Fedi.Tips@FediTips@social.growyourown.services
@yuvalne@tooot.im
You can discover your server address by checking your emails, everyone who signs up gets an email from their server 🙂
If necessary you could search the emails for "mastodon".
Niko Poikulainen@niko@social.nikopoikulainen.fi
@FediTips@social.growyourown.services @yuvalne@tooot.im Or, you can try to find it using web search engines. One possibility is to create a new account, use Mastodon's internal search, and migrate from account to another.