awk '$2 ~ /query/ && $5 ~ /^1$/ {freq[$6]++} END {for (x in freq) {print freq[x], x}}' /service/your-dnscache/log/main/@* | sort -rn 

Update root domains 
# mv /etc/dnsroots.global /etc/dnsroot.global.old 
# dnsip `dnsqr ns . | awk '/answer:/ { print $5; }' |sort` \ 
> /etc/dnsroots.global 
# cp /etc/dnsroots.global /service/dnscache/root/servers/@ 
# svc -du /service/dnscache 

CLEAR FAULTY DNSCACHE 
svc -t /service/dnscache 

DIG COMMANDS 
dig @ns2.nserver.co.za 1pricemobile.co.za