Domain Registrar with DNS and Migration?

Is there a good domain registrar out there that offers DNS hosting and has an automated system to migrate all of your current DNS records to their hosting?

Namecheap has the services I’m looking for, but I’d have to manually bring over the DNS records for the 85 domains I am looking to move.

Since the DNS records are publicly available, it seems like it should be pretty simple to have a “maintain current DNS records” option as part of set-up for DNS for a domain. I don’t want to have to manually look up and set the records for each domain.

Perhaps I’m missing something obvious here – educate me in the comments.