DNStricks

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From the DNS Server

Search & sort a subnet

grep '10\.0\.0\.' whatever.hosts | awk '{print $NF}' | sort -t . -k 4 -un

Get all non-reverse ZONES

grep zone /etc/named.conf | awk '{print $2}' | grep -v arpa | sed 's/"//g' > zones.txt

Get All reverse ZONES

grep zone /etc/named.conf | awk '{print $2}' | grep arpa | sed 's/"//g' > revs.txt

Get host records (A and CNAME)

dig AXFR whatever.com. | egrep -v "SOA|NS|MX|\;|_|^#"

Not on the DNS server