Can you open sh.zyns.com:81 from mainland China?
No.
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Access sh.zyns.com:81 with GreatFireVPN →2014first tested
1/1blocked · last 90 days
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Frequently asked questions
Is sh.zyns.com:81 blocked in mainland China right now?
As of the last test on 2026-07-01, sh.zyns.com:81 is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is sh.zyns.com:81 blocked in mainland China?
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Since when has sh.zyns.com:81 been blocked?
GreatFire has recorded interference with sh.zyns.com:81 from mainland China since 2014-11-12.
How can I access sh.zyns.com:81 from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like sh.zyns.com:81.
http://sh.zyns.com:81 · JSON