Domain checker

[mattdm (Matthew Miller)]

@Stephen

For example when sharing configuration here on meta you may not wish to publicly share the address of your instance. It’s also pretty common to share examples of URL structure against generic or nonexistent domains.

This is bad practice, though. Those domains could exist and be something else — or maybe even worse could exist in the future. Examples should use example.com, example.org, or example.net. These are real, resolve, and are intended for this purpose.