Stopping spam at the source since the year 2000.
0spam.fusionzero.com DNSBL | Spam source IP listings.
0spam-n.fusionzero.com DNSBL | Spam Source Networks, high volume of spam trap hits result in network listings.
Any time spam is sent to our spam traps, an IP will be listed in the 0spam.fusionzero.com dnsbl with the data code of 127.0.0.#, when spam is sent from multiple IPs within a class C range to our spam traps the entire class C range will be listed with a 127.0.#.0 data code which is the maximum listing size.
How to use the "Zero Spam Project" DNSBL for free(limit of 300 requests per second):
How to use the "Zero Spam Project" URL-DBL for free(limit of 300 requests per second):
How to use the "Zero Spam Project" DNS-Whitelist for free(limit of 300 requests per second):
The 0spamtrust.fusionzero.com lists IP's for trusted senders. Be sure to only place this in your mail server white list configuration or you will have lots of issues.
High traffic Usage
If you think your servers periodically go over 300 requests per second you can still use our service, but be aware our servers will ignore the requesting IP for a period each time requests exceed 300 per second and your servers will not be protected using the "Zero Spam Project" service during that time.
If you operate high traffic mail server(s) and consistently exceed 300 request per second limit or want access to our professional dnsbl services please contact us by selecting "Service Request" in the form to the right to request unrestricted access to our dnsbl servers for the best anti-spam results.
Premium access in access of greater than 300 query requests/second is available for for a monthly fee of $100 per 1000/second.
Your computer/server or a previous user of this IP sent spam to a trap. Please scan your computer/server for malicious software and verify that senders from this IP are not using poor sending practices.
Listed with Data result 127.0.0.#
Listed with Data result 127.0.#.0
# Codes are as follows: (ie. General spam single IP result 127.0.0.1 )
Computer(s) and/or server(s) within your IP range have sent spam to our traps.
Most listing will be single IP listings(127.0.0.#) however when spam from a class C IP range hits a certian threshold a full class C block occurs. The following is outlined steps to prevent further spam which you should follow for removal.
Removal - For reporting a fix on your server and requesting it be removed from our black listing service.You must provide an explanation of what has been done to make sure we do not receive reports of spam from your IP Address/Range in the future. IMPORTANT!Other - Other reports that do not apply to any of the above or if you would like to support the 0spam project.
You should verify that your system is not compromised or open to relay.
You should Check your IP with other black lists at the complete DNSBL check.
Verify that your dns records are setup properly, an example of a proper dns report should look like this.
Service Request - 0spam provides premium anti-spam services, please use this option to request premium anti-spam.