Blacklist look up tool helps to test the IP address of a website against the list of the email blacklists in DNS (Domain Network Server). This tool will look up the blacklists domain and IP addresses and we search if the provided URL is within those list of IP’s. With the help of this tool, you can easily check whether your IP address is the list of blacklists because it can result in the blocking of the emails from your end.
You simply need to provide the URL of your website and this blacklist look up tool will automatically check whether your IP address is the list of those marked as blacklisted and will generate the report accordingly. So, check for the IP address of your website to make sure that the forum chats or emails from your side do not get blocked before reaching the end user.