On Dec 22, 2009, at 10:14 AM, Paul Whelan wrote: > On 21 Dec 2009 at 8:37, GrayHat wrote: > >> Yes, but w/o signing up for an account you won't be able >> to disable (sorry for the pun) the DNS wildcarding and >> your repeated queries may be seen as "abuse" so your >> DNS requests may start being dropped > > While it may not be so useful without registering,
Not so much that is it not useful, openDNS still has a very valid and very useful purpose. Before google came forward with their Public DNS announcement, I would suggest to all end user clients, (home users, non servers) that they use openDNS. Most ISP's are slow, and are page hijacking anyway. > you can still do > dnsbl queries. And for those who were having the DNS problems a > year or two back, it proved better than their current solution. I think I would rather have a slow query than an inaccurate one. From what I know, and have done considerable research into it, as I want to begin to run a large scale DNSBL... Everyone uses rbldnsd, caching is less than desirous because in almost all cases, we are talking about mail delivery. False positive and false negative needs to be fixed and solved as soon as possible, and those updated answers need to get out to the rest of the resolvers as fast as possible. I would be very surprised if near every Mail Server admin has at one time been in a BL on accident, inherited a dirty range, had a angry person submit you, or misconfigured joe jobbing or spam traps from clueless users who have yet to learn that web scraping is not a good thing. When you can not get email to all of aol, or all of hotmail, your users want it fixed as fast as possible. OpenDNS operates on the near opposite principle, which is to be as aggressive about caching response data as possible. Their cache is their asset, it is what makes them faster, it is what is bullet point #1 on their sales sheets. > That other DNS solutions exist and may be better for some folks is > perfectly true, but not every answer is applicable for everyone who > runs ASSP. Very true as well. The one truth about ASSP, and any MTA for that matter, sending side, or receiving side, is that you want accurate results for that point in time. openDNS can create a situation where stale results are more often the norm than the exception. If you can not, for whatever reasons, deploy your own DNS, there are plenty of other rr's out there, which do not alter DNS. -- Scott * If you contact me off list replace talklists@ with scott@ * ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Assp-test mailing list Assp-test@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/assp-test
