Is h3.my03.com:81 blocked in mainland China?

Can you open h3.my03.com:81 from mainland China?

N/A.

This domain doesn't resolve anywhere we test — including our control outside mainland China — so it appears inactive or unregistered rather than blocked.

2014first tested

5 d agolast tested

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Other tested URLs on my03.com

Blocking varies across my03.com: 8 blocked vs 2 accessible among tested hosts.

Each verdict covers the last 90 days of tests, as on that URL's own page.

Frequently asked questions

Is h3.my03.com:81 blocked in mainland China right now?

As of the last test on 2026-07-25, h3.my03.com:81 is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://h3.my03.com:81 · JSON