Hello!
Since the DNS's of my ISP is constantly going down, I want to set up my own using BIND (except if you have any other recommendations). The problem is that all howtos I've found is based around having a domain, which I don't. Is this a prerequisite of running a DNS, or can you use a bogus domain (like youareamunch.kinlloyd which probably isn't already in use) or perhaps just your IP?
No, you can run BIND (named) without your own domain, just to resolve offsite FQNs that your local hosts need to resolve. Just run it and provide only the file that identifies root server (on my Debian system, /etc/bind/db.root). You do this by configuring named.conf to provide only that db file (as a "hint"), probably something like this:
// prime the server with knowledge of the root servers
zone "." {
type hint;
file "/etc/bind/db.root";
};If you have a significant number of hosts on your LAN, you might want to make this instance of BIND locally (on-LAN only) authoritative for a dummy domain that the hosts can use to find each other. (That's what I do here, for example.) In that case, the stuff you've seen about using BIND with real (registered) domains should guide you.
Another question: Do you recommend chrooting BIND?
I offer no recommendation, but I do not do so myself.
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