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Intermittent incorrect DNS resolution?
- Subject: Intermittent incorrect DNS resolution?
- From: jabley at hopcount.ca (Joe Abley)
- Date: Wed, 16 Jan 2013 17:57:13 -0800
- In-reply-to: <[email protected]>
- References: <[email protected]> <CAL9jLaYnVc=OA=U3rFvGU3mh=15HSZAk3S1upCTAqP2CH_C7KA@mail.gmail.com> <[email protected]> <CAL9jLaa09prL6V6xBZ2yuXMLSsUK-VhWkGfc=H3-_52HS_hx+w@mail.gmail.com> <[email protected]>
On 2013-01-16, at 14:33, Erik Levinson <erik.levinson at uberflip.com> wrote:
> True...I did try 4.2.2.2 / 8.8.8.8 and some local ones here. All looked fine.
I sent queries from 270+ different locations for the domains you mentioned off-list and I didn't see any inconsistencies. The persistent host-caching/browser-caching theories seem like your best bet (or my 270+ locations weren't sufficiently diverse to catch a stale zone being served by an anycast authority server).
Joe