for RESELLER.
Evidence (1)
line 14 onetag.com, 72b20ec05ea6e86, DIRECT
→ observed: the same account is marked DIRECT by 25 different companies
warning
Malformed lines
1−2 pts
Lines that buyers' crawlers will ignore.
How to fixFix the format: <ad system domain>, <seller id>, DIRECT|RESELLER[, <cert authority id>].
Evidence (1)
line 37 bidvol.com, RESELLER, 93287
→ reason: relationship must be DIRECT or RESELLER, got '93287'
warning
Lines for ad system domains that don't resolve
1−2 pts
These ad system domains don't resolve (the domain may be retired, merged or misspelled). The lines can't be validated, and if the domain is registered again, its new holder would appear authorized.
How to fixRemove these lines. If the domain is registered again, its new holder would appear authorized by your file.
Evidence (1)
line 43 gamoshi.io, 267-b5310, RESELLER, 20e30b2ae1f670f2
→ ad_system: gamoshi.io
info
No OWNERDOMAIN declared
1−2 pts
app-ads.txt 1.1 recommends OWNERDOMAIN so buyers can match DIRECT accounts to the owner.
How to fixAdd OWNERDOMAIN=<your company domain> to the file.
info
Duplicate lines
1−1 pts
Harmless but a sign of copy-paste maintenance.
How to fixRemove duplicates; keep one copy of each line.
Evidence (1)
ad_system: google.com seller_id: pub-4445253617644321 relationship: DIRECT
info
Ad systems without a public sellers.json
10
The ad system doesn't publish a readable sellers.json, so nobody can verify these lines. That's the ad system's gap, not the app's, so no points are deducted.
How to fixAsk the partner to publish sellers.json; until then buyers can't verify that path.
Evidence (10)
line 7 smartadserver.com, 4395, RESELLER, 060d053dcf45cbf3
→ sellers_json: HTTP 404
line 10 smartadserver.com, 4467, RESELLER
→ sellers_json: HTTP 404
line 15 advertising.com, 28246, RESELLER
→ sellers_json: HTTP 403 to automated requests
line 18 freewheel.tv, 20393, RESELLER
→ sellers_json: HTTP 403 to automated requests
line 19 freewheel.tv, 24377, RESELLER
→ sellers_json: HTTP 403 to automated requests
line 20 yahoo.com, 58905, RESELLER, e1a5b5b6e3255540
→ sellers_json: HTTP 429 to automated requests
line 21 aol.com, 58905, RESELLER, e1a5b5b6e3255540
→ sellers_json: HTTP 404
line 30 appnexus.com, 13794, RESELLER, f5ab79cb980f11d1
→ sellers_json: HTTP 403 to automated requests
line 36 adzvigo.com, b83aac23b9528732c23cc7352950e88031818, RESELLER
→ sellers_json: bot-check page instead of the file
line 41 appnexus.com, 8233, RESELLER
→ sellers_json: HTTP 403 to automated requests
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