Certain URL ending

DOT-NET

This three-letter suffix follows the dot in web addresses often used by tech companies and networks. Think of it as the internet’s shorter alternative to ".com.

The clue "Certain URL ending" refers to the last part of a web address, like .com or .org. Here, "DOT-NET" is the answer because it’s a common top-level domain (the ".net" part) spelled out with "DOT" representing the period. The hyphen in the answer is just for crossword formatting—it’s pronounced as one word in real use. Think of it as the internet’s version of a neighborhood name.