How do you check if your domain or IP is listed?
Multi-list scanners:
- MXToolbox Blacklist Check - scans 100+ lists
- HetrixTools - multi-list monitoring
- MultiRBL - comprehensive scanning
Direct checks:
- spamhaus.org/lookup - Spamhaus lists
- barracudacentral.org - Barracuda
- surbl.org - URI blocklist
What to check:
- All sending IP addresses
- Sending domains
- Link domains used in emails
- Tracking domains
Frequency:
- Check regularly (weekly minimum)
- Check immediately when problems occur
- Set up automated monitoring
- Regular inspections of all registries where your fleet might be flagged.
Need personalized help?
Check if you're blocklisted (and what to do). Open an AI assistant with your question pre-loaded — just add your details and send.
Was this answer helpful?
Thanks for your feedback!