Registrar Criteria List
Cheap - cheap renewal,
free WHOIS protection records mask 0 hide private phone number/adddress from Whois registry
SSL Certificate Management Tools
DNS Management Tool
DDOS protection services?
good track record
NO Registrar lock - ease of transfer in & OUT
2FA
DDNS support
JAMstack bonus - github int
tech support
no ad spam to your email (or at least can turn off)
domain email - for appearances only/receiving - you will get flagged for spam 99%
unlimited subdomains
overkill with private email server