Part of outlook.comMixed34 tested URLs
Can you open http://nam10.safelinks.protection.outlook.com from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
Same address over HTTPS:https://nam10.safelinks.protection.outlook.comNot blocked
The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
2026first tested
2 mo agolast tested
Loading…
Frequently asked questions
Is http://nam10.safelinks.protection.outlook.com blocked in mainland China right now?
As of the last test on 2026-08-15, http://nam10.safelinks.protection.outlook.com is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://nam10.safelinks.protection.outlook.com · JSON