Issues with the DKIM Record

Hi, I was trying to add dkim key for my domain
That’s the dkim key dkim-fs - Pastebin.com

But after adding that https://prnt.sc/1kasd66

When check it here to see if it’s working it’s showing errors

errors: https://prnt.sc/1katmay

if anything is wrong with my dkim key; please share the correct one here https://pastebin.com/