tree 103d816de34cbd865709ca22a8d0d4f3a1665817
parent 00ab4eb0db54ba36176cb0897cdc5f23f7ade64e
author Robert Greenwalt <rgreenwalt@google.com> 1357589406 -0800
committer Robert Greenwalt <rgreenwalt@google.com> 1357778193 -0800

Cache negative DNS results.

Find the TTL for the negative results using the minimum of
the SOA records TTL or the MINIMUM-TTL field (RFC-2308).

bug:5926539
Change-Id: I6d39c9fb558afcb7a4a5bc014d97dab4a85c0d4f