How does it work? The website uses a blacklist check to scan over 100 different blacklists. Users enter their IP address or domain name to initiate the check. MXToolbox then provides details of all blacklists that include the IP or domain. It also offers a Domain Health Report, which examines issues that may lead to blacklisting and provides advice on how to fix them. How accurate is it? It is difficult to find information about the accuracy of the tool. However, MXToolbox uses up-to-date databases.
What do users say about the tool? Useful for DNS lookups and mail server settings. It is not possible to send or receive test emails directly from the site. Could be improved by adding DNSSEC support. The interface can be difficult to use to navigate between the different tools. Email alerts regarding blacklist status can be misleading at first glance. What is my IP address? WhatIsMyIPAddress lets you know if your IP address is on a spam blacklist.
The website lists major databases that track blacklisted IP addresses to help you determine if you are being blocked. WhatIsMyIPAddress Home Page How does it work? On WhatIsMyIPAddress, you enter your IP address to usa number database check the blacklist of many anti-spam databases. It tells you if your IP address is on any of these lists and helps you understand why. The website does not manage these blacklists, but it does allow you to view them in one place. You can use it to determine if your IP has any issues that might be preventing you from sending emails.
How accurate is it? The site offers accurate results by comparing your IP to a wide range of databases. Some users report that the accuracy could be better. What do users say about the tool? Useful for finding and resolving IP address issues. It explains technical information in an easy to understand manner. Free to use with additional useful tools and information. Some users are at their wit's end when it comes to IPs and blacklists. Master of the blacklist Blacklistmaster helps you check if your IP addresses are on email blacklists. It is designed to help users quickly find out if their IP addresses have issues that could affect email deliverability.