• great DNS tools here
• How to close an 'open' DNS server like ours: http://member.dnsstuff.com/info/opendns.php
  • I did = allow-recursion {216.224.124.98;127.0.0.1;};= under 'Options' in /etc/named.conf
• Great info on load balancing via DNS: http://www.zytrax.com/books/dns/ch9/rr.html
• This looked very interesting but I didn't really understand all of it, other than my TTLs are probably not set right
• this article on redundant DNS server failover
• this article on tinydns / djbdns
• great SenderID tester

Notes if we do 'detect server down thing'

• Serial number must change!

-- MattWalsh - 04 Oct 2007