To reliably authorize a specific email provider to send emails on behalf of your domain, you should configure both SPF and DKIM records for your domain name.
While SPF records can be configured through the SPF Records section, configuring DKIM records requires a different approach.
No support for TXT DKIM records
InfinityFree’s free hosting nameservers do not support setting DKIM records directly. Additionally, free hosting does not support custom TXT DNS records, making it impossible to set u…
not possible here. best move nameservers back to hover.com , add all required records and point A record to Infinityfree server ip as shown in client area.