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Missing Chrome's 'Go to URL' feature
(sh.itjust.works)
A place to discuss the news and latest developments on the open-source browser Firefox
Example is a freaking TLD?
it's not a publicly registrable, but it's reserved by IETF/IANA for use on e.g. local networks or for documentation and is technically a valid tld.
https://en.m.wikipedia.org/wiki/.example
https://data.iana.org/TLD/tlds-alpha-by-domain.txt
Doesn't look like it, no.
this list doesn't include reserved TLDs