DNSBL
DNSBL check tracks whether your mail infrastructure appears in anti-spam blacklists.
Requires PRO plan.
Form fields
| Field | Meaning | What to enter | Example |
|---|---|---|---|
| Name | Name of the anti-spam check. | Describe what you are monitoring. | Mail server blacklist |
| Host | Host or IP to query in blacklist. | Use sending server IP or hostname. | 203.0.113.25 |
| DNSBL lists | Blacklist sources to check against. | Select sources important for your provider flow. | Spamhaus, Barracuda |
| Interval | How often blacklist status is refreshed. | Choose frequency based on your monitoring needs. | 1 hour |
When it becomes an issue
Issue appears if the host is found in at least one selected DNSBL list.