Is https://marstrek.jpl.nasa.gov/index.html blocked in mainland China?

Can you open https://marstrek.jpl.nasa.gov/index.html 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.

2017first tested

4 mo agolast tested

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Other tested URLs on nasa.gov

Mixed9 blocked24 disrupted54 accessible12 no verdictAll 99 tested URLs on nasa.gov →

Blocking varies across nasa.gov: 9 blocked vs 54 accessible among tested hosts.

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

Frequently asked questions

Is https://marstrek.jpl.nasa.gov/index.html blocked in mainland China right now?

As of the last test on 2026-04-29, https://marstrek.jpl.nasa.gov/index.html is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

https://marstrek.jpl.nasa.gov/index.html · JSON