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 -17
Importance of the Time Stamp
nTSIG/SIG0 signs a complete DNS request / response with time stamp
uto prevent replay attacks
uÔseconds since epochÕ
u
nOperational problems when comparing times
uMake sure your local time zone is properly defined
udate -u  will give UTC time, easy to compare between the two systems
n
nUse NTP synchronization!!!