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# detect dns query failure

 template: dns_query_time_query_time
       on: dns_query_time.query_time
    class: Latency
     type: DNS
component: DNS
   lookup: average -10s unaligned foreach *
    units: ms
    every: 10s
     warn: $this == nan
    delay: up 20s down 5m multiplier 1.5 max 1h
     info: average DNS query round trip time over the last 10 seconds
       to: sysadmin