Domain name below and click submit to check it against our list of famous blocklists. Use this form to determine if a list of sites or URLs is blocked and in which categories. Blocklist lookup is an all-in-one tool to check if your site's IP address is listed in an anti-spam database. You can check whether your site's IP address is not banned in specific databases or flagged by these databases. When spam hits your website, search engines block your site's IP address for security purposes. Sometimes, web admins may not be aware that search engines have banned their website's IP. If your site is deindexed from search engines or you see a decrease in organic traffic, use our blocklist lookup tool to check if your website is blocked.

WHAT IS A BLOCKLIST?

Search your domain name on a block list. Please enter an IP address, or Since spam email is a huge problem online, many sources are available on the Internet that lists publicly known servers that send spam. These lists, commonly referred to as blocklists, are used by many email providers to help block spam emails sent to their users. A blocklist is a collection of IP addresses believed to deliver spam. Emails from these addresses are either blocked or routed to the recipient's spam folder. The blocklist is identified by spam filters, which use set criteria to identify emails believed to be malicious or spam. Malicious or spammy. Ensuring that emails are delivered and blocklists are avoided is the first critical step in successful email marketing.

IMPORTANCE OF USING A BLOCKLIST LOOKUP

The primary or actual use of domain blocklist checks is mail blocking. Most email servers these days have DNSBL support built-in or a plug-in that allows a server administrator to block all email from domains or sites listed on a specific DNSBL. This may be an attempt to reduce the number of spam users send. More recently, DNSBLs have also been used as a part of spam scoring systems, for example, Spam Assassin.