There are many Types of Blacklists among them Most Common Types of Blacklist are described Below :

IP Blacklist

IP Blacklist blocks specific IP addresses (and IP ranges), message senders or message recipients (local mailboxes) as determined in the Blacklists. The IP Blacklist supports both IP addresses and subnet definitions. Addresses on the sender/recipient Blacklist can be defined by the address, simple wild carded mask or Perl-compatible regular expression. However, the problem with using an IP Blacklist is that it may cut off legitimate users trying to access site or blog or prevent them from sending email to users.

DNS Blacklist

Domain Name Server (DNS) Black list is a list of IP addresses that are the source of unsolicited emails. By taking help of this list, system administrators can block unwanted domains. They refuse access to the server and prevent unwanted email messages. DNS Blacklists are usually maintained by anti-spam organizations or by individuals.

Spam Blacklist

Spam Blacklists are lists of mail servers or open relays known to be used by spammers to deliver unwanted email. By placing these lists in their mail transport agent's rules system, system administrators can block spam transmitted from these sources.

Email Blacklist
Email Black lists contain known mail servers and addresses used by spammers. With these lists in place, access to the server can be denied and unwanted email messages are discarded. However, your legitimate emails may also be blocked.

IP blockers & IP Blackholes

IP Black Hole lists are large repositories of IP addresses that are known to be spamming. These repositories use various reporting mechanisms ranging from human reporting to spam-trap email boxes to determine who is sending spam, and when a spammer is identified by IP or IP block, the spammer is added to the Black Hole list. Other ISPs and email providers can configure their email servers to query the Black Hole list any time a new email comes in.

When a new mail arrives at the server, prior to putting it into the recipient's mailbox, the server will examine the email, and trace its origin. Then it will ask the Black Hole list if this email came from a source that is a currently-know spammer. If the email does not originate from a source known to be spamming, it will be properly delivered into the recipient's email box. If the mail fails the test and is flagged as spam, the mail will not be delivered, but rather will be moved to a storage box for future examination by either the system administrator or the end-user.

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Blacklist Monitor Analyzer
Whitelist IP Address

Blacklisted IP, blocks specific IP addresses (and IP ranges), message senders or message recipients (local mailboxes). These blacklists (blocklists, blackhole lists, or DNSBL) are most commonly used by email receivers to screen out spam and other abusive emails flooding the Internet.

The best IP Blacklist use "honeypots" to detect new sources of abuse, and publish the source address within hours. Honeypots have addresses that are never used in a
legitimate email, but are posted on various websites and other locations where criminals typically "harvest" addresses. IP blacklists are most useful in efficiently blocking high-volume and persistent sources.

Every RBL Server has there own reasons and poicies to keep 1 ip in there databases. BUT herte we brings you some most common reason to get listed:

• Run dictionary attacks


• Mass mailings


• Spammers from IP's with no Reverse DNS


• Spammers from infected PC's (Dynamic or Generic Reverse DNS)


• Email Marketing Companies


• Compromised Servers


• And Many more...

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Whitelist IP Address

IP/Domain monitoring for Blacklist

"Short for Realtime Blackhole List (RBL) Or DNS-based Blackhole List "

(DNSBL) means that are used to distribute the addresses of computers or networks related to spamming. A DNSBL is list of IP addresses published through the Internet Domain Name Service in a particular format.

The DNSBL consists of a DNS based system containing lists of IP addresses whose owners refuse to stop the proliferation of spam whether this be by running their mail servers as open relays, or by allowing their dialup users free outbound access to port 25.

As subscribers to the DNSBL, ISPs and companies will know from which IP addresses to block traffic. Most traffic blocking occurs during the SMTP connection phase. The receiving end will check the DNSBL for the connecting IP address. If the IP address matches one on the list, then the connection gets dropped before accepting any traffic from the spammer.

Some ISPs, though, will choose to blackhole (or disallow) IP packets at their routers. The goal here is to block all IP traffic.

Blacklist-IP.Com with its Blacklist Monitor Tool offers to keep track of your IP addresses and inform you whenever your IP address ends up in the black list; let you know name of the black list and also the process of delisting.


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Blacklist Monitor Analyzer

Whitelist IP Address

IP/Domain monitoring for Blacklist

IP Blacklist is a database or list of IP addresses that should be blocked from connecting to a protected system.

These blacklists (blocklists, blackhole lists, or DNSBL) are most commonly used by email receivers to screen out spam and other abusive emails flooding the Internet. Blacklist-IP.Com allows you to manually check for listings on the most popular and widely used DNSBLs.

How do I find My IP is Blacklisted ?

There are a many spam cops on the internet who maintain anti-spam database. Mail servers, ISPs and bandwidth providers get blacklists from these databases and use them in their spam filters. Domains and IP addresses that are known to send spam emails are blacklisted immediately and added to the database. When a mail server finds that a mail comes from one of these blacklist sites, then the email will not be delivered to the recipient.

Just because your IP is blacklisted by a mail server, it doesn't mean that you can never reach that subscriber. Blacklisting simply means that your email won't be delivered directly. You can contact the mail server and request to whitelist your IP address. If the provider is able to trust that you are not a spammer, then your Blacklisted IP address will be removed from the anti-spam database and the changes will reflect globally in one or two days.

Many times, the IP address of your hosting provider may be in the blacklist and as a result, your emails may not be delivered. You may be wondering why my IP is blacklisted even though I pay the required amount. Your IP getting blacklisted is not your fault because spammers use IP addresses of other legitimate persons to conceal their own identity. Without even your knowledge, you may become a victim of such a spammer and your IP may get blacklisted.

If you want an answer to the question is my IP blacklisted, you have to do blacklist test. Some servers may allow your IP address while some others may blacklist it. You can know about those servers only when you compare your IP address against known blacklists. Since it is not possible for you to go and check every blacklist available, you should use a Blacklist Monitor Tool to Check Blacklist IP Address and Blacklist Domain.

Blacklist-IP.Com offers service to keep track of your IP addresses and inform you whenever your IP address ends up in the black list; let you know name of the black list and also the process of delisting.

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Whitelist IP Address

IP/Domain monitoring for Blacklist

Blacklist-IP.Com, an IP Blacklist Monitoring Service Provider, has launched a new Blacklist Monitor Tracker that aims to track an IP Blacklist of trustworthy email sources.

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Along with the Blacklist Monitor Tool - Blacklist-IP.Com, the authentic Information also launched which consists of RBL Servers – DNSBLs , IP Address, Lookup Domains etc. which will provide the broad new gateway of Internet Users across the World.


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This Blacklist Monitor Tool Used to Check the Blacklist IP Address, Blacklist Domain, DNS Blackhole List, Spamhaus Block List (SBL), Open-relay/Proxy server blacklists, IP Blackhole List , IP Blockers, Spam Email Blacklist, Reverse Lookup Domain etc.

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Features of Blacklist-IP.Com – Online Blacklist Monitor Service:

• IP checking whether it is blacklisted or not

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• Email notifications of listing / delisting

• Information about how to remove from Listed RBL Server

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Online Blacklist Monitor Tool

IP Blacklist Monitor

IP/Domain monitoring for Blacklist