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I've been making some updates to DNS records of a website that I administrate. Call it example.com.
Running host example.com
returns Host example.com not found: 3(NXDOMAIN)
. Naturally, ping
, curl
, and visiting the site in a browser also fail.
However, if I ssh to a different machine, all of these work as expected. My conclusion: My DNS is messed up.
To solve that, I tried dscacheutil -flushcache
(both with and without sudo), and also tried sudo killall -HUP mDNSResponder
, the flushing command new to Lion & Mtn Lion.
I confirmed with tail -f /var/log/system.log
that the killall
command purged the cache:
Nov 22 02:20:49 xxxxxxxxx mDNSResponder[12]: SIGHUP: Purge cache
However, my problem persists. What else can I try, or what else might be my problem?
Thanks, Kurt