Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

100 hosts (first page) · 502 ms

HostCertsFirst seenLast seenDNS
riotgames.com 9 2025-11-25 2025-12-18 ok
*.riotgames.com 16 2025-11-25 2026-04-30 —
itse-portal-dev0.riotgames.com 1 2026-09-25 2026-09-25 nxdomain
las1-addc-01.riotgames.com 1 2026-06-25 2026-06-25 nxdomain
lax1-symph-01.riotgames.com 1 2026-06-04 2026-06-04 nxdomain
lax1hzuag001.riotgames.com 1 2025-09-04 2025-09-04 nxdomain
lax1hzcon001.riotgames.com 3 2025-08-22 2025-09-10 nxdomain
lax1vcenter001.riotgames.com 2 2025-10-17 2026-07-17 nxdomain
qaaprot01.riotgames.com 1 2026-01-02 2026-01-02 nxdomain
testracaprot01.riotgames.com 2 2026-01-02 2026-05-11 nxdomain
prdaprot01.riotgames.com 1 2026-01-02 2026-01-02 nxdomain
drprdaprot01.riotgames.com 1 2026-01-02 2026-01-02 nxdomain
devaprot01.riotgames.com 1 2026-01-02 2026-01-02 nxdomain
lgkpubtest1.riotgames.com 1 2026-06-01 2026-06-01 nxdomain
certtest1.riotgames.com 1 2026-05-21 2026-05-21 nxdomain
las1-addc-02.riotgames.com 1 2026-06-25 2026-06-25 nxdomain
charityvote22.riotgames.com 4 2026-04-14 2026-08-12 ok
certtest2.riotgames.com 1 2026-05-21 2026-05-21 nxdomain
las1-addc-03.riotgames.com 1 2026-06-25 2026-06-25 nxdomain
las1-addc-04.riotgames.com 1 2026-06-25 2026-06-25 nxdomain
p4.riotgames.com 1 2026-05-15 2026-05-15 nxdomain
*.p4.riotgames.com 1 2026-05-15 2026-05-15 —
rsaa.riotgames.com 2 2026-06-18 2026-06-18 nxdomain
emea.riotgames.com 3 2026-04-13 2026-08-17 nodata
*.emea.riotgames.com 3 2026-04-13 2026-08-17 —
dev.op.emea.riotgames.com 3 2026-07-07 2026-08-14 ok
*.dev.op.emea.riotgames.com 2 2026-07-07 2026-07-07 —
api.dev.op.emea.riotgames.com 1 2026-08-14 2026-08-14 ok
admin.dev.op.emea.riotgames.com 1 2026-08-14 2026-08-14 ok
mon.piltover.emea.riotgames.com 3 2026-04-22 2026-09-22 ok
*.mon.piltover.emea.riotgames.com 3 2026-04-22 2026-09-22 —
lps.gts.emea.riotgames.com 2 2025-08-09 2025-08-12 nxdomain
*.lps.gts.emea.riotgames.com 2 2025-08-09 2025-08-12 —
stg.lps.gts.emea.riotgames.com 1 2025-08-12 2025-08-12 nxdomain
*.stg.lps.gts.emea.riotgames.com 1 2025-08-12 2025-08-12 —
win.lps.gts.emea.riotgames.com 1 2025-09-16 2025-09-16 nxdomain
*.win.lps.gts.emea.riotgames.com 1 2025-09-16 2025-09-16 —
pp.lps.gts.emea.riotgames.com 1 2025-08-12 2025-08-12 nxdomain
*.pp.lps.gts.emea.riotgames.com 1 2025-08-12 2025-08-12 —
dev.lps.gts.emea.riotgames.com 2 2025-08-09 2025-08-09 nxdomain
*.dev.lps.gts.emea.riotgames.com 2 2025-08-09 2025-08-09 —
tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 nxdomain
*.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 —
stg.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 nxdomain
*.stg.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 —
win.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 nxdomain
*.win.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 —
pp.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 nxdomain
*.pp.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 —
dev.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 nxdomain
*.dev.tps.gts.emea.riotgames.com 1 2025-09-17 2025-09-17 —
smot.emea.riotgames.com 1 2026-02-01 2026-02-01 ok
dev.smot.emea.riotgames.com 1 2026-01-23 2026-01-23 ok
*.dev.smot.emea.riotgames.com 1 2026-01-23 2026-01-23 —
ritopedia.riotgames.com 1 2025-12-28 2025-12-28 ok
rama.riotgames.com 1 2026-01-05 2026-01-05 ok
preprod.rama.riotgames.com 1 2026-01-05 2026-01-05 ok
lolstage.rama.riotgames.com 1 2026-01-05 2026-01-05 nxdomain
staging.rama.riotgames.com 1 2026-01-05 2026-01-05 nxdomain
internal.rama.riotgames.com 1 2026-01-05 2026-01-05 ok
panorama.riotgames.com 1 2026-07-13 2026-07-13 nxdomain
valesportsna.riotgames.com 3 2026-05-06 2026-08-25 ok
*.valesportsna.riotgames.com 3 2026-05-06 2026-08-25 —
universityesportsna.riotgames.com 13 2025-07-31 2026-08-31 ok
*.universityesportsna.riotgames.com 1 2025-07-31 2025-07-31 —
logging.itinfra.riotgames.com 1 2025-08-14 2025-08-14 nxdomain
syslog.itinfra.riotgames.com 2 2025-08-14 2025-08-20 nxdomain
support-legendsofruneterra.riotgames.com 7 2026-04-10 2026-04-30 ok
data.riotgames.com 1 2026-02-11 2026-02-11 ok
circuitotormenta.riotgames.com 12 2025-07-31 2026-09-18 ok
*.circuitotormenta.riotgames.com 1 2025-07-31 2025-07-31 —
devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-unifiedcontroller-0.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-us-lax-0-display-0.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-us-lax-0-display-1.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-grafana.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-data.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
mobilelab.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-ulb.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-us-lax-0-proxy-1-mac.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-us-lax-0-proxy-4-mac.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-bridgeend.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-liveend.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-uiend.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-eventend.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-hubble.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-internal-api.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-api.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-mysql.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-appium.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-us-lax-0-proxy-2-lin.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-us-lax-0-proxy-3-lin.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-us-lax-0-proxy-5-lin.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-us-lax-0-proxy-6-lin.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-postgres.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-redis.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-relay.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
riot-csproxy.devicelab.riotgames.com 1 2025-09-25 2025-09-25 nxdomain
communitypridehub.riotgames.com 2 2026-09-25 2026-09-28 ok
main.communitypridehub.riotgames.com 1 2026-09-28 2026-09-28 ok

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/riotgames.com.

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/riotgames.com.