dnsfq.1 - indimail/indimail-mta GitHub Wiki
dnsfq - retrieve PTR record for a fqdn
dnsfq fqdn
dnsfq takes the given fqdn for a host and gets the IP, employs a DNS PTR lookup on the IP and displays the retreived records.
dnscname(1), dnsmxip(1), dnsptr(1), dnstxt(1).