Error:
The total number of subdomains is capped at 50.
| Hostname | URL | Grade | Tested on |
|---|---|---|---|
| synthesia.io | https://www.synthesia.io/ | A | November 5th, 2026 20:00 |
| www.synthesia.io | https://www.synthesia.io/ | A | November 5th, 2026 20:14 |
| citadel.synthesia.io | https://hub.synthesia.io/oauth2/default/v1/authorize?client_id=0oa10r4g912TaajF6698&response_type=code&scope=openid+email+profile+groups&redirect_uri=https%3A%2F%2Fcitadel.synthesia.io%2F_auth%2Fcallback&state=edge.1ae59e31-de95-4e12-9237-792247ef1b8e&nonce=fd2b67a2-2702-4eb4-8352-be7230186b05&code_challenge=6KVEHOXcsPjjC6o4lLeOO5oU2GxtcE1i4NPkh4DCePA&code_challenge_method=S256 | A | November 5th, 2026 20:16 |
| share.synthesia.io | https://share.synthesia.io/ | A | November 5th, 2026 20:16 |
| link.synthesia.io | https://link.synthesia.io/login/?referrer=%2F | C | November 5th, 2026 20:19 |
The total number of subdomains is capped at 50.
| Hostname | URL | Grade | Tested on |
|---|---|---|---|
| synthesia.io | https://www.synthesia.io/ | F | November 5th, 2026 20:28 |
| www.synthesia.io | https://www.synthesia.io/ | F | November 5th, 2026 20:28 |
| citadel.synthesia.io | https://hub.synthesia.io/oauth2/default/v1/authorize?client_id=0oa10r4g912TaajF6698&response_type=code&scope=openid+email+profile+groups&redirect_uri=https%3A%2F%2Fcitadel.synthesia.io%2F_auth%2Fcallback&state=edge.2ae4b0ac-4f08-4c44-b8cd-709862248c6e&nonce=7bc0df4b-fd5f-4ab5-aad1-abbacc194fef&code_challenge=r3oss5HHb2Dc-PDxRbgh2JQ5nUMLTT6r0hzcvjDLpIA&code_challenge_method=S256 | B+ | November 5th, 2026 20:31 |
| share.synthesia.io | https://share.synthesia.io/ | A | November 5th, 2026 20:31 |
| link.synthesia.io | https://link.synthesia.io/login/?referrer=%2F | B | November 5th, 2026 20:31 |
The total number of subdomains is capped at 50.
| Hostname | URL | Protocol | Grade | Tested on |
|---|---|---|---|---|
| synthesia.io | https://synthesia.io 198.202.211.1:443 | HTTPS | A+ | November 5th, 2026 19:57 |
| www.synthesia.io | https://www.synthesia.io 198.202.211.1:443 | HTTPS | A+ | November 5th, 2026 20:12 |
| citadel.synthesia.io | https://citadel.synthesia.io 3.162.3.43:443 | HTTPS | A+ | November 5th, 2026 20:13 |
| share.synthesia.io | https://share.synthesia.io 3.161.213.64:443 | HTTPS | A+ | November 5th, 2026 20:13 |
| link.synthesia.io | https://link.synthesia.io 15.197.175.4:443 | HTTPS | C | November 5th, 2026 20:12 |
| Hostname | Grade | Tested on |
|---|---|---|
| synthesia.io | A- | November 5th, 2026 19:56 |
| Hostname | Tested on |
|---|---|
| synthesia.io | November 5th, 2026 19:55 |