How To Update DNS Nameservers at NameCheap.com
1. Open the NameCheap.com website and click on Sign In. It will show you a login form.
2. After a successful login, click on the Domain List option.
3. Under the domain list, You can see a list of your domains. In front of your domain, click on the Manage button.
4. Scroll down to the Nameservers option and select Custom DNS from the dropdown menu.
5. Enter your nameservers in the nameservers field and then click on the Save.