DNS server
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... is fairly easy to forge that, either by false cache information
injected in DNS servers or spammers running their own DNS with false
...
... One must not forget the increased amount of DNS queries which
might result in problems for the DNS server itself to cope with
the load. This itself can result in a denial of service attack
...
... the load. This itself can result in a denial of service attack
against the DNS server just by sending email to a site.
...
... DNS responses to effectively block
acceptance of mail from one or more origins. Because of this, one
should carefully check the DNS server in use, e.g. how it
verifies that incoming responses correspond to outstanding
queries ...
... spam to a site. Logging facilities must for example be able to handle
more logging (what happens when the logfiles fills the disk?). DNS
servers and authentication mechanisms must be able to stand the load
of more lookups ...