Error:
The total number of subdomains is capped at 50.
| Hostname | URL | Grade | Tested on |
|---|---|---|---|
| www.notion.com | https://www.notion.com/ | A | November 5th, 2026 18:58 |
| app.notion.com | https://app.notion.com/unsupported-browser.html | A+ | November 5th, 2026 18:58 |
| faces.notion.com | https://faces.notion.com/?face=s4e54m31n68h198a0y8b7 | A | November 5th, 2026 18:58 |
| calendar.notion.com | https://app.notion.com/unsupported-browser.html | A+ | November 5th, 2026 18:58 |
| api.notion.com | https://www.notion.com/ | A | November 5th, 2026 18:59 |
The total number of subdomains is capped at 50.
| Hostname | URL | Grade | Tested on |
|---|---|---|---|
| notion.com | https://www.notion.com/ | F | November 5th, 2026 19:47 |
| www.notion.com | https://www.notion.com/ | F | November 5th, 2026 19:46 |
| app.notion.com | https://app.notion.com/unsupported-browser.html | A | November 5th, 2026 19:46 |
| faces.notion.com | https://faces.notion.com/?face=s4e15y0b25n63m78h113a0 | A | November 5th, 2026 19:46 |
| calendar.notion.com | https://app.notion.com/unsupported-browser.html | B- | November 5th, 2026 19:46 |
The total number of subdomains is capped at 50.
| Hostname | URL | Protocol | Grade | Tested on |
|---|---|---|---|---|
| notion.com | https://notion.com 208.103.161.2:443 | HTTPS | A+ | November 5th, 2026 18:52 |
| www.notion.com | https://www.notion.com 208.103.161.17:443 | HTTPS | A+ | November 5th, 2026 18:58 |
| app.notion.com | https://app.notion.com 208.103.161.1:443 | HTTPS | A+ | November 5th, 2026 18:57 |
| faces.notion.com | https://faces.notion.com 208.103.161.16:443 | HTTPS | A+ | November 5th, 2026 18:57 |
| calendar.notion.com | https://calendar.notion.com 208.103.161.1:443 | HTTPS | A+ | November 5th, 2026 18:57 |
| Hostname | Grade | Tested on |
|---|---|---|
| notion.com | A | November 5th, 2026 18:52 |
| Hostname | Tested on |
|---|---|
| notion.com | November 5th, 2026 18:51 |