You can't really compare .com.ai, which nobody needs or asked for, to .com.au, which has been the main .au extension for years, in fact still is (.au entered general availability in 2022 but even now it's not the first choice, similar to .co.uk...
v...........com is registered for ten years, and g.........com just for a year.
They are using different nameservers and the first one has a mail server configured, while the other does not.
To me that looks like two different entities registered...
If you used who.is, I really don't see how you came to conclusion that godaddy was to blame. You were basically feeding your ideas to a private entity running who.is and they could to whatever they please with them (ethical aspects...
As a business, I'd prefer a paid .vn domain over a free .biz.vn, but free .id.vn domains for individuals might catch on.
Fun fact, they seem to have recently introduced .ai.vn and .io.vn subdomains as well.
Is that a Russian company? Because currently Z is heavily associated with Russian aggression on Ukraine. I don't know why otherwise they would consciously rebrand to something like that.
I rarely save card details anywhere, especially at small registrars. I always try to use payment intermediaries such as paypal. If you used your card at Epik, then remember they had a data breach including card details. Not sure about other...