I'm trying to move my nameservers from Route53 to Cloudflare, but Route53 used text for values in A records, Cloudflare needs ipv4 and doesn't support that. If I ping

d196m4l8mszxfa.cloudfront.net

I get different IP addresses sometimes, so using those in Cloudflare is not an option too, because it might change. What should I do?

Try making it a CNAME