DNS resolution happens before every connection your users make. Even a 50ms improvement in DNS lookup time compounds across every page load, API call, and asset request. Here are five proven strategies to speed things up:

  1. Use a low TTL during migrations, then raise it back to 3600s for stability.
  2. Enable DNS caching on your edge nodes.
  3. Choose authoritative nameservers geographically close to your users.
  4. Reduce the number of unique hostnames per page.
  5. Pre-fetch DNS for third-party domains using dns-prefetch hints.