Who owns spamhaus

Worried about users clicking on phishing emails and downloading malware? Users receiving business-compromising emails? Using our datasets throughout your infrastructure will protect your users. Need to identify phishing domains?

Want deeper insights on compromised internet infrastructures? Spamhaus is the trusted authority on IP and domain reputation data, with over two decades of experience. This experience, the quality and accuracy of data, alongside our robust infrastructure, is what sets us apart. Our data protects and provides insight across networks and email worldwide. We currently protect over three billion mailboxes daily. This saves on additional hardware costs.

They update in real time, protecting your email systems, networks, and users from the latest threats. You can also investigate incidents and compromised internet infrastructure utilizing our data. Our highly experienced team of researchers work on your behalf to detect threats from spam, malware, ransomware, botnets and phishing threats. The Spamhaus Project researches and manages the blocklists.

To request removal from one of the Spamhaus blocklists, please click on the button below. They have observed an explosion in the use of backdoor malware with nefarious operators hiding behind FastFlux. There's now a tool to test if your email servers are correctly configured to use the Spamhaus blocklists, called the Blocklist Tester. We're aware that it can take time to find the right use case and build the right application to meet its needs.

So, we've created a license to give developers access to the data without the day time limit attached to a trial. The developer license runs for six-month periods. Global cybersecurity software company, Red Sift, use the Spamhaus Intelligence API to free up time for their customers while providing important insight on why an IP is blocked.

Our Solutions IT and security teams consistently face multiple business challenges. Our Products Our products provide additional layers of security for networks and email. The name spamhaus , a pseudo-German expression, was coined by Linford for an Internet service provider , or other firm, which spams or knowingly provides service to spammers.

Spammers frequently respond to being listed with threats, legal action or denial-of-service attacks. The Spamhaus Project is responsible for compiling several very widely used anti-spam lists. Many internet service providers and email servers use the lists to reduce the amount of spam they accept.

The Spamhaus lists collectively protect over 1. The lists are offered as a free public service to low-volume mail server operators on the Internet. The Spamhaus Block List SBL [ 5 ] targets "verified spam sources including spammers, spam gangs and spam support services.

The PBL lists not only dynamic IP addresses but also static addresses that should not be sending email directly to third-party servers. Examples of such are an ISP 's core routers, corporate users required by policy to send their email via company servers, and unassigned IP addresses. It lists spam domains including spam payload URLs, spam sources and senders "right-hand side" , known spammers and spam gangs, and phish, virus and malware -related sites.

It later added a zone of "abused URL shortners", a common way spammers insert links into spam emails. The SWL is intended to allow mail servers to separate incoming email traffic into 3 categories: Good, Bad and Unknown. Only verified legitimate senders with clean reputations are approved for whitelisting and there are strict terms to keeping a Spamhaus Whitelist account. Only verified legitimate senders with clean reputations are approved for whitelisting and there are strict terms to keeping a whitelist account.

Spamhaus also provides two combined lists. There is a special version of ROKSO, available to Law Enforcement Agencies, containing data on hundreds of spam gangs, with evidence, logs and information on illegal activities of these gangs, too sensitive to publish in the public part of ROKSO.

As a small subset of the SBL, it does not include address ranges registered to ISPs and sublet to spammers, but only those network blocks wholly used by spammers. It is intended to be incorporated in firewalls and routing equipment to drop all network traffic to and from the listed blocks. The Spamhaus Project consists of a number of independent companies which focus on different aspects of Spamhaus anti-spam technology or provide services based around it.

At the core is The Spamhaus Project Ltd. Further companies include Spamhaus Logistics Corp. Spamhaus Technology Ltd. Spamhaus Research Corp. The Spamhaus Whitelist Co. Also there are several references on the Spamhaus website to The Spamhaus Foundation , [ 19 ] whose charter is "to assure the long-term security of The Spamhaus Project and its work". Spamhaus had the case moved from the state court to the U. Federal District Court for the Northern District of Illinois and asked to have the case dismissed for lack of jurisdiction.

Spamhaus subsequently announced that it would ignore the judgement because default judgements issued by U. Following the ruling in its favour, e filed a motion in Federal court to attempt to force ICANN to remove the domain records of Spamhaus until the default judgement had been satisfied. The court further ruled that removing Spamhaus's domain name registration was a remedy that was "too broad to be warranted in this case," because it would "cut off all lawful online activities of Spamhaus via its existing domain name, not just those that are in contravention" of the default judgment.

Kocoras concluded, "[w]hile we will not condone or tolerate noncompliance with a valid order of this court [i. The U. In January , e Insight LLC filed for bankruptcy and closed down, citing astronomical legal bills associated with this court case as the reason for its demise.

Both parties appealed, but e's case for increasing the damages was slammed by Judge Posner, "I have never seen such an incompetent presentation of a damages case," Posner said. In fact, the damages are probably zero. In June Spamhaus requested the national Domain registry of Austria , nic. In the Janet zones the first component of the zone is unchanged sbl, xbl, pbl or zen ; note that the deprecated combined zone "sbl-xbl" is not available and should normally be replaced by "zen".

There is no charge to organisations with a Janet connection for use of the Janet zones in dnsbl. For their own published zones in spamhaus. They may require heavy users to set up a transfer arrangement, for which their distribution contractors make a charge. Janet's view is that for most Janet organisations the likely benefit mainly through the substantial amount of Unsolicited Bulk E-mail rejected justifies the possible drawbacks, but each organisation must make its own choice.

You MUST take whatever precautions are necessary to prevent access through your network from outside Janet. Note that it is ordinary good practice to prevent all such recursive lookups from outside. Some networks may include DNS forwarders for internal use which are not themselves resolvers and are not the DNS clients known to the Janet nameservers.

It is the responsibility of the organisation operating such a forwarder to ensure that it is not available for use from outside Janet; again, normal good practice is to make such a forwarder accessible only from within your own network.

DNS deny lists are a well-established technique. To find whether an IP address is listed construct a special domain name from it, use an ordinary lookup for that domain name in the standard Domain Name Service DNS , and see whether or not the lookup query succeeds.

To look up an IPv4 address a. If the lookup succeeds, a. If the lookup fails, a. Although it is quite possible to carry out manual lookups, it is expected that a mail server will automatically check each IP address from which it receives an attempt to transfer mail, and will respond to the attempt in a manner set by the system administrator and depending on the result of the lookup.

The nameservers for those zones can be found from the DNS in the usual way; they are reachable from anywhere in Janet but not from outside. Janet organisations can test whether an individual IP address is in any or all of the Spamhaus lists by lookups in one or more of those zones.

Detailed descriptions are given in the Spamhaus Web pages, but in outline:. As well as simple success and failure of lookups, indicating only whether or not the address queried is present in the list, the address returned in the case of success gives information on the source of the data:.

Zen is the union of the three separate lists, and will succeed for an IP address included in any one or more of the three. It will then return one or more A Address records, each with one of the addresses above, indicating which of the component lists the queried address appears in.