If you need to, you can use a free utility like namebench to find a fast DNS server.Īdditionally, you can retrieve DNS information by using the ‘nslookup’ command on a server, this will report back the remote servers DNS details, as well as your own primary DNS to resolve the other server: Just replace the latter interface text with the interface you are looking to identify DNS IP information for, typically it’s the same for every interface on the computer.Īssuming there are several DNS servers set within Mac OS X’s networking preferences, you will see a report of each DNS server in the order of their priority, looking something like this:įor those wondering, the top most DNS IP in that sample list is Google’s Public DNS, the next two are from OpenDNS, with the last being a local router. Note that I’m specifying “Wi-Fi” or ‘airport’ in these example strings because I primarily use a wireless connection, but you could also specify ethernet and bluetooth to get the DNS details for those interfaces. Getting DNS info from the command line in prior versions of OS X, like Mac OS X 10.6 Snow Leopard, 10.5, and before, use the following syntax instead: Replace Wi-Fi with ethernet or your interface of choice if otherwise. For password issues you must call or visit the Help Desk in person.This presumes you’re using wi-fi, which most of us do these days. Visit the ET&S Help Desk Support page to locate your local campus contact information or to submit an online technology support request. You have performed an nslookup on your Mac OS X computer. This value will vary depending on your location and connection to the network. In this example, the name server is 10.20.248.13. In addition the nslookup will also return the name server used to make the request. The nslookup results will display the actual IP address (or addresses) for the name queried.

Step 2 - From the Terminal prompt, enter 'nslookup to return the IP address for You may also do an nslookup for a non-UNH address such as Google. To open a terminal session, double-click on 'Terminal.app'. Terminal can be found by opening the Finder, select Applications and Utilities. Task: To perform an nslookup on a Mac OS X computer.

Get ip address mac terminal command