DNS-based Proxy/Spam/Abuse-blocking since 2006

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Latest information
2014-01-03 Master/secondary DNS-slaves awaits similar optimization
2014-01-03 Optimization of the old remotesubmit-script and parts of the webpage. DNS-statistics can now be found at Tornevall Networks statistics page
Read more about the optimization here
2014-01-01 Happy new year!
2013-06-30 opm.tornevall.org has been removed from the resolver due to the below circumstances and to free up a lot of memory on our secondaries. dnsbl.tornevall.org remains as subdomain
2013-06-29 Heavy load on resolvers may disturb connectivity to us.
2013-06-27 IP-addresses that is more than 365 days old has been cleaned out from our register
2013-02-02 Approximately 3 million rows deleted from database! Read more here
2012-06-06 Soapsubmit v2.0.2 supports individual removals for those who can't use the captcha (The wiki at https://dnsbl.tornevall.org/wiki/soapclient is updated)
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What does DNSBL mean?

A DNS-based Blackhole List (DNSBL, Real-time Blackhole List or RBL), is a means by which an Internet site may publish a list of IP addresses, in a format which can be easily queried by computer programs on the Internet. As the name suggests, the technology is built on top of the Internet DNS or Domain Name System. DNSBLs are chiefly used to publish lists of addresses linked to spamming. Most mail transport agent (mail server) software can be configured to reject or flag messages which have been sent from a site listed on one or more such lists. (Source)
We are regularly scanning new proxies that are reported to us and we're also trying to keep updated with the "Tor"-network proxies, a network that forgets that anonymousity can be a problem when we are speaking abuse.
For removal support - click here. Do not e-mail us about removal help.
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