Today, the team behind the SURBL domain blaclists announced a new, experimental blocking list: xs.surbl.org.
As announced on the SURBL-Announce list: "An experimental source of some snowshoe and pill domains is now being published in xs.surbl.org. SURBL considers this feed to be experimental and would very much welcome feedback about it, particularly about any false positives. Does anyone know anyone who actually wants to receive snowshoe messages?"
You can read the entire announcement here.
All about DNSBLs, aka blocklists/blacklists // Since 2001 // Published by Al Iverson
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Status of dnsbl.karmasphere.com: SHUTTING DOWN
As messaged to the Karmasphere-Users and Karmasphere-Announce mailing lists, the Karmasphere Reputation Services data feeds are being retired. This means that the associated blocking list(s), including the karmasphere.email-sender.dnsbl.karmasphere.com DNSBL zone, and any other DNSBL/DNSWL zones under karmasphere.com. It is unclear to the author if karmasphere.org is similarly affected.
Karmasphere has indicated that the feed service will be discontinued on November 16, 2009. It's very important that all Karmasphere-using mail administrators remove any Karmasphere-hosted DNSBLs from their configuration before that date, else inbound receipt of legitimate email messages could be delayed or otherwise impacted.
For more information, click on over to Spam Resource to read a copy of the Karmasphere notice.
Karmasphere has indicated that the feed service will be discontinued on November 16, 2009. It's very important that all Karmasphere-using mail administrators remove any Karmasphere-hosted DNSBLs from their configuration before that date, else inbound receipt of legitimate email messages could be delayed or otherwise impacted.
For more information, click on over to Spam Resource to read a copy of the Karmasphere notice.
Status of rbl.cluecentral.net: DEAD
The rbl.cluecentral.net DNSBLs were created in 2001 or 2002 by Sabri Berisha. The goal: To list "all known assigned IPv4 address space, by originating AS and by country. [This is based on] a full routing view is extracted daily from a router in the default free zone. The AS->country mapping is done via the statistics which are being provided by the four RIR's, ARIN, APNIC, LACNIC and RIPE."
Today, the website warns that the rbl.cluecentral.net service is closed. Sabri notes that "[it has become] more and more difficult and time-consuming to maintain a trustworthy list I started to notice more and more errors. The list is no longer of the quality needed to use in a production environment."
The website warns that if DNS queries continue at a high level, the DNS servers are likely to be configured in a way that will cause 100% of inbound mail attempts to be rejected, for all mail servers still using rbl.cluecentral.net. This makes it imperative that you remove any rbl.cluecentral.net zones from your mail server configuration, as soon as possible.
Today, the website warns that the rbl.cluecentral.net service is closed. Sabri notes that "[it has become] more and more difficult and time-consuming to maintain a trustworthy list I started to notice more and more errors. The list is no longer of the quality needed to use in a production environment."
The website warns that if DNS queries continue at a high level, the DNS servers are likely to be configured in a way that will cause 100% of inbound mail attempts to be rejected, for all mail servers still using rbl.cluecentral.net. This makes it imperative that you remove any rbl.cluecentral.net zones from your mail server configuration, as soon as possible.
Status of blackholes.us: DEAD
Created by Matthew Evans in 2002, the goal of the blackholes.us site was "to create (yet more) DNS blocklists of spammers, spam supporting ISPs, spamware hosts, dialup networks, and other notorious email abusers originating in the United States." Matthew published many different DNSBL zones, listing various countries, ISPs, netblocks, etc.
Status of vox.schpider.com: DEAD
Scott Glassbrook writes: "I ran a dnsbl, vox.schpider.com many many years ago. I stopped the DNSBL back in June of 2006, and shut down the server it was running on.
"Since that time, all queries to vox.schpider.com have timed out. I made an attempt to bring the domain name back up in 2008, only to find that people are still trying to query the domain name. [...] Because of that, I see no other option than to start returning positives for *any* query issued to vox.schpider.com, beginning 10/16/2009. If you happen to be trying to use a dead DNSBL, please update your mail server configuration."
Scott indicates that random mail administrators are still "pounding the hell" out of his DNSBL hundreds fo times per second, all day and all night, ever day. Not cool.
If you're still querying this DNSBL, it's important that you immediately remove it from your mail server configuration. As of October 16th, use of this DNSBL will result in you rejecting 100% of your inbound email.
"Since that time, all queries to vox.schpider.com have timed out. I made an attempt to bring the domain name back up in 2008, only to find that people are still trying to query the domain name. [...] Because of that, I see no other option than to start returning positives for *any* query issued to vox.schpider.com, beginning 10/16/2009. If you happen to be trying to use a dead DNSBL, please update your mail server configuration."
Scott indicates that random mail administrators are still "pounding the hell" out of his DNSBL hundreds fo times per second, all day and all night, ever day. Not cool.
If you're still querying this DNSBL, it's important that you immediately remove it from your mail server configuration. As of October 16th, use of this DNSBL will result in you rejecting 100% of your inbound email.
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