Change Network Utility’s whois server list

Link: Change Network Utility’s whois server list

If you use the Network Utility to do ‘whois’ lookups, but prefer to use a whois server that’s not listed in Apple’s choices, there’s no apparent way to add your servers to the displayed list within the pop-up list — so you end up typing in your preferred whois server each time you run the program. But with just a bit of preference editing, it’s actually quite easy to add your preferred choices. Here’s how to do it.