DNSBL Test
Email DNS Blacklist Check
- psbl.surriel.com
- dnsbl.sorbs.net
- bl.spamcop.net
- zen.spamhaus.org
- b.barracudacentral.org
- all.spamrats.com
If the specified domain or IP address appears on a blacklist the test will return a failing result.
DNSBL Monitoring Test
Our free DNSBL test tool is great for running one-off checks when you think you might have a problem sending email. The consequences of being added to an email blacklist can be harmful to an organization if not appropriately dealt with. For example, loss of revenue and confidence in the organization’s brand are of the utmost importance. If left unchecked, being blacklisted can severely strain the relationships the users and clients the organization worked so hard to build.
Email administrators often do not know if their domain has been added to any of the major email blacklists. Only after issues start occurring are organizations made aware of blacklist issues. And by that time, it is already too late. The first consequence is that communications cannot be sent to users. If you are an email administrator and are concerned about the possibility of being blacklisted, try the Dotcom-Monitor continuous blacklist monitoring solution free for 30 days. With the Dotcom-Monitor DNSBL monitoring solution, you can set up email, SMS text message, or phone call alert notifications as soon as your domain or IP address is detected on a blacklist.
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Resolving DNS Blacklist Issues
Email blacklists are used by many email providers to automatically filter out messages originating from blacklisted addresses, so if you are not proactively monitoring your IP address, you could be unknowingly blacklisted for months. This means that any communications you send to customers or business partners may never be received. This may leave you wondering "is my email address blacklisted?"
The email blacklist is a database of IP addresses that have been flagged for sending spam or malicious and harmful email content. For example, when a company sends out an email, it goes through their ISP (Internet Service Provider). The provider will check that email or domain address against the list of domains and IPs in the blacklist. If the domain or IP is listed in the email blacklist, then it gets flagged as spam. For the email recipient, the email will show up in their junk or spam folder, or possibly rejected all together if they have anti-spam software or a specific email configuration set up specifically for spam emails.
How to Remove Your IP from an Email Blacklist
To remove your addresses from email blacklists you will need to identify which sites you are blacklisted on and contact these sites individually. Each site may have individual methods and protocols for removing your email or IP from the blacklist. For example, some websites may have a form you'll need to complete in order to remove your address from a list. Keep in mind that before you complete an email blacklist removal form you need to be sure you have resolved the initial cause of the blacklisting.
If you can, run security scans on all devices behind your firewall to identify whether there is a rogue agent sending spam messages. This can be caused by someone inadvertently downloading and running malware on a personal machine. It may also be possible that a recipient of a legitimate email marked the email as spam. This type of blacklist is harder to detect, but it is also the reason most companies do not send out mass email campaigns from their own domains and prefer to instead use a third-party mailing system.
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