Domain Blocklist Monitoring

Blocklist Monitoring enables you to keep an eye on your reputation. Monitor your domains against our curated list of blocklist providers to make sure you aren’t being blocked.

Monitored blocklists include:

  • Spamhaus DBL

To add and remove domains from our domain blocklist monitoring service, see the domain management API docs.

List Domains

This endpoint allows you to retrieve a list of monitored domains including information about their health statuses.

GET /v1/monitoring/domains

Example 200 response:

  "domains": [
          "domain": "",
          "updated_at": "2023-02-22T23:00:00.000Z",
          "state": "healthy",
          "listed": null
          "domain": "",
          "updated_at": "2023-02-23T23:00:00:000Z",
          "state": "listed",
          "listed": [
                  "list": "",
                  "name": "Spamhaus DBL",
                  "first_seen": "2022-12-12T18:45:02.357Z",
                  "last_seen": "2023-02-23T12:45:01.941Z",
                  "comments": [

See below for an explanation of the health details returned in the response body:

Field Description
state This field describes the domain’s current state of health. Possible values include “healthy” and “listed”. If the domain exists on any monitored blocklists, state will be “listed”.
listed This field contains a list of blocklists where your domain is currently listed.


Use our alerting platform to be notified when your monitored domains are blocklisted. To learn more, see the alerting documentation.