The user space command line tools from the latest version of BIND:
	delv, dig, host, nslookup, nsupdate

It also includes various dnssec related tools:
	dnssec-dsfromkey, dnssec-importkey, dnssec-keyfromlabel, dnssec-keygen,
	dnssec-revoke, dnssec-settime, dnssec-signzone, dnssec-verify

WWW: https://www.isc.org/bind/