Looks like HN broke the URL after submitting. Let's try again:
https://ₛᵖ.ⓜ/
Here is the backup link:https://shkspr.mobi/blog/2018/11/domain-hacks-with-unusual-u...
https://ₛᵖ.ⓜ/
Here is the backup link:https://shkspr.mobi/blog/2018/11/domain-hacks-with-unusual-u...
HN seems to encode it as punycode when it shouldn’t; it skipped normalization.
Not that that works.