DNS Time to Live – What It Is and Why It Matters When Moving a WordPress Site
When I recently moved a WordPress website to a new host, I updated the DNS A record to point to the new server. Everything on the backend was ready, but the live site didn’t switch over immediately. Why? Because the DNS Time to Live (TTL) was set to 86400 seconds—that’s a full 24 hours. If you’ve ever wondered how long DNS changes take to update, TTL is the reason.