Check multiple IP address range in DNS blacklist zones
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  Insert start and end IP address range then click blacklist check
maximum 255 IP address
 
Start IP address range  
End IP address range  
Email address (optional)  





Start IP address : Start of IP address range to be checked in DNS blacklist

End IP address : End of IP address range to be checked in DNS blacklist

Email address : Email address that will be notified for the blacklist check report when completed usually takes less than 1 minute.

* Maximum number of IPs to scan is class C subnet (255 IP address)

         

         

Blchecktool.com is used to check IP address range in DNS blacklist database (rbl) and find if any IP address is registered as a spam source in DNS blacklist database, because e-mails may be rejected and bounced by recipients if source email server IP address is registered as spam source.

 

E-mail servers administrators should be aware for this issue to avoid losing business emails for their organizations and also they should use anti-spam software to eliminate any spam e-mails from going out from their servers.

 

In case of accidently IP registered as spam source then e-mail administrators should remove IP address from DNS blacklist and eliminate the cause of this issue from their side.

 

     

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