DNS is a conversation happening constantly beneath every website visit. Nslookup lets you listen in—asking DNS servers directly what they know about any domain.
Dig shows you the entire DNS conversation—not just the answer, but who answered, how long it took, and how long you can trust it. The essential tool for understanding what's actually happening with DNS.
Two tools that query DNS, two philosophies of what help means. One gives you the answer. The other shows you the conversation.
The host command makes DNS decisions for you—showing exactly what you probably wanted without the noise. Fast, opinionated, and usually right.
DNS changes don't propagate—cached records just expire. Here's how to verify your changes have spread, why some servers update faster than others, and what to do when the old values won't die.
When DNS works for you but not for users across the world, you need to see what they see. Online DNS tools query from dozens of global locations simultaneously, revealing the distributed reality of DNS propagation.
此頁面對您有幫助嗎？