在 Mastodon 官網登記的實例，真的都是有額外的技術站務的嗎？
https://joinmastodon.org/servers

All Mastodon servers we link to from our server picker commit to the following:

3. At least one other person with emergency access to the server infrastructure

Various circumstances can prevent the original owner of the Mastodon server from answering technical emergencies. For this reason, more than one person must have that capability.