udmserve.net

Fetch Details

First Fetch	2021-06-10T11:04:36+00:00
Last Fetch	2026-02-16T12:20:59+00:00
Fetch Status	Ok

Fetch Requests (1)

Last Fetch

Fetched	2026-02-16T12:20:59+00:00
URL	https://udmserve.net/sellers.json
Content Type	application/json
Hash	65653ea3caab9f61e88e87697d17774dd7d2a3e2707f8e533d334e320fbfa8f1
SimHash	7a11b7a5adc3

Sellers.json Details

Version	1.0
Contact Email	rtb@underdogmedia.com
Contact Address	Underdog Media LLC, 1616 Anacapa St, Santa Barbara, CA, 93101-1910
TAG-ID	0cf60ed62b5f3e40

Current Sellers

Breakdown of the ad seller records from udmserve.net's sellers.json file. Sellers can represent publishers, intermediaries, or both. They may have public ownership information, or be marked as confidential.

Ownership	Publisher	Intermediary	Both	Total
Public	198	3	0	201
Confidential	0	0	0	0
Total	198	3	0	201

Missing Sellers

Sellers that were present in previously fetched versions of udmserve.net's sellers.json file, but were missing from the last successfully fetched file.

Ownership	Publisher	Intermediary	Both	Total
Public	1,303	3	0	1,306
Confidential	0	0	0	0
Total	1,303	3	0	1,306

Warnings

Code	Description	Count
sellers_missing_domains	Missing sellers[].domain field.	1

Seller Profiles

Sellers are profiled based on the sites (ads.txt) and app developers (app-ads.txt) that authorize them. Profiles are recalculated periodically, so may not incorporate recent changes.

Authorized Sellers

The number of current udmserve.net sellers authorized by at least one site or app developer, broken down by the declared relationship.

Resource	Direct	Reseller	All
ads.txt	141	5	141
app-ads.txt	11	4	12

Expected Types

Comparison between the declared types of current udmserve.net sellers and their expected types, based on the relationships declared by the sites and app developers that authorize them.

Expected Type	Publisher	Intermediary	Both
Publisher	136	0	0
Intermediary	0	0	0
Both	2	3	0

Profile Warnings

Description	Count
Authorized direct by multiple owners.	62
Not authorized by any known site/app.	60
Domain doesn't match expected domain.	13
Type doesn't match expected type.	5

Authorizing Entities

The number of sites (ads.txt) and app developers (app-ads.txt) that authorize accounts from udmserve.net, broken down by the declared relationship.

Resource	Direct	Reseller	All
ads.txt	16,784	486	17,233
app-ads.txt	1,793	32	1,825

Owned Sellers

Sellers from other ad systems that list udmserve.net as the owner domain.

Status	Publisher	Intermediary	Both	Total
Ok	2	20	4	26
Missing	1	84	0	85
Total	3	104	4	111