(DNSBL-style) DNS lookups
List, in table form, of blacklists.
Includes table with the name of the blacklists,
their lookup domains, the IP that is returned
in case of a match and a description.
Enter an IP address or a hostname to
find out which blacklists (if any) list it.
Abusive Hosts Blocking List (AHBL) - Publishes
a list of known abusive hosts (open relays,
open proxies, spam sources, DoS drones, and
more) in various forms including a DNSbl.
Identifies spam sources - whether intentional
or not - at the time they are sending spam.
Not before and not after.
Publishes black list of spammers and seeks
to promote online ethics.
Publishing a variety of DNS blocklists including
entire countries and ISP's.
of Internet Advertisers
To curb inappropriate advertising on usenet
newsgroups and via junk e-mail.
- Blacklists Compared
Weekly reports of DNS blacklists lookups of
IP addresses (and reverse DNS lookups) that
made SMTP connections to the San Diego Supercomputer
Center on that week. Useful for getting a
grasp of the size of the various blacklists.
Maintained by Jeff Makey.
- Spam Blacklist
As a public service, McFadden Associates maintains
a free DNSBL blacklist. Anyone sending SPAM
into their mail filters is automatically added
for a period of thirty days.
IRC Network (OPM.BLITZED.ORG)
A dnsbl of open proxies (HTTP, Socks and wingate),
populated by IRC connection scanners and spamtraps.
and Korean Net Blocks
Lists IP blocks of China and Korea for those
who want to avoid asian spam.
Offers background information on the worst
of the new Internet abusers.
Blocking List (CBL)
The CBL is a DNSBL which takes its source
data from very large spamtraps, and lists
IPs of open proxies and worms/viruses.
Server Boycott List (DSBL.org) This list
contains email servers which are non-secure
and potentially servers with dumb and/or malicious
users. It is purely composed of data DSBL
receives; DSBL should never send out data
Real-time Black List (DNSRBL)
DNSRBL publishes, via DNS, a list of IP addresses
that are either direct SPAM sources or Dial-up
(dynamic address) pools which wold never be
a source of non-SPAM eMail.
An IP-to-country DNS mapping service so you
can choose to block a specific country or
Dr. J?rgen Mash's DNS Database List Checker
Lists all DNSbl's (RBL's) and enables users
to make a query against all the lists.
Nederland (easynet.nl) Spamlists
easynet.nl (easynet Nederland), formerly Wirehub!
Internet, publishes several blacklists: Spamlist,
Dynablock dial-up database, Blackholes spam
source database, Open proxy database and Spam
Eye Ultimate Banned List
A manually updated and verified online database
of spammers. Provides email address and domain
List of open relays. Only one kind of test
is done to see if the mail is relayed or not.
Ten - Local Black Holes
Blacklist that includes dialup equivalent
ip addresses, individual spam sources, netblocks
that refse to remove spammers, bulk mailers
that don't require confirmed opt-in, output
servers from multi-stage open relay chains
and single stage open relays not listed on
List of emails and addresses of persons or
organizations known to spam.
RHS-style lists of domains which have sent
spam to MailPolice customers. Currently divided
into two lists, bulk senders - domains associated
with bulk mail - and pornography - domains
associated with sending and hosting pornographic
Dial-up User List (DUL)
An IP blacklist of dialup-using "stealth"
spammers and email trespassers.
Realtime Blackhole List (RBL)
Lists email sites which have refused to limit
their relaying, leaving the potential for
their use as spam gateways.
Relay Spam Stopper (RSS)
The RSS is a list of email relays which have
been used to send spam, for use in blocking
spam by blocking mail which have gone through
Just Another BlackList (NJABL.ORG)
Spam blocking blacklist of open relays,
dial-ups, and direct spam sources.
Known open relay list.
Relay Database (ORDB)
A validated database of mail servers that
permit third-party relay. Also in Francais,
Nederlands and Dansk.
A listing of sites offering spam-related filter
/ blackhole lists.
Blacklist of open relaying mail servers that
have recently transmitted spam.
The home for domains who don't play by the
rules. A number of lists (at present "dsn",
"abuse", "postmaster", "whois" and "ipwhois")
which contain domains or IP networks whose
administrators choose not to obey the RFC's,
the building block "rules" of the net.
South Korea Blocking List
Blocking list to filter out Korean spam.
& Open Relay Blocking System (SORBS)
Lists Open Relays and Open Proxies (Open HTTP
Proxy Servers and Open SOCKS Proxy Servers).
SORBS only scans a host when it attempts to
send mail to one of the feeder servers.
Lists open proxies. An open proxy of one
kind or another is bad because spammers may
use it to send out massive amounts of unsolicited
bulk e-mail spam.
Prevention Early Warning System (SPEWS)
SPEWS maintains a list of known spam sources
and spam friendly hosts so that e-mail can
be rejected from these problem sites.
Support Permanent Blocklist
A permanent blocklist of spam supporting web
hosts and ISPs.
of the Month
Makes examples of people who feel the need
to send unsolicited emails. Sample emails
and follow-up information.
Personal (DNSBL) list of abusive networks
that the author blocks from sending mail or
accessing his web servers.
- Blocking List Information
This list contains IP addresses which have
been reported to SpamCop as carriers of spam
(source of e-mail or verified, open relay).
Some of these reports now come from spamtraps
(email addresses used strictly to receive
A call for all internet users to turn the
spammers' own email addresses into spam bait.
Block List (SBL)
All IPs on the SBL belong to known spammers,
spam gangs, or spam support services. The
SBL includes IPs from both the ROKSO database
and IPs of spam services listed in the Spamhaus
Spamhaus Project Register of Known Spam Operations
The Spamhaus Project's Register Of Known Spam
Operations (ROKSO) Database. ROKSO collates
evidence on known hard-line spam outfits that
have been thrown off Internet Service Providers
over three times.
List of live spamware sites and related links.
List of known bulk email software regarded
- DNSBL Designed to Aleviate Spam -
Vox is a DNSBL based of received email headers
along with frequency on the phydiux.com network
(eXtreme spam Blocking List) Providers
that let users spam selwerd.nl, selwerd.cx,
flits.rug.nl and other spamtraps and ignore
reports, host spamvertized pages or pages
selling spamware get listed. Using xbl.selwerd.cx
risks missing a lot of legitimate e-mail.