TLS 1.3 TLS_AES_256_GCM_SHA384
Leaf Certificate
Subject steamcommunity.com
Issuer YR1
Valid From Jul 14, 2026
Valid Until Oct 12, 2026 (57 days)
Algorithm SHA256-RSA
Subject Alternative Names
aperturescience.comcommunity.steam-api.comcounter-strike.netdayofdefeat.comforums.l4d.comhalf-life.comhalf-life2.comhelp.steampowered.coml4d.comlearnwithportals.commidnight-riders.comorange.half-life2.coms.teamsource.l4d.comsourcefilmmaker.comsteam-chat.comsteam.tvsteamcommunity.comsteamdevdays.comsteamgames.comsteampowered.comsteamvr.comstore.counter-strike.netstore.steampowered.comstore.teamfortress.comstorefront.steampowered.comteamfortress.comthinkwithportals.comunderlords.comvalvesoftware.comwww.aperturescience.comwww.counter-strike.netwww.dayofdefeat.comwww.half-life.comwww.half-life2.comwww.l4d.comwww.learnwithportals.comwww.midnight-riders.comwww.sourcefilmmaker.comwww.steamcommunity.comwww.steamdevdays.comwww.steamgames.comwww.steampowered.comwww.steamvr.comwww.teamfortress.comwww.thinkwithportals.comwww.underlords.comwww.valvesoftware.com
Intermediate
Subject YR1
Issuer Root YR
Valid From Sep 3, 2025
Valid Until Sep 2, 2028 (748 days)
Algorithm SHA256-RSA
Intermediate
Subject Root YR
Issuer ISRG Root X1
Valid From May 13, 2026
Valid Until Sep 2, 2032 (2209 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (57 days remaining)
✓ Certificate covers 48 domains (SANs)
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