Related Clues:
- 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
- Nonprofit website suff.