local lookups ok, remote lookups broken.
i18rabbit
i18rabbit at cwazy.co.uk
Sat Dec 20 09:57:59 UTC 2003
i am confused as to who is at fault
for reverse DNS lookup failures.
i would sincerely value any help.
network:
A B C D
MyLocalGateway <-> MyISPsNetwork <-> Internet <-> RemoteServer
all lookups for A when using A's DNS work fine.
all lookups for A when using B's DNS work fine.
reverse lookups for A when at D fail when not
specifying any particular DNS server to use
in a host(1) command (this problem causes my email
from A to be rejected by mail servers that do
reverse DNS lookups - BAD problem).
reverse lookups for A when at D work fine only when
specifying B's DNS servers in a host(1) command.
there is no problem locating A in any browser/ftp/etc,
from any location, whether numeric or "human-readable"
forms are used when specifying A's location.
who's fault is it that reverse dns lookups for A
do not work from remote servers on the Internet?
Thank you.
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