sudoku.com
As of Nov 6, 2026, sudoku.com's ads.txt lists 1,270 seller lines across 213 ad systems and its DMARC policy is quarantine.
Checked daily since Oct 31, 2026. JSON. Link to this check. Run this site? Remove or correct this report.
Checked Nov 6, 2026, 23:33 UTC
| File | Status | What the robot saw | Same since |
|---|---|---|---|
| ads.txt | REMOVED | 1,270 seller lines, 213 ad systems. 4 changes since Nov 6. See the changes | 2026-11-06 |
| app-ads.txt | SUCCESS | 1,268 seller lines, 213 ad systems. | 2026-11-03, first check |
| sellers.json | NOT_FOUND | Not found. The site answered 404. 178 lines have no matching seller at adcolony.com, admize.io, adswizz.com, advertising.com, and 49 more. Evidence 509 lines not judged: the ad system's sellers.json could not be read. | 2026-11-05, first check |
| robots.txt | SUCCESS | Read. No rule names an AI crawler. | 2026-11-06, first check |
| llms.txt | SUCCESS | Published. Title: false. | 2026-11-06, first check |
| DMARC | SUCCESS | p=quarantine. Reports off. | 2026-11-06, first check |
| MTA-STS | UNAVAILABLE | Name did not resolve. No good check yet. UNAVAILABLE, NOT AN ABSENCE | |
| BIMI | EMPTY | Read. Nothing inside. | 2026-11-06, first check |
| security.txt | NOT_FOUND | Not found. The site answered 404. | 2026-11-06, first check |
4 changes since Oct 31
ads.txt sellers on Nov 6.
ads.txt sellers on Nov 6.
ads.txt sellers on Nov 6.
See before and after
sudoku.com changed its ad sellers on Nov 6. Publisher Watch finds changes like this across 8,118 publishers. One email a day.
See Publisher Watch
These are the site's own public files, as fetched, with the date. The robot reports what is published. It does not judge compliance, approval, or intent. A failed fetch is a failed fetch, never a missing file.
Not checked: anything behind a login, account settings, or private feeds. Whether crawlers obey robots.txt. Business deals: a file line is not a contract.