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.

42 hosts · 311 ms

HostCertsFirst seenLast seenDNS
hoyoverse.com 1 2025-09-29 2025-09-29 ok
*.hoyoverse.com 1 2025-09-29 2025-09-29 —
infra.hoyoverse.com 1 2026-01-13 2026-01-13 nxdomain
*.infra.hoyoverse.com 1 2026-01-13 2026-01-13 —
*.inc-static.hoyoverse.com 1 2025-12-17 2025-12-17 —
office.hoyoverse.com 1 2026-05-20 2026-05-20 nodata
*.office.hoyoverse.com 1 2026-05-20 2026-05-20 —
akm-ru-alios-sg.office.hoyoverse.com 2 2026-06-09 2026-06-09 ok
akm-ru-aws-sg.office.hoyoverse.com 2 2026-06-09 2026-06-09 ok
akm-ru-aws-eu.office.hoyoverse.com 2 2026-06-09 2026-06-09 nxdomain
urie.hoyoverse.com 1 2026-07-02 2026-07-02 nodata
*.urie.hoyoverse.com 1 2026-07-02 2026-07-02 —
cloudgame.hoyoverse.com 1 2025-11-28 2025-11-28 nxdomain
*.cloudgame.hoyoverse.com 1 2025-11-28 2025-11-28 —
*.inc-pre.hoyoverse.com 2 2025-11-05 2026-10-06 —
sg-payment.cydf.hoyoverse.com 1 2025-12-22 2025-12-22 ok
www.sg-payment.cydf.hoyoverse.com 1 2025-12-22 2025-12-22 nxdomain
*.inc-testing.hoyoverse.com 2 2025-11-05 2026-10-06 —
*.uc-lpm.hoyoverse.com 1 2026-06-11 2026-06-11 —
titan.hoyoverse.com 1 2026-05-19 2026-05-19 nxdomain
*.titan.hoyoverse.com 1 2026-05-19 2026-05-19 —
emp.hoyoverse.com 1 2025-12-18 2025-12-18 nodata
*.emp.hoyoverse.com 1 2025-12-18 2025-12-18 —
fms-ups-ds.app.hoyoverse.com 1 2026-07-28 2026-07-28 nodata
fms-ups.app.hoyoverse.com 1 2026-07-28 2026-07-28 nodata
fms-ups-ds-uat.app.hoyoverse.com 1 2026-04-28 2026-04-28 nxdomain
fms-ups-uat.app.hoyoverse.com 2 2026-04-16 2026-04-20 nxdomain
www.fms-ups-uat.app.hoyoverse.com 1 2026-04-16 2026-04-16 nxdomain
ssr.hoyoverse.com 1 2026-02-02 2026-02-02 nodata
*.ssr.hoyoverse.com 1 2026-02-02 2026-02-02 —
*.eks.hoyoverse.com 3 2025-09-17 2026-08-18 —
fms-ups-uat.hoyoverse.com 1 2026-04-15 2026-04-15 nxdomain
www.fms-ups-uat.hoyoverse.com 1 2026-04-15 2026-04-15 nxdomain
account.hoyoverse.com 1 2025-09-29 2025-09-29 ok
*.account.hoyoverse.com 1 2025-09-29 2025-09-29 —
support.hoyoverse.com 5 2026-05-07 2026-09-05 ok
cf-test.hoyoverse.com 8 2026-05-03 2026-08-29 ok
*.uc-lpm-test.hoyoverse.com 1 2026-06-01 2026-06-01 —
agw.hoyoverse.com 1 2025-12-23 2025-12-23 nodata
*.agw.hoyoverse.com 1 2025-12-23 2025-12-23 —
tot.tw.hoyoverse.com 1 2025-12-03 2025-12-03 ok
infra-cfl-verify.hoyoverse.com 4 2026-10-01 2026-10-01 ok

Programmatic access, with DNS A records: API GET /v1/hosts/hoyoverse.com (API key for paging).

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/hoyoverse.com.