John Muller talks about redirects.

I’d usually try to keep redirects in place for as long as possible, at least for a year so it’s definitely been reprocessed a few times. In practice, they often remain in place for multiple years.

— 🍌 John 🍌 (@JohnMu) April 27, 2020

Usually if the domain registration drops, then you can’t do anything like redirects. This is one of the reasons why we recommend keeping domains registered for a longer time, even when moving.

— 🍌 John 🍌 (@JohnMu) April 22, 2020

Transcript:

“I’d usually try to keep redirects in place for as long as possible, at least for a year so it’s definitely been reprocessed a few times. In practice, they often remain in place for multiple years.”

“Usually if the domain registration drops, then you can’t do anything like redirects. This is one of the reasons why we recommend keeping domains registered for a longer time, even when moving.”