Internernal view is answering to external ping
jw354 at cornell.edu
Fri Aug 2 18:21:02 UTC 2013
Many use ping to check DNS issues but doing so brings in
another factor: the client's os/resolver/caching.
The 'dig' utility aims to work around this. If 'dig'
(to the DNS server's numeric address) and 'ping' DNS resolutions
differ, you have good evidence it is a client issue.
On the other hand if both give the same unwanted answer,
you have evidence it is a server configuration issue.
Cornell University IT
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