This is why it’s always better to get some real world testing done, rather than third-party tools. Ask people of whom you know are in various locations around the world to see how fast things are (and if they’re not working at all, that’ll become evident right away). Get data from the grindstone through other people if you can’t get it on your own (e.g. if you’re a small team in only one location).
DNS is a fickle bitch, but it’s also one that is the easiest to take care of before launch: just wait. (though if after 3 days it’s still not working, you messed it up)
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This is why it’s always better to get some real world testing done, rather than third-party tools. Ask people of whom you know are in various locations around the world to see how fast things are (and if they’re not working at all, that’ll become evident right away). Get data from the grindstone through other people if you can’t get it on your own (e.g. if you’re a small team in only one location).
DNS is a fickle bitch, but it’s also one that is the easiest to take care of before launch: just wait. (though if after 3 days it’s still not working, you messed it up)