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Formats

We support any of the following formats:

  • newline-delimited list
  • CSV
  • JSON
For CSV and JSON, we support custom schemas.

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Delivery methods

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Pull

We support pulling your feed(s) over HTTP.

We fetch feeds from a static IP address (if IP-based access restrictions are in place).

We send conditional requests when supported to avoid unnecessary traffic.

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Push

You can push your feed(s) directly to us using the following command:

curl https://api.dns0.eu/feeds/{id} \
  -H "Authorization: Bearer 7a8c94bb5c6c22f24861abfaf3b42a59" \
  -T /local/path/to/feed.txt

We also support standard HTTP PUT requests with the content of the file as body.

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Additional notes

  1. We handle feeds in a stateless fashion — the domains listed in the latest pulled or pushed version of your feed(s) are the ones we block, everything before that is discarded.
  2. Our infrastructure can very rapidly enact changes to feeds on dns0.eu. We can check and apply changes as often as every minute when pulling, and instantly when pushing.
  3. Feeds are fetched and processed securely and only deployed to our DNS nodes in the form of hashes. They are never to be used for anything else.
  4. We do not alter feeds — all domains included in the latest version of your feed(s) are blocked.
  5. We prefer using the format and delivery method that you use most often with your customers or partners, as it is usually the one best monitored and less prone to failures.
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