I am having a weird problem. All of a sudden my DNS (which is acting as a secondary) is no longer resolving a particular domain name. The primary has the domain set up, but the secondary returns SERVFAIL. I haven't changed any settings - it all of a sudden started failing. Is there a way to clear the cache or something?
Update... it started working all of a sudden. I went and deleted the zone file and restarted the server. But can anyone give me an idea of what might have happened? Is there some cache that got corrupted?
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