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.

33 hosts · 356 ms

HostCertsFirst seenLast seenDNS
elgato.com 13 2025-07-15 2026-10-04 ok
*.elgato.com 13 2025-07-15 2026-10-04 —
gristle-pwa.elgato.com 15 2026-06-10 2026-10-07 ok
staging-pwa.elgato.com 6 2026-07-07 2026-09-04 ok
bridget-pwa.elgato.com 4 2026-06-11 2026-08-09 ok
dev-pwa.elgato.com 2 2026-08-31 2026-08-31 —
poppy-pwa.elgato.com 6 2026-06-11 2026-08-09 ok
gigya.elgato.com 2 2025-07-20 2026-06-20 ok
c.elgato.com 5 2026-05-07 2026-09-02 ok
www.marketplace.elgato.com 1 2026-01-19 2026-01-19 ok
page.elgato.com 14 2026-06-06 2026-10-02 ok
returns-stage.elgato.com 8 2026-05-13 2026-09-09 ok
release.elgato.com 4 2026-07-01 2026-08-29 ok
m.elgato.com 5 2026-05-16 2026-09-13 ok
elgatodam.elgato.com 8 2026-05-02 2026-08-28 ok
login.elgato.com 1 2026-02-11 2026-02-11 ok
help.elgato.com 5 2026-05-22 2026-08-23 ok
webhook-register.elgato.com 4 2026-04-17 2026-08-15 ok
qr.elgato.com 16 2026-06-08 2026-10-05 ok
docs.elgato.com 8 2026-05-11 2026-09-06 ok
prod-guides.elgato.com 2 2026-02-25 2026-07-13 ok
dev-guides.elgato.com 5 2026-05-18 2026-09-14 ok
explorer-analysis.elgato.com 6 2026-05-29 2026-10-01 ok
returns.elgato.com 20 2026-05-27 2026-09-22 ok
partnerships.elgato.com 4 2026-04-16 2026-08-18 ok
orders.elgato.com 13 2026-04-12 2026-10-07 ok
assets.elgato.com 10 2026-04-22 2026-09-30 ok
checkout.elgato.com 13 2026-04-13 2026-09-26 ok
stage-checkout.elgato.com 11 2026-04-14 2026-09-25 ok
release-checkout.elgato.com 4 2026-04-13 2026-08-11 ok
dev-checkout.elgato.com 19 2026-04-12 2026-09-25 ok
returns-dev.elgato.com 8 2026-05-13 2026-09-09 ok
www.elgato.com 5 2026-07-29 2026-09-26 ok

Programmatic access, with DNS A records: API GET /v1/hosts/elgato.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/elgato.com.