Ask HN: Subdomains you don't want your user to have

2 pointsby sandipagr16 ปีที่แล้ว2 comments

For my web app, each user get their subdomains. Are there any list of subdomains that you want to keep for yourself and not have your user to register?

Example. blog, mail, www (duh!) ...

3 comments

mooism216 ปีที่แล้ว

Anything listed in /etc/services.

All 2 letter subdomains (national subdomains), and thus all 1 letter subdomains for consistency.

jcr16 ปีที่แล้ว

m.example.com --mobile

ns?.example.com --name servers

ftp.example.com --FTP

one01010116 ปีที่แล้ว