The documentation for djbdns covers a lot of it, including in particular descriptions of mistakes made by a lot of people (and software). https://cr.yp.to/djbd

The documentation for djbdns covers a lot of it, including in particular descriptions of mistakes made by a lot of people (and software). https://cr.yp.to/djbdns.html https://cr.yp.to/djbdns.html You can also go right to the source. https://www.ietf.org/rfc/rfc1035.txt https://www.ietf.org/rfc/rfc1035.txt