When changing the DNS (Domain Name System) for a domain, several components need to be updated to ensure that the domain points to the correct DNS servers. Here are the key elements that typically need to be updated:
1. Domain Registrar: Log in to your domain registrar's website and access your domain management settings. Locate the DNS settings or nameservers section. Update the nameserver information to reflect the new DNS servers provided by your hosting provider or DNS service.
2. Hosting Provider: If your domain is associated with a hosting provider, you may need to update the DNS settings within your hosting account. This typically involves specifying the new DNS servers or updating the domain's DNS records within the hosting control panel.
3. DNS Records: If you have specific DNS records (such as A, CNAME, MX, TXT, etc.) configured for your domain, you should review and update them if necessary. Verify that the records point to the appropriate IP addresses or domain names based on your new DNS configuration.
4. Time to Live (TTL): The TTL value determines how long DNS information is cached by other DNS servers and devices. Before making the DNS change, consider reducing the TTL value for your domain to a lower value (e.g., 300 seconds or 5 minutes) to minimize the propagation time for the DNS changes to take effect.
5. Subdomains and DNS Changes: If you have subdomains associated with your domain, ensure that their DNS settings are updated accordingly. Each subdomain may have its own DNS configuration, and changes should be made for each of them.
6. Propagation Time: After making the DNS changes, keep in mind that DNS propagation can take some time. It usually takes a few hours but can sometimes take up to 24-48 hours for the changes to propagate worldwide. During this time, different DNS servers and ISPs will update their records to reflect the new DNS settings.
It's important to note that the specific steps and interfaces for making DNS changes may vary depending on your domain registrar, hosting provider, or DNS service. It's recommended to consult the support documentation or contact the respective service providers for detailed instructions specific to your situation.