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After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
Having the same issue and just spoke with Godaddy who said it's not a concern and that what's happening is Moz's software is pinging the client's server too many times within a given time period, so Godaddy's system is temporarily blocking Moz's IP, which causes the error. The do not ever, according to this rep, block Google's services that hit the server.