Openprovider is a domain name registrar from the Netherlands. The company is ICANN-accredited and offers DNSSEC support. They sell a lot of top-level domains, offer multi-factor authentication and you can add multiple users to an account. It's not possible to see who changed what (audit log).
The renewal of a '.com' domain costs $15.58 per year.
Read more on the pricing page of the service.