Use our advanced tool to determine if a domain, IP address, or email address is enlisted in the DNSBL and other blacklist databases for suspicious activity.
Note: It takes 20 to 40 seconds to check blacklists.
With real-time data and advanced algorithms, our blacklist check tool enables you to detect if IPs, domains, and emails are blacklisted. This significantly helps to identify suspicious activities—and proactive measures to protect your online presence.
IP Blacklist Check - Is your server's IP address causing issues with your online services? Use our tool to detect if your IP address has been blacklisted across different databases or what. Identifying and resolving any security concerns is recommended as it helps ensure seamless connectivity and uninterrupted online operations.
Check Email Blacklist - Are your important emails not reaching their destination? Our tool allows you to verify your email address against multiple blacklists, helping you ensure smooth email deliverability. Identify and address potential blacklisting problems quickly to maintain a positive email sender reputation.
Domain Blacklist Check - Do you want to protect your website's integrity? Verify your domain against various blacklists to ensure it hasn't been flagged for suspicious or malicious activities. Regularly monitor your domain's blacklist status, as it helps to avoid potential security breaches while maintaining a trusted online presence.
It is designed to be the ultimate solution for real-time checking IP, domain, and email blacklist status. Here’s how you can use it even if you do not have any technical expertise:
Specify the IP address, domain name, or email address you want to check in the updated blacklist databases. Enter only a single query in one attempt.
Click on “Check in Blacklists” to run our blacklist checker. It will retrieve the associated IP, which you’ll need to tap to proceed and get a result.
It will display all the blacklists, highlighting whether the domain, IP, or email is enlisted. “Yes” indicates that it is blacklisted, whereas “No” indicates that it is not blacklisted.
If you find your resource enlisted in any blacklist database, click “details” to understand why it is blacklisted.
Note: We do not manage, run, or have any direct affiliation with any blacklist. We only provide a single platform to check a domain, IP, or email server status on third-party blacklists. We do not recommend using any specific blacklist or condone blacklists that require payment for removal. Including such blacklists in our tool is for completeness and should not support that blacklist's usage.
Would you be interested in more IP tools on DNSChecker? Why do not you try our WHOIS IPv6, Email Header Analyzer Online, and Ping IP Address? All the IP tools are top-notch and free!
The process is straightforward:
A blacklist lists IP addresses, domains, or email servers identified as spam sources, malicious activity, or other prohibited behavior. Internet service providers and organizations maintain these blacklists to filter out and block unwanted traffic before it reaches end-users, such as email recipients or website visitors.
If you want to verify whether your IP address has been blacklisted, it is advisable to use a reliable IP-checking service like https://dnschecker.org/ip-blacklist-checker.php. Here's a simple guide to checking your IP status:
Following these steps, you can quickly determine if your IP address has been blacklisted.
IP Blacklist differs from Email Blacklist. As the IP Blacklist means the whole IP Range is blacklisted so the emails sent from the IP will also be affected, while the Email Blacklist relates to the blacklisting of a specific Email Service or Domain sending emails. An Email can be blacklisted and the IP remains unaffected and vice versa.
There can be several reasons why your IP address is blacklisted. For instance, if your company uses email marketing and sends many promotional emails, some recipients may mark those emails as spam. As a result, your IP address could end up on a blacklist. The blacklist IP can cause your emails to be blocked or marked as spam by receiving email servers. One estimate concludes that email traffic consists of 80% of spam emails. That overwhelming amount of commercial emails leads to strict blacklisting practices to keep the inboxes spam-free. So one must check email for blacklist.
There can be several reasons why your IP address might end up on a blacklist:
Sending Spam: If your mail server is misconfigured and unintentionally sending spam, or if you intentionally send out spammy emails, your IP address may be blacklisted.
Purchased Email Lists: Buying email lists from third parties that contain incorrect or spam email addresses often leads to blacklisting.
High Spam Reports: If many email recipients mark your emails as spam, it can trigger blacklisting.
Compromised Email Account: If someone gains unauthorized access to your email account and uses it for spammy activities, your IP address can be blacklisted.
Previous Usage: In some cases, your IP address is blacklisted due to activities by its previous user. This usually happens with dynamic IP addresses. Your domain may also be spammy, or you may get backlinks from spammy websites. Use an external link checker to perform your website’s link audit.
If you find that your IP address has been blacklisted, follow these simple steps to address the issue:
Scan for Viruses and Malware: First, ensure your system is free from viruses and malware. Perform a comprehensive scan using reliable security software to detect and remove potential threats.
Identify Blacklist Listings: Determine which blacklists have blacklisted your IP address. Leverage our free tool to perform a quick IP address blacklist check and identify the reason behind blacklisting.
Investigate the Reasons: Investigate why your IP address was listed on each blacklist. Most blacklists provide general listing reasons, so understanding the cause is crucial to rectifying the issue.
Contact Blacklist Providers: Reach out to the administrators or maintainers of the blacklists where your IP is listed. Some blacklists offer removal request procedures. Contact them and request removal, providing any necessary information or evidence to support your case.
Follow Removal Request Guidelines: Each blacklist may have different guidelines and procedures for removal requests. Make sure to follow their specific instructions precisely to increase the chances of your request being considered.
Be Patient and Persistent: Submitting a removal request does not guarantee immediate removal from the blacklist. The decision to remove an IP address lies with the blacklist maintainer. Be patient and, if necessary, follow up on your request politely and persistently.
Monitor Your Reputation: After submitting the removal request, monitor your IP address's reputation and whether it gets delisted from the blacklists. Continue monitoring to ensure your IP address remains clean and is not re-listed.
Do not forget to practice good email and online security hygiene. Ensure your systems are up-to-date with the latest security patches, follow email marketing best practices, and promptly address any issues recipients report.
Our blacklist checker only checks your IP Address / Email Address in the blacklist or marked as spam.
The most common reason an IP address remains on a blacklist is due to reports of spam emails being sent from that IP. While being blacklisted might not significantly impact home users, it can have severe consequences for businesses or individuals running mail servers.
Here’s what you can do further if your IP address remains on a blacklist:
Diligently follow these guidelines to improve your chances of removal from blacklists! It would be better to keep performing a quick IP blacklist check regularly to stay updated.
Over time, if your device shows suspicious activity, another administrator's computer may identify it, blocking your IP address. Subsequently, the reported IP address gets added to a blocklist. Likewise, when you or your mail server send spam, blacklists will also flag and block those accounts.
Using a VPN or Proxy server helps you bypass the blacklists most of the time. You can use top VPNs to mask your IP. However, some Blacklists also identify the IP Addresses associated with VPNs or proxies that are into spam activities.
