Introduction: The Phonebook Queriers
If you want to know the IP address of a website, you don't use a browser. You use a DNS query tool. Historically, Windows and Linux users relied on nslookup. However, the modern standard for deep DNS analysis on Linux is dig (Domain Information Groper).
Why 'dig' is Superior
While `nslookup` provides a simplified answer, `dig` provides the exact, verbose response from the DNS server identical to how other computers see it. By typing dig google.com A, you can see the precise IP address, the 'Time to Live' (TTL), and exactly which root server provided the answer. It is indispensable for fixing broken cloud domains.
Conclusion
Mastering `dig` allows you to see the invisible glue that holds domain names and IP addresses together. Perform a DNS query here.