RBL Check

Check if an IP address is listed on DNS-based blackhole lists.

RBL check screen

Overview

Enter an IP address to check against Realtime Blackhole Lists (DNSBL). The backend runs seclayer.php --rblcheck IP and displays results.

How to Use

  1. Navigate to Tools > RBL Check.
  2. Enter the IPv4 address to check.
  3. Click Check.
  4. Review the results: each zone shows Listed or Clean.

Scheduled RBL Report

SecLayer can check this server's own public IP addresses on a schedule and email the result. Choose a schedule (or Off) and click Save. Expand the monitored-IP summary to see which IPs are checked, and click Edit RBL Options to enable or disable individual IPs and RBLs.

CLI Equivalent

# Check this server's own IPs and print the report:
seclayer --rbl

# Run the report and email it:
seclayer --rbl [email protected]

# Check one IPv4 address:
seclayer --rbl 203.0.113.42

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