[dns-operations] Test on Priming behivor

Davey Song (宋林健) ljsong at biigroup.cn
Mon Dec 22 11:04:47 UTC 2014

Hi folks,

I am doing a test on priming exchange from different DNS software’s and
find something weird. BIND(v9.8.1, v9.9.4, v9.10.1 ) would send NS query and
a query simultaneously rather than wait until NS query get answered.
PowerDNS(v3.3) will not do any NS query but query base on the content in
hint file when root-hint is configured. Does anyone know any consideration
or risk of these implementation?




Davey Song 宋林健
Technical Manager 
BII Group
Telephone: 86+13810106659


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