Can you open cm6-ams1.cm.steampowered.com:443 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.
2022first tested
28 d agolast tested
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Other tested URLs on steampowered.com
Blocking varies across steampowered.com: 32 blocked vs 19 accessible among tested hosts.
http://steampowered.comas of 2026Intermittenthttps://steampowered.comIntermittenthttp://steampowered.com/id/tyl0413as of 2026Intermittenthttp://www.steampowered.comIntermittenthttp://cdn.steampowered.comas of 2026Not blockedhttp://api.steampowered.comas of 2026Not blockedhttps://www.steampowered.comas of 2026Intermittenthttp://repo.steampowered.comNot blockedhttps://api.steampowered.comNot blockedhttp://help.steampowered.comas of 2026Not blockedhttp://link.steampowered.comNot blockedhttp://test.steampowered.comNot blockedhttp://store.steampowered.comBlockedhttp://media.steampowered.comas of 2025Not blockedhttps://help.steampowered.comNot blockedhttps://link.steampowered.comNot blockedhttp://login.steampowered.comas of 2026Intermittenthttps://store.steampowered.comIntermittenthttp://media2.steampowered.comUnresolvablehttp://forums.steampowered.comBlockedhttps://login.steampowered.comIntermittenthttp://partner.steampowered.comNot blockedhttp://support.steampowered.comNot blockedhttp://store.steampowered.com/*Blockedhttps://forums.steampowered.comIntermittenthttp://content8.steampowered.comUnresolvablehttps://store.steampowered.com/*as of 2026Intermittenthttps://partner.steampowered.comNot blockedhttps://support.steampowered.comNot blockedhttp://checkout.steampowered.comas of 2026Intermittenthttp://store.steampowered.com/appBlockedhttp://www.store.steampowered.comUnresolvablehttp://cdn.store.steampowered.comBlockedhttp://store.steampowered.com/%2Aas of 2026Blockedhttps://test.steampowered.com/204as of 2026Not blockedhttps://checkout.steampowered.comas of 2026Intermittenthttps://community.steampowered.comUnresolvablehttps://www.store.steampowered.comUnresolvablehttps://store.steampowered.com/%2Aas of 2026Not blockedhttp://store.steampowered.com/loginas of 2026Blockedhttp://store.steampowered.com?cc=gbas of 2026Blockedhttp://store.steampowered.com?cc=chas of 2026Blockedhttp://store.steampowered.com/statsBlockedhttp://store.steampowered.com?cc=cnBlockedhttps://store.steampowered.com/loginIntermittenthttps://store.steampowered.com/aboutas of 2026Not blockedhttps://store.steampowered.com?cc=DJas of 2026Intermittenthttps://translation.steampowered.comas of 2026Not blockedhttps://store.steampowered.com?cc=cnas of 2026Not blockedhttps://store.steampowered.com/gamesIntermittenthttp://store.steampowered.com/app/730Blockedhttp://www.steampowered.com/wrwqfafsfas of 2026Intermittenthttp://store.steampowered.com/curatorBlockedhttp://store.steampowered.com/exploreas of 2025Blockedhttps://store.steampowered.com/stats/as of 2026Intermittenthttp://store.steampowered.com?l=frenchas of 2026Blockedhttp://store.steampowered.com?l=italianBlockedhttp://store.steampowered.com/app/43110as of 2026Blockedhttp://store.steampowered.com/app/12110as of 2026Blockedhttp://client-download.steampowered.comUnresolvablehttp://store.steampowered.com?l=koreanaBlockedhttp://store.steampowered.com/zhonggongas of 2026Blockedhttp://store.steampowered.com/steamdeckas of 2026Blockedhttp://cm5-ams1.cm.steampowered.com:443Unresolvablehttp://store.steampowered.com?l=tchineseBlockedhttp://store.steampowered.com/app/218620Blockedhttp://store.steampowered.com/app/317030as of 2026Blockedhttp://store.steampowered.com/app/282070Blockedhttp://store.steampowered.com?l=schineseas of 2026Blockedhttp://store.steampowered.com/app/368500Intermittenthttp://store.steampowered.com/app/332310as of 2026Blockedhttp://store.steampowered.com/app/635070as of 2026Blockedhttp://store.steampowered.com/app/238460Blockedhttp://store.steampowered.com/app/319630as of 2026Blockedhttp://store.steampowered.com/app/333600as of 2026Blockedhttp://store.steampowered.com/app/393430Blockedhttps://store.steampowered.com?l=spanishIntermittenthttps://store.steampowered.com?l=englishIntermittenthttps://store.steampowered.com?l=italianas of 2026IntermittentEach verdict covers the last 90 days of tests, as on that URL's own page.
Frequently asked questions
Is cm6-ams1.cm.steampowered.com:443 blocked in mainland China right now?
As of the last test on 2026-07-02, cm6-ams1.cm.steampowered.com:443 is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.
http://cm6-ams1.cm.steampowered.com:443 · JSON