To set DNS nameservers for your domain, you generally need to access the DNS management interface provided by your domain registrar or DNS hosting provider. The specific steps may vary depending on the platform or service you are using, but here is a general guide:

1. Identify your DNS nameservers: First, you need to know the nameservers you want to set for your domain. These nameservers are typically provided by your hosting provider, DNS service, or the organization responsible for managing your DNS.
2. Log in to your domain registrar or DNS hosting provider: Visit the website of the domain registrar or DNS hosting provider where your domain is registered. Enter your credentials to log in to your account.
3. Navigate to the DNS management section: Look for a section or menu related to DNS management, DNS settings, or domain management. The exact location and name of this section may vary based on the provider’s interface.
4. Locate the nameserver settings: Within the DNS management section, you should find an option to manage or update your nameservers. It may be labeled as “Nameservers,” “DNS servers,” or something similar.
5. Replace existing nameservers (if applicable): If there are pre-existing nameservers set for your domain, you may need to remove them or replace them with the new ones you want to set. Follow the instructions provided by your registrar or hosting provider to make the necessary changes.
6. Add or edit nameservers: If no nameservers are currently set for your domain, look for an option to add or edit nameservers. Enter the new nameserver details provided by your hosting provider or DNS service. You may need to provide the nameserver addresses or FQDNs (fully qualified domain names).
7. Save the changes: Once you have entered the new nameserver information, save the changes or update the nameserver settings.
8. Verify the changes: After saving the nameserver settings, it may take some time for the changes to propagate across the DNS system. You can use online DNS lookup tools or wait for a while to ensure that the nameserver changes have been applied successfully.

Remember that DNS propagation can take up to 24-48 hours, during which DNS changes may not be immediately visible to all DNS resolvers globally. However, in most cases, the changes will start reflecting within a few hours.

If you encounter any difficulties or are unsure about the process, it is recommended to reach out to your domain registrar or DNS hosting provider for specific instructions and support.