ml is the Internet country code top-level domain (ccTLD) for Mali.
Introduced 29 September 1993
Intended use Entities connected with Mali
Actual use Sees some use in Mali and for some websites about machine learning. Use is relatively rare elsewhere.
Registration restrictions Yes, for free domains only
The other abbreviations are simply website domains. FYI the “.ml” from the mail lemmy dev means Marxist-Leninist, because they are tankies.
How do we know that? Have they said so?