nanog mailing list archives

Re: Intermittent incorrect DNS resolution?


From: Christopher Morrow <morrowc.lists () gmail com>
Date: Wed, 16 Jan 2013 17:13:10 -0500

On Wed, Jan 16, 2013 at 5:00 PM, Erik Levinson
<erik.levinson () uberflip com> wrote:
Any ideas? Can folks try resolving eriktest.uberflip.com and post
here with details only if it resolves to an IP starting with 76.9 (old IPs)?



 for d in $(seq 1 1000); do dig @pdns01.domaincontrol.com.
eriktest.uberflip.com >> /tmp/tst ; dig @pdns02.domaincontrol.com.
eriktest.uberflip.com >> /tmp/tst ; dig @ns5.dnsmadeeasy.com.
eriktest.uberflip.com >> /tmp/tst ; dig @ns6.dnsmadeeasy.com.
eriktest.uberflip.com >> /tmp/tst; dig @ns7.dnsmadeeasy.com.
eriktest.uberflip.com >> /tmp/tst ; done

you tried something like this already I assume?


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