Domain Name System
Click on the red underlined text to get to the source
...
This document considers some areas that have been identified as
problems with the specification of the Domain Name System, and
proposes remedies for the defects identified. Eight separate issues
are considered:
...
...
Several problem areas in the Domain Name System specification
[RFC1034, ...
...
Occasionally it is assumed that the Domain Name System serves only
the purpose of mapping Internet host names ...
... Eastlake, D., Kaufman, C., "Domain Name System Security Extensions", RFC 2065(-> 2535(-> 4035prop | 4034prop | 4033prop)), January 1997. ...