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switch from reversed zones to labelReversed in lmdb-backend
Migrate existing DNSSEC tables to InnoDB
GeoIP backend implementation
Merge pull request #1713 from mind04/getauth

switch from reversed zones to labelReversed in lmdb-backend
Merge pull request #1714 from mortenstevens/master

Migrate existing DNSSEC tables to InnoDB
fall back to central bind if reuseport bind fails; improves #1715
Merge pull request #1700 from cmouse/new-geobackend

First version of new geoipbackend
fix geobackend README url, thanks @sspans
revert: fixes PowerDNS/pdns/657 85a41ee7
get a fresh copy of the zone after reload
don't import supermaster ips from other accounts
fix notification for changed zones in bind backend
Merge pull request #1717 from mind04/bind

bind backend fixes
reload all lmdb backend threads
init script: support DAEMON_ARGS

Support additional command line parameters by sourcing
/etc/default/pdns and taking DAEMON_ARGS from there.
init script: ensure socket dir exists

This is an old change in Debian that is apparently necessary on some
(newer) systems where the socket dir might vanish on reboot.
Merge pull request #1710 from mind04/supermaster

don't import supermaster ips from other accounts
document udp6-queries, udp4-queries, add rd-queries, recursion-unanswered metrics & document. Closes #1400.
don't link the bindparser into the bindbackend, it causes double static initialization of s_di when loading as a dynmodule, which causes double static deinitialization, which causes crashes. Fixes #1690