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to be extendend

sudo apt update; sudo apt install -y tmux htop nmap dnsutils bind9-utils tcputils net-tools mtr traceroute whois;

curl http://checkip.dyndns.org/

or:

curl checkip.amazonaws.com

BIND9-ESV is provided by Debian standard repositories.
In some productive cases it might be desireable to use the newer and stable version of ISC BIND9.
So here is a way to achieve using latest stable.
Verifiy that lsb_release works and gpg is installed. Else install both, or at least gpg and enter your distro manually.

curl -sL https://bind.debian.net/bind/apt.gpg | gpg --dearmor | sudo tee /etc/apt/keyrings/bind9.gpg;
echo "deb [signed-by=/etc/apt/keyrings/bind9.gpg] https://bind.debian.net/bind/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/bind.list;
sudo apt update; sudo apt full-upgrade -y;

<sup>CAUTION: Script upgrades the BIND9 packages without confirmation!


Sources:</sup>
https://kb.isc.org/docs/aa-01540
https://kb.isc.org/docs/isc-packages-for-bind-9


Enjoy!