Related Clues:

• Edu cousin
• E-mail address suffix
• Ending of some URLs
• URL tag
• Web address ending, perhaps
• Internet address ending, typically
• U.R.L. ender
• End of some Web addresses
• Web-address piece
• Pt. of NATO
• Dot follower, perhaps
• Not .edu or .com
• Pt. of 5-Across
• Certain URL ending
• It might follow a dot