Changed
Context
Migrate andrewsclasses.com site to Hetzner.
Subdomains: calendar, portfolio, score. (no longer needed).
TODO
Configure d10.andrewsclasses.com to send mail via mail@andrewsclasses.com.
Done
Backup A2 DNS records. Saved in hosting repo private dir.
Added A record to A2 for the subdomain on Hetzner.
Setup d10.andrewsclasses.com.
Move www.andrewsclasses.com to Hetzner.