Re: Odd problem with DNS and IP change.

At 09:40 AM 2/28/2009, Andrei Brezan wrote:
Hello list,

I have a strange problem and I don't know what to relate it to. My ISP
changed my IP from (eg) 10.1.1.1 to 15.1.1.1. I have changed my zone
files to reflect that change.

"dig -t mx domain.com" results in mail.domain.com 3600 IN A 15.1.1.1
(the new ip). However when i try:

"ping mail.domain.com" it tries to get to 10.1.1.1 the old ip and gets
time to live exceeded fro an ip along the route. When i try to ping
domain.com it gets all ok as it pings the new ip. I've also tried dig
@(forwarders in named.conf) and they to got the correct mx dns entry for
domain.com.
In rc.conf i have hostname="mail.domain.com" (eg), i haven't changed
it, i'm thinking it's something related to hostid or hostuid but i don't
know where to search for this topic.
If anyone has a clue what to try or where to look upon this behavior
please shed some light.

Thank you.


Check /etc/hosts which is used before DNS.

-Derek

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