How to lookup a website's IP address on Mac OS (Optional) To also see the IPv6 addresses, repeat these steps with AAAA instead of A.The IP addresses are listed below the Non-authoritative answer heading.Type nslookup -q=A and hit to get the IPv4 addresses for.Open a command prompt by navigating to Start → 'Type here to search' → 'cmd' → Open.To check the server IP addresses for a domain name on Windows, follow these steps: How to lookup a website's IP address on Windows The sections below list the instructions for each operating system. Windows, Linux and Mac all have a different way of finding the IPv4 and IPv6 addresses. But how can you look up those IP addresses? That depends on the operating system you are using. These IP addresses are configured in the Domain Name System (DNS) as A and AAAA records. Once connected, it fetches the website's source code to display the page. It then looks up the IP address and connects to the server with this IP. For example, the website Facebook has, among others, the IP address 157.240.214.35 connected to the domain name When you enter a URL in your browser, it will first determine the domain name of that URL.

Every website has at least one IP address connected to its domain name.

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