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Format

JSON
{
  "timestamp": "2022-02-14T18:25:43.511Z",
  "hostname": "login-paypal.ddns.net"
}

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Rate

The current rate is around 8,000,000 newly observed hostnames per day.

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Pricing

€999/month — talk to us at contact@dns0.eu to set up the subscription and get your API key.
Threat intelligence partners get free or discounted access to this data feed.

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Authentication

Authenticate by passing your API key as Bearer token in the Authorization header.
The WebSocket streaming endpoint is available without authentication for testing purposes (up to 10 minutes per day).

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Stream

WebSocket

The WebSocket endpoint is available at the following URL.
wss://data.dns0.eu/noh
Upon request, you will be granted the pubsub.subscriber role for the topic projects/dns0eu/topics/data.noh.
Evaluating demand, please register your interest at contact@dns0.eu.
Evaluating demand, please register your interest at contact@dns0.eu.
Evaluating demand, please register your interest at contact@dns0.eu.

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Download

Newline-delimited JSON dumps of the previous day’s stream are made available daily at the following URL. 
https://data.dns0.eu/noh
The file is updated every day between midnight and 1am UTC. Use conditional requests (If-Modified-Since) or make use of HEAD requests to avoid unnecessary bandwidth usage.