Re:Benchmarking DNS response times of TLDs
by thrwaway69 on Friday January 10, 2020 @06:52AM
(#22010332)
.io doesn't have a good history though outside of this - https://hn.algolia.com/?query=io%20domain&sort=byPopularity&...
It's also famously ethically dubious:
https://gigaom.com/2014/06/30/the-dark-side-of-io-how-the-u-...
I find this a bit hard to believe without more people justifying or backing this work up.
So yeah, don't worry about your TLD. .io is perfectly fine and companies and people internationally use it.