systemdesignnotes.com
systemdesignnotes.com is a live English-language website hosted on Google LLC (AS15169) in the United States, served by Google. cl0q first saw it on 2026-10-22 and last crawled it on 2026-10-22. It resolves to 216.239.32.21 and has mail (MX) records set up.
How the site describes itself:
System Design Notes
Why System Design Questions?
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-10-22 |
| Last crawled | 2026-10-22 |
| IPv4 | 216.239.32.21 |
| IPv6 | 2001:4860:4802:34::15 |
| Network | AS15169 Google LLC · California |
| Mail (MX) | aspmx.l.google.com,alt1.aspmx.l.google.com,alt2.aspmx.l.google.com,alt3.aspmx.l.google.com,alt4.aspmx.l.google.com |
| Language | en-us |
| Server | Google Frontend |