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12a9aa7c62
This should be largely transparent, but it drastically improves performance and reduces memory foot-print when configuring large numbers domains of the form local=/adserver.com/ or local=/adserver.com/# Lookup times now grow as log-to-base-2 of the number of domains, rather than greater than linearly, as before. The change makes multiple addresses associated with a domain work address=/example.com/1.2.3.4 address=/example.com/5.6.7.8 It also handles multiple upstream servers for a domain better; using the same try/retry alogrithms as non domain-specific servers. This also applies to DNSSEC-generated queries. Finally, some of the oldest and gnarliest code in dnsmasq has had a significant clean-up. It's far from perfect, but it _is_ better.