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I'd be worried about all of that too, if I was the owner of the site but I'm not

I'm not worried about the TLD, I'm just wondering why did the default URL got changed?

I believe you should leave the sitemap as it is for now. and Work on improving the quality of your website; The Pages, Design, Link Structure, URLs, Content... I mean everything

Improve the quality score of your pages and your rankings will surely rise again

I agree with Martijin and Mat

It's jsut a scheme to sell the tool more, and nothing more than that. I wouldn't use the tool as it goes against the Guidelines

Yes I agree to that, but the I access it from Pakistan and all blogs open with .Com (,they always have). And we didn't change our location neither me, nor my friend.

1. We didn't use and IP changer while viewing and creating the blog

2. We didn't actually move. it just changed, that's confusing