Can you open ssd.jpl.nasa.gov from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2016first tested
2 mo agolast tested
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Other tested URLs on nasa.gov
Blocking varies across nasa.gov: 8 blocked vs 38 accessible among tested hosts.
http://nasa.govas of 2026Intermittenthttps://nasa.govas of 2026Intermittenthttp://www.nasa.govas of 2026Intermittenthttp://jpl.nasa.govas of 2026Not blockedhttp://pds.nasa.govNot blockedhttps://www.nasa.govNot blockedhttp://apod.nasa.govNot blockedhttps://api.nasa.govas of 2026Not blockedhttps://apod.nasa.govNot blockedhttps://ntrs.nasa.govas of 2026Not blockedhttps://eyes.nasa.govIntermittenthttps://blogs.nasa.govIntermittenthttp://www.jpl.nasa.govas of 2026Not blockedhttp://climate.nasa.govas of 2026Not blockedhttp://history.nasa.govas of 2026Intermittenthttps://images.nasa.govNot blockedhttp://mars.jpl.nasa.govas of 2026Not blockedhttp://dawn.jpl.nasa.govas of 2026Not blockedhttp://www2.jpl.nasa.govUnresolvablehttps://www.jpl.nasa.govas of 2026Not blockedhttps://ssd.jpl.nasa.govNot enough datahttps://climate.nasa.govIntermittenthttps://science.nasa.govNot blockedhttp://space.jpl.nasa.govas of 2024Blockedhttp://cneos.jpl.nasa.govas of 2025Not blockedhttps://naif.jpl.nasa.govas of 2026Blockedhttp://saturn.jpl.nasa.govas of 2026Not blockedhttp://spaceplace.nasa.govas of 2024Blockedhttps://www-a.jpl.nasa.govUnresolvablehttps://www-b.jpl.nasa.govUnresolvablehttps://earthdata.nasa.govas of 2025Not blockedhttp://www.nasa.gov/goddardIntermittenthttp://solarsystem.nasa.govas of 2026Not blockedhttp://spaceflight.nasa.govas of 2026Intermittenthttp://jpl-www.jpl.nasa.govUnresolvablehttps://saterninfo.nasa.govUnresolvablehttp://voyager.jpl.nasa.govas of 2024Blockedhttps://podaac.jpl.nasa.govas of 2026Blockedhttps://saturn.jpl.nasa.govas of 2026Not blockedhttp://robotics.jpl.nasa.govas of 2024Blockedhttp://marstrek.jpl.nasa.govUnresolvablehttp://voyager.gsfc.nasa.govas of 2026Not blockedhttps://solarsystem.nasa.govas of 2025Intermittenthttps://spaceflight.nasa.govas of 2026Not blockedhttp://www-space.arc.nasa.govUnresolvablehttp://vestatrek.jpl.nasa.govUnresolvablehttp://deepspace.jpl.nasa.govas of 2025Blockedhttps://skyview.gsfc.nasa.govas of 2026Not blockedhttp://urs.earthdata.nasa.govNot blockedhttp://ladsweb.nascom.nasa.govNot blockedhttp://spotthestation.nasa.govas of 2026Intermittenthttp://missionscience.nasa.govas of 2025Intermittenthttps://urs.earthdata.nasa.govNot blockedhttps://climate.nasa.gov/causesas of 2026Intermittenthttps://assets.science.nasa.govas of 2026Not blockedhttp://photojournal.jpl.nasa.govas of 2026Intermittenthttps://earthobservatory.nasa.govIntermittenthttps://photojournal.jpl.nasa.govIntermittenthttps://eyes.nasa.gov/dsn/dsn.htmlas of 2026Not blockedhttp://astroventure.arc.nasa.gov/DAPNot enough datahttp://www.nasa.gov/multimedia/nasatvas of 2026Intermittenthttps://www.earthobservatory.nasa.govIntermittenthttp://mars.nasa.gov/allaboutmars/factsas of 2026Not blockedhttp://saturn.jpl.nasa.gov/science/moonsNot blockedhttps://marstrek.jpl.nasa.gov/index.htmlUnresolvablehttps://apod.nasa.gov/apod/astropix.htmlas of 2026Not blockedhttps://search.earthdata.nasa.gov/searchas of 2026Not blockedhttps://scienceandtechnology.jpl.nasa.govas of 2026Blockedhttp://astroventure.arc.nasa.gov/DAP/DAP.htmlNot enough datahttp://www.nasa.gov/multimedia/nasatv/index.htmlas of 2026Not blockedhttps://www.nasa.gov/multimedia/nasatv/index.htmlas of 2026Not blockedhttp://www.jpl.nasa.gov/missions/details.php?id=5918as of 2026Not blockedhttp://nssdc.gsfc.nasa.gov/planetary/lunar/apollo.htmlas of 2026Not blockedhttps://plus.nasa.gov/scheduled-video/u-s-spacewalk-92Intermittenthttp://www.jpl.nasa.gov/spaceimages/details.php?id=PIA17172Not blockedhttps://science.nasa.gov/sun/sunspots/?utm_source=chatgpt.comNot blockedhttp://www.nasa.gov/multimedia/imagegallery/image_feature_2425.htmlIntermittenthttp://www.nasa.gov/mission_pages/shuttle/sts1/gagarin_anniversary.htmlas of 2026Intermittenthttp://pds.nasa.gov?cron_key=HW_OMiFD8hN_jLld01nMor9QRryzNeJqho7yuMCADkkNot blockedEach verdict covers the last 90 days of tests, as on that URL's own page.
Frequently asked questions
Is ssd.jpl.nasa.gov blocked in mainland China right now?
As of the last test on 2026-06-09, ssd.jpl.nasa.gov is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://ssd.jpl.nasa.gov · JSON