Package: unbound

"unbound" package binaries on CentOS:

/usr/sbin/unbound /usr/sbin/unbound-checkconf /usr/sbin/unbound-control /usr/sbin/unbound-control-setup /usr/sbin/unbound-host /usr/sbin/unbound-streamtcp

You may install this package on CentOS with yum install unbound

"unbound" package binaries on Debian:

/usr/sbin/unbound-checkconf /usr/sbin/unbound-control /usr/sbin/unbound-control-setup /usr/sbin/unbound

You may install this package on Debian with apt-get install unbound