In message <51626CF9.1040109@phyxia.net>, Tom Laermans writes:
I've continued to update my dataset originally posted about two weeks ago. Please take a moment and review your CIDRs which may be running an open resolver.
I've exposed one additional bit in the user-interface that may be helpful. Some DNS servers wil l respond with RCODE=0 (OK) but not provide recursion. nearly 90% of the servers in the database
On 7/04/2013 19:46, Jared Mauch wrote: provide recursion. What is the rationale behind listing servers not providing recursion on a list of open resolvers?
As far as I know, responding either NOERROR or REFUSED produces packets of the same size.
Tom
NOERROR can be a referral. -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: marka@isc.org