- hostname=$(host $3) || exit 1
- # dhcphostname is set, get the PTR for the ip
- hostname=$(echo ${hostname} | awk '{ print substr($5, 0, length($5)-1) }')
+ hostname=$(busybox nslookup "$3" | awk '/Address 1: '$3'/ {print $4}')
+ [ -n "$hostname" ] || exit 1