Active DNSBL Monitoring to protect your delivery infrastructure
Active monitoring to protect your delivery infrastructure and eliminate bottlenecks before they impact your campaigns. Real-time intelligence across 120+ RBLs with automated delisting signals and root cause analysis.
Real-time DNSBL checks
Provides continuous monitoring across 120+ major Real-time Blackhole Lists. Scans your infrastructure hourly to detect reputation drift
- Spamhaus & DNSBL tracking
- Barracuda & SORBS support
- FBL signal correlation
Enterprise-grade IP monitoring
Active protection for your sender reputation. Everything you need to maintain high deliverability and ensure your emails reach the inbox.
120+ RBL sources
Global coverage
Instant alerts
Slack, Email, Webhooks
Multiple IP groups
Organize your infrastructure
Removal tutorials
Expert guidance
Bulk management
Scale with ease
API integration
Build it in
Monitor your reputation in 3 steps
RUA•Watcher takes the manual work out of reputation management.
Infrastructure mapping
Input the IP addresses or ranges used by your mail servers or third-party providers to begin recursive monitoring
Baseline reputation scan
We instantly audit all 120+ sources to provide a baseline reputation score and identify any existing delivery blocks
Enable alerts
Configure notification channels to be the first to know if any IP gets listed anywhere in the world
Blacklist monitoring FAQ
Answers to common questions about RBLs and email deliverability.
A Real-time Blackhole List, also known as DNSBL, is a database of IPs known for sending spam or having poor security hygiene. ISPs query these lists in real time to filter incoming mail.
We correlate RBL listings with your DMARC aggregate data. If a listing occurs without an associated spike in authentication failures, our intelligence tools help you identify it as a potential false positive.
Each list has its own delisting process. Usually, you must fix the source of the spam, then submit a removal request via the list owner's website.
We cannot remove listings on your behalf, but we provide the exact links and technical data required to make the removal process as fast as possible.
Impact is immediate. Once your IP appears on a major RBL like Spamhaus or Barracuda, receiving servers that query that list will start rejecting or filtering your mail within minutes. This is why real-time monitoring and instant alerts are critical for maintaining deliverability.
Keep your sending IPs clear and your mail flowing
Monitor DNSBL listings in real time, spot reputation drops early, and get actionable alerts when your infrastructure needs attention