Thursday, January 04, 2007


Can ya dig it?

I was doing some research on DNS the other day, specifically on caching and TTL values. My current client has a DR site that needs to have functional names (e.g.,, as quickly as possible. We were first under the impression that it would take 48-72 hours for DNS changes to propogate. I did some research and found some good articles on the topic:I was also trying to query the DNS server for the TTL values, but was coming up short with the built-in nslookup. So I found a great little port of dig for Windows which works great. It also has some good info on DNS, caching, and TTL.

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