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I have an app hosted on Heroku and I use Zerigo DNS. In Zerigo's statistics page I see that over the course of a month the DNS queries are on average 1500/day. Then, all of a sudden over the last week they spiked up to 115,000 in a day for a few days.

I can't find any information regarding this. Is this a DNS attack? Should I be worried?

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migrated from stackoverflow.com Dec 9 '11 at 1:05

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Did your hits go up? –  ceejayoz Dec 9 '11 at 3:30

1 Answer 1

A mere 115k DNS queries in a day does not constitute an "attack".

If the extra DNS traffic doesn't affect your bill then don't worry about it.

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where is it came from ? –  Hanan N. Dec 14 '11 at 16:21

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