dnsutils: dig, nslookup udns-utils: dnsget, rblcheck adns-tools: adnsheloex, adnshost, adnslogres, adnsresfilter avahi-utils: avahi-browse, avahi-browse-domains mdns-scan: mdns-scan ldnsutils: drill, ldns-mx, ldns-chaos, ldns-walk, ldns-verify dns-browse: dns_browse, dns_tree fpdns: fpdns echoping: echoping dnstop: dnstop dnssec-tools: dnspktflow, mapper, donuts dnstracer: dnstracer dnswalk: dnswalk unbound-host: unbound-host