General Data
You can visit a couple of websites to get a general idea on domain name stuff.
- https://ntldstats.com/
- https://namestat.org/s/newgtld-summary
- https://domainnamestat.com/statistics/overview
- https://research.domaintools.com/statistics/new-gtlds/
- https://domainnamestats.com/
It was because of email abuse and spam why this data becomes important because you may want to find out how to create the perfect spam filter to delete / route questionable TLD.