dig

Install dig package

Dig is part of package bind9-dnsutils.

$ apt-file list bind9-dnsutils
bind9-dnsutils: /usr/bin/delv             
bind9-dnsutils: /usr/bin/dig
bind9-dnsutils: /usr/bin/dnstap-read
bind9-dnsutils: /usr/bin/mdig
bind9-dnsutils: /usr/bin/nslookup
bind9-dnsutils: /usr/bin/nsupdate
bind9-dnsutils: /usr/share/doc/bind9-dnsutils/changelog.Debian.gz
bind9-dnsutils: /usr/share/doc/bind9-dnsutils/copyright
bind9-dnsutils: /usr/share/man/man1/delv.1.gz
bind9-dnsutils: /usr/share/man/man1/dig.1.gz
bind9-dnsutils: /usr/share/man/man1/dnstap-read.1.gz
bind9-dnsutils: /usr/share/man/man1/mdig.1.gz
bind9-dnsutils: /usr/share/man/man1/nslookup.1.gz
bind9-dnsutils: /usr/share/man/man1/nsupdate.1.gz
$ apt install bind9-dnsutils

Reverse lookup

This option sets simplified reverse lookups, for mapping addresses to names.

$ dig -x 54.239.28.85