Run my own backup DNS server, ISP DNS not available
I find that my ISP, Time Warner has frequent periods where the DNS is down and I can't do anything. It returns within an hour or less. I wonder if I cannot run a backup DNS server on my Fedora 4 Linux box, which could defer to the Time Warner DNS for new host resolves, but would cache the ones I use most frequently so I could still surf when DNS from Time Warner is on the fritz.
I'm not sure how to describe this situation so my searches here and on Google have not been fruitful. Please shed any light to help me research this.