fix bug: domain/ns NFKC problem
Merge remote-tracking branch 'cnnic/dev'
Merge pull request #250 from forumbyr/master

fix bug: domain/ns NFKC problem
update redirect section
Merge pull request #251 from forumbyr/master

update redirect section
concurrent query count limit: can choose not limit ,by conf 0 in prop
file
Merge pull request #252 from forumbyr/master

concurrent query count limit: can choose not limit ,by conf 0 in prop
Merge pull request #6 from cnnic/dev

Dev