Is cubmail.cc.columbia.edu blocked in mainland China?

Can you open cubmail.cc.columbia.edu 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.

2015first tested

4 mo agolast tested

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Other tested URLs on columbia.edu

Blocking varies across columbia.edu: 3 blocked vs 34 accessible among tested hosts.

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

Frequently asked questions

Is cubmail.cc.columbia.edu blocked in mainland China right now?

As of the last test on 2026-04-06, cubmail.cc.columbia.edu is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://cubmail.cc.columbia.edu · JSON