$ ntpq -pn remote refid st t when poll reach delay offset jitter ============================================================================== +210.173.160.27 133.243.236.18 2 - 271 1024 377 27.802 -1.051 0.386 +210.173.160.57 133.243.236.19 2 - 265 1024 377 27.895 -0.597 0.617 *210.173.160.87 133.243.236.17 2 - 125 1024 377 28.168 -0.810 0.408