nback.net
nback.net is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-10-23 and last crawled it on 2026-10-23. It resolves to 172.67.172.85. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Dual N-Back | Fun Brain Training & Working Memory Game
Play the free Dual N-Back memory game online. Improve your fluid intelligence and working memory with this fun and engaging cognitive training exercise.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-10-23 |
| Last crawled | 2026-10-23 |
| IPv4 | 172.67.172.85 |
| IPv6 | 2606:4700:3033::6815:5004 |
| Network | AS13335 Cloudflare, Inc. · California |
| Language | en |
| Server | cloudflare |